Final Exam quiz 1

Question 1 of 200

1

What is a characteristic of a fault tolerant network?

Select one of the following:

a network that protects confidential information from unauthorized access
a network that can expand quickly to support new users and applications without impacting the performance of the service delivered to existing users
a network that supports a mechanism for managing congestion and ensuring reliable delivery of content to all users
a network that recovers quickly when a failure occurs and depends on redundancy to limit the impact of a failure

Explanation

Question 2 of 200

1

Three bank employees are using the corporate network. The first employee uses a web browser to view a company web page in order to read some announcements. The second employee accesses the corporate database to perform some financial transactions. The third employee participates in an important live audio conference with other corporate managers in branch offices. If QoS is implemented on this network, what will be the priorities from highest to lowest of the different data types?

Select one of the following:

financial transactions, audio conference, web page
audio conference, financial transactions, web page
audio conference, web page, financial transactions
financial transactions, web page, audio conference

Explanation

Question 3 of 200

1

What is a benefit of using cloud computing in networking?

Select one of the following:

End users have the freedom to use personal tools to access information and communicate across a business network.
Network capabilities are extended without requiring investment in new infrastructure, personnel, or software.
Technology is integrated into every-day appliances allowing them to interconnect with other devices, making them more ‘smart’ or automated.
Home networking uses existing electrical wiring to connect devices to the network wherever there is an electrical outlet, saving the cost of installing data cables.

Explanation

Question 4 of 200

1

What is the function of the shell in an OS?

Select one of the following:

It interacts with the device hardware.
It interfaces between the users and the kernel.
It provides dedicated firewall services.
It provides the intrusion protection services for the device

Explanation

Question 5 of 200

1

Which connection provides a secure CLI session with encryption to a Cisco switch?

Select one of the following:

a console connection
an AUX connection
a Telnet connection
an SSH connection

Explanation

Question 6 of 200

1

A network technician is attempting to configure an interface by entering the following command: SanJose(config)# ip address 192.168.2.1 255.255.255.0. The command is rejected by the device. What is the reason for this?

Select one of the following:

The command is being entered from the wrong mode of operation.
The command syntax is wrong.
The subnet mask information is incorrect.
The interface is shutdown and must be enabled before the switch will accept the IP address.

Explanation

Question 7 of 200

1

An administrator uses the Ctrl-Shift-6 key combination on a switch after issuing the ping command. What is the purpose of using these keystrokes?

Select one of the following:

to restart the ping process
to interrupt the ping process
to exit to a different configuration mode
to allow the user to complete the command

Explanation

Question 8 of 200

1

Refer to the exhibit. A network administrator is configuring access control to switch SW1. If the administrator uses a console connection to connect to the switch, which password is needed to access user EXEC mode?

Select one of the following:

letmein
secretin
linevtyin
lineconin

Explanation

Question 9 of 200

1

On which switch interface would an administrator configure an IP address so that the switch can be managed remotely?

Select one of the following:

FastEthernet0/1
VLAN 1
vty 0
console 0

Explanation

Question 10 of 200

1

What protocol is responsible for controlling the size of segments and the rate at which segments are exchanged between a web client and a web server?

Select one of the following:

TCP
IP
HTTP
Ethernet

Explanation

Question 11 of 200

1

What is an advantage to using a protocol that is defined by an open standard?

Select one of the following:

A company can monopolize the market.
The protocol can only be run on equipment from a specific vendor.
An open standard protocol is not controlled or regulated by standards organizations.
It encourages competition and promotes choices.

Explanation

Question 12 of 200

1

What are two benefits of using a layered network model? (Choose two.)

Select one or more of the following:

It assists in protocol design.
It speeds up packet delivery.
It prevents designers from creating their own model.
It prevents technology in one layer from affecting other layers.
It ensures a device at one layer can function at the next higher layer.

Explanation

Question 13 of 200

1

Which two OSI model layers have the same functionality as two layers of the TCP/IP model? (Choose two.)

Select one or more of the following:

data link
network
physical
session
transport

Explanation

Question 14 of 200

1

Which name is assigned to the transport layer PDU?

Select one of the following:

bits
data
frame
packet
segment

Explanation

Question 15 of 200

1

A network engineer is measuring the transfer of bits across the company backbone for a mission critical database application. The engineer notices that the network throughput appears lower than the bandwidth expected. Which three factors could influence the differences in throughput? (Choose three.)

Select one or more of the following:

the amount of traffic that is currently crossing the network
the sophistication of the encapsulation method applied to the data
the type of traffic that is crossing the network
the latency that is created by the number of network devices that the data is crossing
the bandwidth of the WAN connection to the Internet
the reliability of the gigabit Ethernet infrastructure of the backbone

Explanation

Question 16 of 200

1

A network administrator is troubleshooting connectivity issues on a server. Using a tester, the administrator notices that the signals generated by the server NIC are distorted and not usable. In which layer of the OSI model is the error categorized?

Select one of the following:

presentation layer
network layer
physical layer
data link layer

Explanation

Question 17 of 200

1

Which type of UTP cable is used to connect a PC to a switch port?

Select one of the following:

console
rollover
crossover
straight-through

Explanation

Question 18 of 200

1

A network administrator is measuring the transfer of bits across the company backbone for a mission critical financial application. The administrator notices that the network throughput appears lower than the bandwidth expected. Which three factors could influence the differences in throughput? (Choose three.)

Select one or more of the following:

the amount of traffic that is currently crossing the network
the sophistication of the encapsulation method applied to the data
the type of traffic that is crossing the network
the latency that is created by the number of network devices that the data is crossing
the bandwidth of the WAN connection to the Internet
the reliability of the gigabit Ethernet infrastructure of the backbone

Explanation

Question 19 of 200

1

What is a characteristic of UTP cabling?

Select one of the following:

cancellation
cladding
immunity to electrical hazards
woven copper braid or metallic foil

Explanation

Question 20 of 200

1

What are two characteristics of fiber-optic cable? (Choose two.)

Select one or more of the following:

It is not affected by EMI or RFI.
Each pair of cables is wrapped in metallic foil.
It combines the technique of cancellation, shielding, and twisting to protect data.
It typically contains 4 pairs of fiber-optic wires.
It is more expensive than UTP cabling is.

Explanation

Question 21 of 200

1

What is a characteristic of the LLC sublayer?

Select one of the following:

It provides the logical addressing required that identifies the device.
It provides delimitation of data according to the physical signaling requirements of the medium.
It places information in the frame allowing multiple Layer 3 protocols to use the same network interface and media.
It defines software processes that provide services to the physical layer.

Explanation

Question 22 of 200

1

A network team is comparing physical WAN topologies for connecting remote sites to a headquarters building. Which topology provides high availability and connects some, but not all, remote sites?

Select one of the following:

mesh
partial mesh
hub and spoke
point-to-point

Explanation

Question 23 of 200

1

What method is used to manage contention-based access on a wireless network?

Select one of the following:

CSMA/CD
priority ordering
CSMA/CA
token passing

Explanation

Question 24 of 200

1

What are the three primary functions provided by Layer 2 data encapsulation? (Choose three.)

Select one or more of the following:

error correction through a collision detection method
session control using port numbers
data link layer addressing
placement and removal of frames from the media
detection of errors through CRC calculations
delimiting groups of bits into frames
conversion of bits into data signals

Explanation

Question 25 of 200

1

What will a host on an Ethernet network do if it receives a frame with a destination MAC address that does not match its own MAC address?

Select one of the following:

It will discard the frame.
It will forward the frame to the next host.
It will remove the frame from the media.
It will strip off the data-link frame to check the destination IP address.

Explanation

Question 26 of 200

1

What are two examples of the cut-through switching method? (Choose two.)

Select one or more of the following:

store-and-forward switching
fast-forward switching
CRC switching
fragment-free switching
QOS switching

Explanation

Question 27 of 200

1

What are two actions performed by a Cisco switch? (Choose two.)

Select one or more of the following:

building a routing table that is based on the first IP address in the frame header
using the source MAC addresses of frames to build and maintain a MAC address table
forwarding frames with unknown destination IP addresses to the default gateway
utilizing the MAC address table to forward frames via the destination MAC address
examining the destination MAC address to add new entries to the MAC address table

Explanation

Question 28 of 200

1

Which frame forwarding method receives the entire frame and performs a CRC check to detect errors before forwarding the frame?

Select one of the following:

cut-through switching
store-and-forward switching
fragment-free switching
fast-forward switching

Explanation

Question 29 of 200

1

Refer to the exhibit. If host A sends an IP packet to host B, what will the destination address be in the frame when it leaves host A?

Select one of the following:

DD:DD:DD:DD:DD:DD
172.168.10.99
CC:CC:CC:CC:CC:CC
172.168.10.65
BB:BB:BB:BB:BB:BB
AA:AA:AA:AA:AA:AA

Explanation

Question 30 of 200

1

What addresses are mapped by ARP?

Select one of the following:

destination MAC address to a destination IPv4 address
destination IPv4 address to the source MAC address
destination IPv4 address to the destination host name
destination MAC address to the source IPv4 address

Explanation

Question 31 of 200

1

What information is added during encapsulation at OSI Layer 3?

Select one of the following:

source and destination MAC
source and destination application protocol
ource and destination port number
source and destination IP address

Explanation

Question 32 of 200

1

What are two services provided by the OSI network layer? (Choose two.)

Select one or more of the following:

performing error detection
routing packets toward the destination
encapsulating PDUs from the transport layer
placement of frames on the media
collision detection

Explanation

Question 33 of 200

1

Refer to the exhibit. The network administrator for a small advertising company has chosen to use the 192.168.5.96/27 network for internal LAN addressing. As shown in the exhibit, a static IP address is assigned to the company web server. However, the web server cannot access the Internet. The administrator verifies that local workstations with IP addresses that are assigned by a DHCP server can access the Internet, and the web server is able to ping local workstations. Which component is incorrectly configured?

Select one of the following:

subnet mask
DNS address
host IP address
default gateway address

Explanation

Question 34 of 200

1

Why does a Layer 3 device perform the ANDing process on a destination IP address and subnet mask?

Select one of the following:

to identify the broadcast address of the destination network
to identify the host address of the destination host
to identify faulty frames
to identify the network address of the destination network

Explanation

Question 35 of 200

1

What are two functions of NVRAM? (Choose two.)

Select one or more of the following:

to store the routing table
to retain contents when power is removed
to store the startup configuration file
to contain the running configuration file
to store the ARP table

Explanation

Question 36 of 200

1

Refer to the exhibit. What will be the result of entering this configuration the next time a network administrator connects a console cable to the router and no additional commands have been entered?

Select one of the following:

The administrator will be required to enter Cisco123.
The administrator will be required to enter Cisco234.
The administrator will be required to enter Cisco789.
The administrator will be presented with the R1> prompt.

Explanation

Question 37 of 200

1

What is the dotted decimal representation of the IPv4 address 11001011.00000000.01110001.11010011?

Select one of the following:

192.0.2.199
198.51.100.201
203.0.113.211
209.165.201.223

Explanation

Question 38 of 200

1

What are three characteristics of multicast transmission? (Choose three.)

Select one or more of the following:

The source address of a multicast transmission is in the range of 224.0.0.0 to 224.0.0.255.
A single packet can be sent to a group of hosts.
Multicast transmission can be used by routers to exchange routing information.
Routers will not forward multicast addresses in the range of 224.0.0.0 to 224.0.0.255.
Computers use multicast transmission to request IPv4 addresses.
Multicast messages map lower layer addresses to upper layer addresses.

Explanation

Question 39 of 200

1

What are the three ranges of IP addresses that are reserved for internal private use? (Choose three.)

Select one or more of the following:

10.0.0.0/8
64.100.0.0/14
127.16.0.0/12
172.16.0.0/12
192.31.7.0/24
192.168.0.0/16

Explanation

Question 40 of 200

1

What purpose does NAT64 serve in IPv6?

Select one of the following:

It converts IPv6 packets into IPv4 packets.
It translates private IPv6 addresses into public IPv6 addresses.
It enables companies to use IPv6 unique local addresses in the network.
It converts regular IPv6 addresses into 64-bit addresses that can be used on the Internet.
It converts the 48-bit MAC address into a 64-bit host address that can be used for automatic host addressing.

Explanation

Question 41 of 200

1

What is the most compressed representation of the IPv6 address 2001:0000:0000:abcd:0000:0000:0000:0001?

Select one of the following:

2001:0:abcd::1
2001:0:0:abcd::1
2001::abcd::1
2001:0000:abcd::1
2001::abcd:0:1

Explanation

Question 42 of 200

1

Which range of link-local addresses can be assigned to an IPv6-enabled interface?

Select one of the following:

FEC0::/10
FDEE::/7
FE80::/10
FF00::/8

Explanation

Question 43 of 200

1

Which three addresses are valid public addresses? (Choose three.)

Select one or more of the following:

198.133.219.17
192.168.1.245
10.15.250.5
128.107.12.117
192.15.301.240
64.104.78.227

Explanation

Question 44 of 200

1

Refer to the exhibit. On the basis of the output, which two statements about network connectivity are correct? (Choose two.)

Select one or more of the following:

There is connectivity between this device and the device at 192.168.100.1.
The connectivity between these two hosts allows for videoconferencing calls.
There are 4 hops b**etween this device and the device at 192.168.100.1.
The average transmission time between the two hosts is 2 milliseconds.
This host does not have a default gateway configured.

Explanation

Question 45 of 200

1

What type of IPv6 address is FE80::1?

Select one of the following:

loopback
link-local
multicast
global unicast

Explanation

Question 46 of 200

1

How many valid host addresses are available on an IPv4 subnet that is configured with a /26 mask?

Select one of the following:

254
190
192
62
64

Explanation

Question 47 of 200

1

A site administrator has been told that a particular network at the site must accommodate 126 hosts. Which subnet mask would be used that contains the required number of host bits?

Select one of the following:

255.255.255.0
255.255.255.128
255.255.255.224
255.255.255.240

Explanation

Question 48 of 200

1

A network administrator wants to have the same subnet mask for three subnetworks at a small site. The site has the following networks and numbers of devices:
Subnetwork A: IP phones – 10 addresses
Subnetwork B: PCs – 8 addresses
Subnetwork C: Printers – 2 addresses
What single subnet mask would be appropriate to use for the three subnetworks?

Select one of the following:

255.255.255.0
255.255.255.240
255.255.255.248
255.255.255.252

Explanation

Question 49 of 200

1

How many hosts are addressable on a network that has a mask of 255.255.255.248?

Select one of the following:

2
6
8
14
16
254

Explanation

Question 50 of 200

1

Which subnet would include the address 192.168.1.96 as a usable host address?

Select one of the following:

192.168.1.64/26
192.168.1.32/27
192.168.1.32/28
192.168.1.64/29

Explanation

Question 51 of 200

1

What subnet mask is needed if an IPv4 network has 40 devices that need IP addresses and address space is not to be wasted?

Select one of the following:

255.255.255.0
255.255.255.128
255.255.255.192
255.255.255.224
255.255.255.240

Explanation

Question 52 of 200

1

What are two characteristics shared by TCP and UDP? (Choose two.)

Select one or more of the following:

default window size
connectionless communication
port numbering
3-way handshake
ability to to carry digitized voice
use of checksum

Explanation

Question 53 of 200

1

Why are port numbers included in the TCP header of a segment?

Select one of the following:

to indicate the correct router interface that should be used to forward a segment
to identify which switch ports should receive or forward the segment
to determine which Layer 3 protocol should be used to encapsulate the data
to enable a receiving host to forward the data to the appropriate application
to allow the receiving host to assemble the packet in the proper order

Explanation

Question 54 of 200

1

Refer to the exhibit. Consider the IP address of 192.168.10.0/24 that has been assigned to a high school building. The largest network in this building has 100 devices. If 192.168.10.0 is the network number for the largest network, what would be the network number for the next largest network, which has 40 devices?

Select one of the following:

192.168.10.0
192.168.10.128
192.168.10.192
192.168.10.224
192.168.10.240

Explanation

Question 55 of 200

1

Which statement is true about variable-length subnet masking?

Select one of the following:

Each subnet is the same size.
The size of each subnet may be different, depending on requirements.
Subnets may only be subnetted one additional time.
Bits are returned, rather than borrowed, to create additional subnets.

Explanation

Question 56 of 200

1

In what two situations would UDP be the preferred transport protocol over TCP? (Choose two.)

Select one or more of the following:

when applications need to guarantee that a packet arrives intact, in sequence, and unduplicated
when a faster delivery mechanism is needed
when delivery overhead is not an issue
when applications do not need to guarantee delivery of the data
when destination port numbers are dynamic

Explanation

Question 57 of 200

1

What important information is added to the TCP/IP transport layer header to ensure communication and connectivity with a remote network device?

Select one of the following:

timing and synchronization
destination and source port numbers
destination and source physical addresses
destination and source logical network addresses

Explanation

Question 58 of 200

1

What is the TCP mechanism used in congestion avoidance?

Select one of the following:

three-way handshake
socket pair
two-way handshake
sliding window

Explanation

Question 59 of 200

1

Which scenario describes a function provided by the transport layer?

Select one of the following:

A student is using a classroom VoIP phone to call home. The unique identifier burned into the phone is a transport layer address used to contact another network device on the same network.
A student is playing a short web-based movie with sound. The movie and sound are encoded within the transport layer header.
A student has two web browser windows open in order to access two web sites. The transport layer ensures the correct web page is delivered to the correct browser window.
A corporate worker is accessing a web server located on a corporate network. The transport layer formats the screen so the web page appears properly no matter what device is being used to view the web site.

Explanation

Question 60 of 200

1

A user opens three browsers on the same PC to access www.cisco.com to search for certification course information. The Cisco web server sends a datagram as a reply to the request from one of the web browsers. Which information is used by the TCP/IP protocol stack in the PC to identify which of the three web browsers should receive the reply?

Select one of the following:

the destination IP address
the destination port number
the source IP address
the source port number

Explanation

Question 61 of 200

1

What are two ways that TCP uses the sequence numbers in a segment? (Choose two.)

Select one or more of the following:

to identify missing segments at the destination
to reassemble the segments at the remote location
to specify the order in which the segments travel from source to destination
to limit the number of segments that can be sent out of an interface at one time
to determine if the packet changed during transit

Explanation

Question 62 of 200

1

Which two tasks are functions of the presentation layer? (Choose two.)

Select one or more of the following:

compression
addressing
encryption
session control
authentication

Explanation

Question 63 of 200

1

Which three statements characterize UDP? (Choose three.)

Select one or more of the following:

UDP provides basic connectionless transport layer functions.
UDP provides connection-oriented, fast transport of data at Layer 3.
UDP relies on application layer protocols for error detection.
UDP is a low overhead protocol that does not provide sequencing or flow control mechanisms.
UDP relies on IP for error detection and recovery.
UDP provides sophisticated flow control mechanisms.

Explanation

Question 64 of 200

1

What is a key characteristic of the peer-to-peer networking model?

Select one of the following:

wireless networking
social networking without the Internet
network printing using a print server
resource sharing without a dedicated server

Explanation

Question 65 of 200

1

A technician can ping the IP address of the web server of a remote company but cannot successfully ping the URL address of the same web server. Which software utility can the technician use to diagnose the problem?

Select one of the following:

tracert
ipconfig
netstat
nslookup

Explanation

Question 66 of 200

1

Which domain name would be an example of a top-level domain?

Select one of the following:

www.cisco.com
cisco.com
.com
root.cisco.com

Explanation

Question 67 of 200

1

A PC obtains its IP address from a DHCP server. If the PC is taken off the network for repair, what happens to the IP address configuration?

Select one of the following:

The configuration is permanent and nothing changes.
The address lease is automatically renewed until the PC is returned.
The address is returned to the pool for reuse when the lease expires.
The configuration is held by the server to be reissued when the PC is returned.

Explanation

Question 68 of 200

1

When planning for network growth, where in the network should packet captures take place to assess network traffic?

Select one of the following:

on as many different network segments as possible
only at the edge of the network
between hosts and the default gateway
only on the busiest network segment

Explanation

Question 69 of 200

1

A wireless host needs to request an IP address. What protocol would be used to process the request?

Select one of the following:

FTP
HTTP
DHCP
ICMP
SNMP

Explanation

Question 70 of 200

1

Which example of malicious code would be classified as a Trojan horse?

Select one of the following:

malware that was written to look like a video game
malware that requires manual user intervention to spread between systems
malware that attaches itself to a legitimate program and spreads to other programs when launched
malware that can automatically spread from one system to another by exploiting a vulnerability in the target

Explanation

Question 71 of 200

1

When applied to a router, which command would help mitigate brute-force password attacks against the router?

Select one of the following:

exec-timeout 30
service password-encryption
banner motd $Max failed logins = 5$
login block-for 60 attempts 5 within 60

Explanation

Question 72 of 200

1

A network technician suspects that a particular network connection between two Cisco switches is having a duplex mismatch. Which command would the technician use to see the Layer 1 and Layer 2 details of a switch port?

Select one of the following:

show mac-address-table
show ip interface brief
show interfaces
show running-config

Explanation

Question 73 of 200

1

Where are Cisco IOS debug output messages sent by default?

Select one of the following:

Syslog server
console line
memory buffers
vty lines

Explanation

Question 74 of 200

1

Refer to the exhibit. An administrator is testing connectivity to a remote device with the IP address 10.1.1.1. What does the output of this command indicate?

Select one of the following:

Connectivity to the remote device was successful.
A router along the path did not have a route to the destination.
A ping packet is being blocked by a security device along the path.
The connection timed out while waiting for a reply from the remote device.

Explanation

Question 75 of 200

1

A user is unable to reach the web site when typing http://www.cisco.com in a web browser, but can reach the same site by typing http://72.163.4.161. What is the issue?

Select one of the following:

default gateway
DHCP
TCP/IP protocol stack
DNS

Explanation

Question 76 of 200

1

A company is expanding its business to other countries. All branch offices must remain connected to corporate headquarters at all times. Which network technology is required to support this requirement?

Select one of the following:

LAN
MAN
WAN
WLAN

Explanation

Question 77 of 200

1

A home user is looking for an ISP connection that provides high speed digital transmission over regular phone lines. What ISP connection type should be used?

Select one of the following:

DSL
dial-up
satellite
cell modem
cable modem

Explanation

Question 78 of 200

1

How does quality of service help a network support a wide range of applications and services?

Select one of the following:

by limiting the impact of a network failure
by allowing quick recovery from network failures
by providing mechanisms to manage congested network traffic
by providing the ability for the network to grow to accommodate new users

Explanation

Question 79 of 200

1

What source IP address does a router use by default when the traceroute command is issued?

Select one of the following:

the highest configured IP address on the router
the lowest configured IP address on the router
a loopback IP address
the IP address of the outbound interface

Explanation

Question 80 of 200

1

After making configuration changes on a Cisco switch, a network administrator issues a copy running-config startup-config command. What is the result of issuing this command?

Select one of the following:

The new configuration will be stored in flash memory.
The new configuration will be loaded if the switch is restarted.
The current IOS file will be replaced with the newly configured file.
The configuration changes will be removed and the original configuration will be restored.

Explanation

Question 81 of 200

1

Refer to the exhibit. A network administrator is configuring access control to switch SW1. If the administrator has already logged into a Telnet session on the switch, which password is needed to access privileged EXEC mode?

Select one of the following:

letmein
secretin
lineconin
linevtyin

Explanation

Question 82 of 200

1

Which connection provides a secure CLI session with encryption to a Cisco network device?

Select one of the following:

a console connection
an AUX connection
a Telnet connection
an SSH connection

Explanation

Question 83 of 200

1

What function does pressing the Tab key have when entering a command in IOS?

Select one of the following:

It aborts the current command and returns to configuration mode.
It exits configuration mode and returns to user EXEC mode.
It moves the cursor to the beginning of the next line.
It completes the remainder of a partially typed word in a command.

Explanation

Question 84 of 200

1

What layer is responsible for routing messages through an internetwork in the TCP/IP model?

Select one of the following:

internet
transport
network access
session

Explanation

Question 85 of 200

1

Which statement accurately describes a TCP/IP encapsulation process when a PC is sending data to the network?

Select one of the following:

Data is sent from the internet layer to the network access layer.
Packets are sent from the network access layer to the transport layer.
Segments are sent from the transport layer to the internet layer.
Frames are sent from the network access layer to the internet layer.

Explanation

Question 86 of 200

1

What unique address is embedded in an Ethernet NIC and used for communication on an Ethernet network?

Select one of the following:

host address
IP address
MAC address
network address
k layer

Explanation

Question 87 of 200

1

Which procedure is used to reduce the effect of crosstalk in copper cables?

Select one of the following:

requiring proper grounding connections
twisting opposing circuit wire pairs together
wrapping the bundle of wires with metallic shielding
designing a cable infrastructure to avoid crosstalk interference
avoiding sharp bends during installation

Explanation

Question 88 of 200

1

During the encapsulation process, what occurs at the data link layer for a PC connected to an Ethernet network?

Select one of the following:

An IP address is added.
The logical address is added.
The physical address is added.
The process port number is added.

Explanation

Question 89 of 200

1

What are two characteristics of Ethernet MAC addresses? (Choose two.)

Select one or more of the following:

They are globally unique.
They are routable on the Internet.
They are expressed as 12 hexadecimal digits.
MAC addresses use a flexible hierarchical structure.
MAC addresses must be unique for both Ethernet and serial interfaces on a device.

Explanation

Question 90 of 200

1

If a device receives an Ethernet frame of 60 bytes, what will it do?

Select one of the following:

drop the frame
process the frame as it is
send an error message to the sending device
add random data bytes to make it 64 bytes long and then forward it

Explanation

Question 91 of 200

1

Under which two circumstances will a switch flood a frame out of every port except the port that the frame was received on? (Choose two.)

Select one or more of the following:

The frame has the broadcast address as the destination address.
The destination address is unknown to the switch.
The source address in the frame header is the broadcast address.
The source address in the frame is a multicast address.
The destination address in the frame is a known unicast address.

Explanation

Question 92 of 200

1

Which switching method has the lowest level of latency?

Select one of the following:

cut-through
store-and-forward
fragment-free
fast-forward

Explanation

Question 93 of 200

1

Which two commands can be used on a Windows host to display the routing table? (Choose two.)

Select one or more of the following:

netstat -s
route print
show ip route
netstat -r
tracert

Explanation

Question 94 of 200

1

Which two functions are primary functions of a router? (Choose two.)

Select one or more of the following:

packet forwarding
microsegmentation
domain name resolution
path selection
flow control

Explanation

Question 95 of 200

1

What is the binary representation of 0xCA?

Select one of the following:

10111010
11010101
11001010
11011010

Explanation

Question 96 of 200

1

At a minimum, which address is required on IPv6-enabled interfaces?

Select one of the following:

link-local
unique local
site local
global unicast

Explanation

Question 97 of 200

1

Which service provides dynamic global IPv6 addressing to end devices without using a server that keeps a record of available IPv6 addresses?

Select one of the following:

stateful DHCPv6
SLAAC
static IPv6 addressing
stateless DHCPv6

Explanation

Question 98 of 200

1

What is the purpose of the command ping ::1?

Select one of the following:

It tests the internal configuration of an IPv6 host.
It tests the broadcast capability of all hosts on the subnet.
It tests the multicast connectivity to all hosts on the subnet.
It tests the reachability of the default gateway for the network.

Explanation

Question 99 of 200

1

How many usable IP addresses are available on the 192.168.1.0/27 network?

Select one of the following:

256
254
62
30
16
32

Explanation

Question 100 of 200

1

What is the process of dividing a data stream into smaller pieces before transmission?

Select one of the following:

segmentation
encapsulation
encoding
flow control

Explanation

Question 101 of 200

1

When IPv4 addressing is manually configured on a web server, which property of the IPv4 configuration identifies the network and host portion for an IPv4 address?

Select one of the following:

DNS server address
subnet mask
default gateway
DHCP server address

Explanation

Question 102 of 200

1

Which two roles can a computer assume in a peer-to-peer network where a file is being shared between two computers? (Choose two.)

Select one or more of the following:

client
master
server
slave
transient

Explanation

Question 103 of 200

1

Which two protocols operate at the highest layer of the TCP/IP protocol stack? (Choose two.)

Select one or more of the following:

DNS
Ethernet
IP
POP
TCP
UDP

Explanation

Question 104 of 200

1

What is one difference between the client-server and peer-to-peer network models?

Select one of the following:

Only in the client-server model can file transfers occur.
Every device in a peer-to-peer network can function as a client or a server.
A peer-to-peer network transfers data faster than a transfer using a client-server network.
A data transfer that uses a device serving in a client role requires that a dedicated server be present.

Explanation

Question 105 of 200

1

What is the function of the HTTP GET message?

Select one of the following:

to request an HTML page from a web server
to send error information from a web server to a web client
to upload content to a web server from a web client
to retrieve client email from an email server using TCP port 110

Explanation

Question 106 of 200

1

Which networking model is being used when an author uploads one chapter document to a file server of a book publisher?

Select one of the following:

peer-to-peer
master-slave
client/server
point-to-point

Explanation

Question 107 of 200

1

What network service resolves the URL entered on a PC to the IP address of the destination server?

Select one of the following:

DNS
DHCP
FTP
SNMP

Explanation

Question 108 of 200

1

A network engineer is analyzing reports from a recently performed network baseline. Which situation would depict a possible latency issue?

Select one of the following:

a change in the bandwidth according to the show interfaces output
a next-hop timeout from a traceroute
an increase in host-to-host ping response times
a change in the amount of RAM according to the show version output

Explanation

Question 109 of 200

1

Which firewall feature is used to ensure that packets coming into a network are legitimate responses to requests initiated from internal hosts?

Select one of the following:

stateful packet inspection
URL filtering
application filtering
packet filtering

Explanation

Question 110 of 200

1

What is one indication that a Windows computer did not receive an IPv4 address from a DHCP server?

Select one of the following:

The computer cannot ping 127.0.0.1.
Windows displays a DHCP timeout message.
The computer receives an IP address that starts with 169.254
The computer cannot ping other devices on the same network with IP addresses in the 169.254.0.0/16 range.

Explanation

Question 111 of 200

1

Which command can an administrator issue on a Cisco router to send debug messages to the vty lines?

Select one of the following:

terminal monitor
logging console
logging buffered
logging synchronous

Explanation

Question 112 of 200

1

Fill the blank space to complete the text.

During data communications, a host may need to send a single message to a specific group of destination hosts simultaneously. This message is in the form of a message.

Explanation

Question 113 of 200

1

A medium-sized business is researching available options for connecting to the Internet. The company is looking for a high speed option with dedicated, symmetric access. Which connection type should the company choose?

Select one of the following:

DSL
dialup
satellite
leased line
cable modem

Explanation

Question 114 of 200

1

What is the purpose of having a converged network?

Select one of the following:

to provide high speed connectivity to all end devices
to make sure that all types of data packets will be treated equally
to achieve fault tolerance and high availability of data network infrastructure devices
to reduce the cost of deploying and maintaining the communication infrastructure

Explanation

Question 115 of 200

1

What characteristic of a network enables it to quickly grow to support new users and applications without impacting the performance of the service being delivered to existing users?

Select one of the following:

reliability
scalability
quality of service
accessibility

Explanation

Question 116 of 200

1

After several configuration changes are made to a router, the copy running-configuration startup-configuration command is issued. Where will the changes be stored?

Select one of the following:

flash
ROM
NVRAM
RAM
the configuration register
a TFTP server

Explanation

Question 117 of 200

1

Refer to the exhibit. From global configuration mode, an administrator is attempting to create a message-of-the-day banner by using the command banner motd V Authorized access only! Violators will be prosecuted! V When users log in using Telnet, the banner does not appear correctly. What is the problem?

Select one of the following:

The banner message is too long.
The delimiting character appears in the banner message.
The symbol “!” signals the end of a banner message.
Message-of-the-day banners will only appear when a user logs in through the console port.

Explanation

Question 118 of 200

1

What are three characteristics of an SVI? (Choose three.)

Select one or more of the following:

It is designed as a security protocol to protect switch ports.
It is not associated with any physical interface on a switch.
It is a special interface that allows connectivity by different types of media.
It is required to allow connectivity by any device at any location.
It provides a means to remotely manage a switch.
It is associated with VLAN1 by default.

Explanation

Question 119 of 200

1

A technician configures a switch with these commands:SwitchA(config)# interface vlan 1
SwitchA(config-if)# ip address 192.168.1.1 255.255.255.0
SwitchA(config-if)# no shutdownWhat is the technician configuring?

Select one of the following:

Telnet access
SVI
password encryption
physical switchport access

Explanation

Question 120 of 200

1

In computer communication, what is the purpose of message encoding?

Select one of the following:

to convert information to the appropriate form for transmission
to interpret information
to break large messages into smaller frames
to negotiate correct timing for successful communication

Explanation

Question 121 of 200

1

What is a characteristic of multicast messages?

Select one of the following:

They are sent to a select group of hosts.
They must be acknowledged.
They are sent to a single destination.
They are sent to all hosts on a network.

Explanation

Question 122 of 200

1

A large corporation has modified its network to allow users to access network resources from their personal laptops and smart phones. Which networking trend does this describe?

Select one of the following:

bring your own device
video conferencing
online collaboration
cloud computing

Explanation

Question 123 of 200

1

A dedicated server is not needed when implementing a peer-to-peer network.

Select one of the following:

True
False

Explanation

Question 124 of 200

1

Which term refers to a network that provides secure access to the corporate offices by suppliers, customers and collaborators?

Select one of the following:

Internet
intranet
extranet
extendednet

Explanation

Question 125 of 200

1

What subnet mask is required to support 512 subnets on networks 172.28.0.0/16?

Select one of the following:

255.255.240.0
255.255.255.224
255.255.255.240
255.255.255.128
255.255.252.0

Explanation

Question 126 of 200

1

A DHCP server is used to IP addresses dynamically to the hosts on a network. The address pool is configured with 10.29.244.0/25. There are 19 printers on this network that need to use reserve static IP addresses from the pool. How many IP address in the pool are left to be assign to other hosts?

Select one of the following:

210
60
109
107
146

Explanation

Question 127 of 200

1

What is a function of the data link layer?

Select one of the following:

provides the formatting of data
provides for the exchange of data over a common local media
provides end-to-end delivery of data between hosts
provides delivery of data between two applications

Explanation

Question 128 of 200

1

Which communication tool allows real-time collaboration?

Select one of the following:

wiki
e-mail
weblog
instant messaging

Explanation

Question 129 of 200

1

A host is accessing a Web server on a remote network. Which three functions are performed by intermediary network devices during this conversation? (Choose three.)

Select one or more of the following:

regenerating data signals
acting as a client or a server
providing a channel over which messages travel
applying security settings to control the flow of data
notifying other devices when errors occur
serving as the source or destination of the messages

Explanation

Question 130 of 200

1

Refer to the exhibit. From which location did this router load the IOS?

Select one of the following:

flash memory
NVRAM
RAM
ROM
a TFTP server

Explanation

Question 131 of 200

1

Refer to the exhibit. Which action will be successful?

Select one of the following:

PC1 can send a ping to 192.168.1.1.
PC1 can send a ping to 192.168.1.254.
PC2 can send a ping to 192.168.1.1.
PC2 can send a ping to 192.168.1.254

Explanation

Question 132 of 200

1

Fill the blank space to complete the text.

Port numbers ranging from 0 to 1023 are considered to be ports.

Explanation

Question 133 of 200

1

Fill the blank space to complete the text.

ISOC, IANA, EIA, and IEEE represent organizations which help to promote and maintain an open Internet.

Explanation

Question 134 of 200

1

Refer to the exhibit. An administrator is trying to configure the switch but receives the error message that is displayed in the exhibit. What is the problem?

Select one of the following:

The entire command, configure terminal, must be used.
The administrator is already in global configuration mode.
The administrator must first enter privileged EXEC mode before issuing the command.
The administrator must connect via the console port to access global configuration mode.

Explanation

Question 135 of 200

1

A company is expanding its business to other countries. All branch offices must remain connected to corporate headquarters at all times. Which network technology is required to support this requirement?

Select one of the following:

LAN
MAN
WAN
WLAN

Explanation

Question 136 of 200

1

A network administrator is upgrading a small business network to give high priority to real-time applications traffic. What two types of network services is the network administrator trying to accommodate? (Choose two.)

Select one or more of the following:

SNMP
instant messaging
voice
FTP
video

Explanation

Question 137 of 200

1

Which IPv4 address can be pinged to test the internal TCP/IP operation of a host?

Select one of the following:

0.0.0.0
0.0.0.1
127.0.0.1
192.168.1.1
255.255.255.255

Explanation

Question 138 of 200

1

What three application layer protocols are part of the TCP/IP protocol suite? (Choose three.)

Select one or more of the following:

DHCP
DNS
FTP
NAT
PPP

Explanation

Question 139 of 200

1

Which two protocols function at the internet layer? (Choose two)

Select one or more of the following:

ARP
BOOTP
ICMP
IP
PPP

Explanation

Question 140 of 200

1

Which publicly available resources describe protocols, processes, and technologies for the Internet but do not give implementation details?

Select one of the following:

Request for Comments
IRTF research papers
protocol models
IEEE standards

Explanation

Question 141 of 200

1

Which address on a PC does not change, even if the PC is moved to a different network?

Select one of the following:

IP address
default gateway address
MAC address
logical address

Explanation

Question 142 of 200

1

What is the protocol that is used to discover a physical address from a known logical address and what message type does it use?

Select one of the following:

ARP, multicast
DNS, unicast
DNS, broadcast
ARP, broadcast
PING, multicast
PING, broadcast

Explanation

Question 143 of 200

1

What will happen if the default gateway address is incorrectly configured on a host?

Select one of the following:

The host cannot communicate with other hosts in the local network.
The switch will not forward packets initiated by the host.
The host will have to use ARP to determine the correct address of the default gateway.
The host cannot communicate with hosts in other networks.
A ping from the host to 127.0.0.1 would not be successful.

Explanation

Question 144 of 200

1

What is an important function of the physical layer of the OSI model?

Select one of the following:

It accepts frames from the physical media.
It encapsulates upper layer data into frames.
It defines the media access method performed by the hardware interface.
It encodes frames into electrical, optical, or radio wave signals.

Explanation

Question 145 of 200

1

Which two statements describe the characteristics of fiber-optic cabling? (Choose two.)

Select one or more of the following:

Fiber-optic cabling does not conduct electricity.
Fiber-optic cabling has high signal loss.
Fiber-optic cabling is primarily used as backbone cabling.
Multimode fiber-optic cabling carries signals from multiple sending devices.
Fiber-optic cabling uses LEDs for single-mode cab?les and laser technology for multimode cables.

Explanation

Question 146 of 200

1

What is contained in the trailer of a data-link frame?

Select one of the following:

logical address
physical address
data
error detection

Explanation

Question 147 of 200

1

Refer to the exhibit. A ping to PC3 is issued from PC0, PC1, and PC2 in this exact order. Which MAC addresses will be contained in the S1 MAC address table that is associated with the Fa0/1 port?

Select one of the following:

just PC0 and PC1 MAC addresses
just the PC0 MAC address
PC0, PC1, and PC2 MAC addresses
just the PC1 MAC address
just the PC2 MAC address

Explanation

Question 148 of 200

1

How does a Layer 3 switch differ from a Layer 2 switch?

Select one of the following:

A Layer 3 switch supports VLANs, but a Layer 2 switch does not.
An IP address can be assigned to a physical port of a Layer 3 switch. However, this is not supported in Layer 2 switches.
A Layer 3 switch maintains an IP address table instead of a MAC address table.
A Layer 3 switch learns the MAC addresses that are associated with each of its ports. However, a Layer 2 switch does not.

Explanation

Question 149 of 200

1

What is the purpose of the routing process?

Select one of the following:

to encapsulate data that is used to communicate across a network
to select the paths that are used to direct traffic to destination networks
to convert a URL name into an IP address
to provide secure Internet file transfer
to forward traffic on the basis of MAC addresses

Explanation

Question 150 of 200

1

Which technology provides a solution to IPv4 address depletion by allowing multiple devices to share one public IP address?

Select one of the following:

ARP
DNS
NAT
SMB
DHCP
HTTP

Explanation

Question 151 of 200

1

Refer to the exhibit. Consider the IP address configuration shown from PC1. What is a description of the default gateway address?

Select one of the following:

It is the IP address of the Router1 interface that connects the company to the Internet.
It is the IP address of the Router1 interface that connects the PC1 LAN to Router1.
It is the IP address of Switch1 that connects PC1 to other devices on the same LAN.
It is the IP address of the ISP network device located in the cloud.

Explanation

Question 152 of 200

1

Which of the following are primary functions of a router? (Choose two.)

Select one or more of the following:

packet switching
microsegmentation
domain name resolution
path selection
flow control

Explanation

Question 153 of 200

1

Which two statements correctly describe a router memory type and its contents? (Choose two.)

Select one or more of the following:

ROM is nonvolatile and contains basic diagnostic software.
FLASH is nonvolatile and contains a limited portion of the IOS.
ROM is nonvolatile and stores the running IOS.
RAM is volatile and stores the IP routing table.
NVRAM is nonvolatile and stores other system files.

Explanation

Question 154 of 200

1

In which default order will a router search for startup configuration information?

Select one of the following:

NVRAM, RAM, TFTP
NVRAM, TFTP, setup mode
setup mode, NVRAM, TFTP
TFTP, ROM, NVRAM
flash, ROM, setup mode

Explanation

Question 155 of 200

1

What happens when part of an Internet VoIP transmission is not delivered to the destination?

Select one of the following:

A delivery failure message is sent to the source host.
The part of the VoIP transmission that was lost is re-sent.
The entire transmission is re-sent.
The transmission continues without the missing portion.

Explanation

Question 156 of 200

1

Which three IP addresses are private ? (Choose three.)

Select one or more of the following:

10.172.168.1
172.32.5.2
192.167.10.10
172.20.4.4
192.168.5.254
224.6.6.6

Explanation

Question 157 of 200

1

How many bits make up the single IPv6 hextet :10CD:?

Select one of the following:

4
8
16
32

Explanation

Question 158 of 200

1

What is the effect of configuring the ipv6 unicast-routing command on a router?

Select one of the following:

to assign the router to the all-nodes multicast group
to enable the router as an IPv6 router
to permit only unicast packets on the router
to prevent the router from joining the all-routers multicast group

Explanation

Question 159 of 200

1

Which group of IPv6 addresses cannot be allocated as a host source address?

Select one of the following:

FEC0::/10
FDFF::/7
FEBF::/10
FF00::/8

Explanation

Question 160 of 200

1

What is the purpose of ICMP messages?

Select one of the following:

to inform routers about network topology changes
to ensure the delivery of an IP packet
to provide feedback of IP packet transmissions
to monitor the process of a domain name to IP address resolution

Explanation

Question 161 of 200

1

Refer to the exhibit. A technician has configured a user workstation with the IP address and default subnet masks that are shown. Although the user can access all local LAN resources, the user cannot access any Internet sites by using either FQDN or IP addresses. Based upon the exhibit, what could account for this failure?

Select one of the following:

The DNS server addresses are incorrect.
The default gateway address in incorrect.
The wrong subnet mask was assigned to the workstation.
The workstation is not in the same network as the DNS servers.

Explanation

Question 162 of 200

1

A network administrator needs to monitor network traffic to and from servers in a data center. Which features of an IP addressing scheme should be applied to these devices?

Select one of the following:

random static addresses to improve security
addresses from different subnets for redundancy
predictable static IP addresses for easier identification
dynamic addresses to reduce the probability of duplicate addresses

Explanation

Question 163 of 200

1

Refer to the exhibit. Which IP addressing scheme should be changed?

Select one of the following:

Site 1
Site 2
Site 3
Site 4

Explanation

Question 164 of 200

1

Which two notations are useable nibble boundaries when subnetting in IPv6? (Choose two.)

Select one or more of the following:

/62
/64
/66
/68
/70

Explanation

Question 165 of 200

1

A host PC has just booted and is attempting to lease an address through DHCP. Which two messages will the client typically broadcast on the network? (Choose two.)

Select one or more of the following:

DHCPDISCOVER
DHCPOFFER
DHCPREQUEST
DHCPACK
DHCPNACK

Explanation

Question 166 of 200

1

What is the purpose of the network security accounting function?

Select one of the following:

to require users to prove who they are
to determine which resources a user can access
to keep track of the actions of a user
to provide challenge and response questions

Explanation

Question 167 of 200

1

Refer to the exhibit. The network administrator enters these commands into the R1 router:
R1# copy running-config tftp
Address or name of remote host [ ]?
When the router prompts for an address or remote host name, what IP address should the administrator enter at the prompt?

Select one of the following:

192.168.9.254
192.168.10.1
192.168.10.2
192.168.11.252
192.168.11.254

Explanation

Question 168 of 200

1

What two preconfigured settings that affect security are found on most new wireless routers? (Choose two.)

Select one or more of the following:

broadcast SSID
MAC filtering enabled
WEP encryption enabled
PSK authentication required
default administrator password

Explanation

Question 169 of 200

1

Which type of wireless security generates dynamic encryption keys each time a client associates with an AP?

Select one of the following:

EAP
PSK
WEP
WPA

Explanation

Question 170 of 200

1

Fill the blank space to complete the text.

is a best-effort, connectionless application layer protocol that is used to transfer files.

Explanation

Question 171 of 200

1

Which two components are necessary for a wireless client to be installed on a WLAN? (Choose two.)

Select one or more of the following:

media
wireless NIC
custom adapter
crossover cable
wireless bridge
wireless client software

Explanation

Question 172 of 200

1

Fill the blank space to complete the text.

Consider the following range of addresses:
2001:0DB8:BC15:00A0:0000::
2001:0DB8:BC15:00A1:0000::
2001:0DB8:BC15:00A2:0000::
…
2001:0DB8:BC15:00AF:0000::

The prefix-length for the range of addresses is

Explanation

Question 173 of 200

1

A host is accessing an FTP server on a remote network. Which three functions are performed by intermediary network devices during this conversation? (Choose three.)

Select one or more of the following:

regenerating data signals
acting as a client or a server
providing a channel over which messages travel
applying security settings to control the flow of data
notifying other devices when errors occur
serving as the source or destination of the messages

Explanation

Question 174 of 200

1

When is a dial-up connection used to connect to an ISP?

Select one of the following:

when a cellular telephone provides the service
when a high-speed connection is provided over a cable TV network
when a satellite dish is used
when a regular telephone line is used

Explanation

Question 175 of 200

1

On a school network, students are surfing the web, searching the library database, and attending an audio conference with their sister school in Japan. If network traffic is prioritized with QoS, how will the traffic be classified from highest priority to lowest priority?

Select one of the following:

audio conference, database, HTTP
database, HTTP, audio conference
audio conference, HTTP, database
database, audio conference, HTTP

Explanation

Question 176 of 200

1

During normal operation, from which location do most Cisco routers run the IOS?

Select one of the following:

RAM
flash
NVRAM
disk drive

Explanation

Question 177 of 200

1

Which keys act as a hot key combination that is used to interrupt an IOS process?

Select one of the following:

Ctrl-Shift-X
Ctrl-Shift-6
Ctrl-Z
Ctrl-C

Explanation

Question 178 of 200

1

Refer to the exhibit. An administrator wants to change the name of a brand new switch, using the hostname command as shown. What prompt will display after the command is issued??

Select one of the following:

HR Switch(config)#?
Switch(config)#?
HRSwitch(config)#?
HR(config)#?
Switch#

Explanation

Question 179 of 200

1

A technician uses the ping 127.0.0.1 command. What is the technician testing?

Select one of the following:

the TCP/IP stack on a network host
connectivity between two adjacent Cisco devices
connectivity between a PC and the default gateway
connectivity between two PCs on the same network
physical connectivity of a particular PC and the network

Explanation

Question 180 of 200

1

What is the correct order for PDU encapsulation?

Select one of the following:

Frame Header, Network Header, Transport Header, Data, Frame Trailer
Network Header ,Transport Header,Frame Header, Data, Frame Trailer
Trasport Header, Network Header, Frame Header, Data, Frame Trailer
Transport Header, Frame Header, Network Header, Data, Frame Trailer

Explanation

Question 181 of 200

1

Which device should be used for enabling a host to communicate with another host on a different network?

Select one of the following:

switch
hub
router
host

Explanation

Question 182 of 200

1

A network technician is measuring the transfer of bits across the company backbone for a mission critical application. The technician notices that the network throughput appears lower than the bandwidth expected. Which three factors could influence the differences in throughput? (Choose three.)

Select one or more of the following:

the amount of traffic that is currently crossing the network
the sophistication of the encapsulation method applied to the data
the type of traffic that is crossing the network
the latency that is created by the number of network devices that the data is crossing
the bandwidth of the WAN connection to the Internet
the reliability of the gigabit Ethernet infrastructure of the backbone

Explanation

Question 183 of 200

1

Which characteristics describe fiber optic cable? (Choose two.)

Select one or more of the following:

It is not affected by EMI or RFI.
Each pair of cables is wrapped in metallic foil.
It combines the technique of cancellation, shielding and twisting to protect data.
It has a maximum speed of 100 Mbps.
It is the most expensive type of LAN cabling

Explanation

Question 184 of 200

1

What are two features of a physical, star network topology? (Choose two.)

Select one or more of the following:

It is straightforward to troubleshoot.
End devices are connected together by a bus.
It is easy to add and remove end devices.
All end devices are connected in a chain to each other.
Each end system is connected to its respective neighbor.

Explanation

Question 185 of 200

1

A frame is transmitted from one networking device to another. Why does the receiving device check the FCS field in the frame?

Select one of the following:

to determine the physical address of the sending device
to verify the network layer protocol information
to compare the interface media type between the sending and receiving ends
to check the frame for possible transmission errors
to verify that the frame destination matches the MAC address of the receiving device

Explanation

Question 186 of 200

1

What will a Layer 2 switch do when the destination MAC address of a received frame is not in the MAC table?

Select one of the following:

It initiates an ARP request.
It broadcasts the frame out of all ports on the switch.
It notifies the sending host that the frame cannot be delivered.
It forwards the frame out of all ports except for the port at which the frame was received.

Explanation

Question 187 of 200

1

Which parameter does the router use to choose the path to the destination when there are multiple routes available?

Select one of the following:

the lower metric value that is associated with the destination network
the lower gateway IP address to get to the destination network
the higher metric value that is associated with the destination network
the higher gateway IP address to get to the destination network

Explanation

Question 188 of 200

1

Which two statements describe the functions or characteristics of ROM in a router? (Choose two.)

Select one or more of the following:

stores routing tables
allows software to be updated without replacing pluggable chips on the motherboard
maintains instructions for POST diagnostics
holds ARP cache
stores bootstrap program

Explanation

Question 189 of 200

1

Which statement describes a characteristic of the Cisco router management ports?

Select one of the following:

A console port is used for remote management of the router.
A console port is not used for packet forwarding.
Serial and DSL interfaces are types of management ports.
Each Cisco router has a LED indicator to provide information about the status of the management ports.

Explanation

Question 190 of 200

1

What happens when part of an Internet radio transmission is not delivered to the destination?

Select one of the following:

A delivery failure message is sent to the source host.
The part of the radio transmission that was lost is re-sent.
The entire transmission is re-sent.
The transmission continues without the missing portion.

Explanation

Question 191 of 200

1

What types of addresses make up the majority of addresses within the /8 block IPv4 bit space?

Select one of the following:

private addresses
public addresses
multicast addresses
experimental addresses

Explanation

Question 192 of 200

1

Refer to the exhibit. What is the maximum TTL value that is used to reach the destination www.cisco.com??

Select one of the following:

11
12
13
14

Explanation

Question 193 of 200

1

A company has a network address of 192.168.1.64 with a subnet mask of 255.255.255.192. The company wants to create two subnetworks that would contain 10 hosts and 18 hosts respectively. Which two networks would achieve that? (Choose two.)

Select one or more of the following:

192.168.1.16/28
192.168.1.64/27
192.168.1.128/27
192.168.1.96/28
192.168.1.192/28

Explanation

Question 194 of 200

1

In a network that uses IPv4, what prefix would best fit a subnet containing 100 hosts?

Select one of the following:

/23
/24
/25
/26

Explanation

Question 195 of 200

1

Which protocol supports rapid delivery of streaming media?

Select one of the following:

Transmission Control Protocol
Real-Time Transport Protocol
Secure File Transfer Protocol
Video over Internet Protocol

Explanation

Question 196 of 200

1

Why would a network administrator use the tracert utility?

Select one of the following:

to determine the active TCP connections on a PC
to check information about a DNS name in the DNS server
to identify where a packet was lost or delayed on a network
to display the IP address, default gateway, and DNS server address for a PC

Explanation

Question 197 of 200

1

Refer to the exhibit. What is the significance of the asterisk (*) in the exhibited output?

Select one of the following:

The asterisk shows which file system was used to boot the system.
The asterisk designates which file system is the default file system.
An asterisk indicates that the file system is bootable.
An asterisk designates that the file system has at least one file that uses that file system.

Explanation

Question 198 of 200

1

Which WLAN security protocol generates a new dynamic key each time a client establishes a connection with the AP?

Select one of the following:

EAP
PSK
WEP
WPA

Explanation

Question 199 of 200

1

Fill the blank space to complete the text.

Point-to-point communications where both devices can transmit and receive on the medium at the same time are known as

Explanation

Question 200 of 200

1

A host is accessing a Telnet server on a remote network. Which three functions are performed by intermediary network devices during this conversation? (Choose three.)

Select one or more of the following:

regenerating data signals
acting as a client or a server
providing a channel over which messages travel
applying security settings to control the flow of data
notifying other devices when errors occur
serving as the source or destination of the messages

	Created by Gigel Gigel over 4 years ago

Computer Science Quiz on Final Exam quiz 1, created by Gigel Gigel on 26/01/2020.

Final Exam quiz 1

Question 1 of 200

What is a characteristic of a fault tolerant network?

Select one of the following:

Explanation

Question 2 of 200

Select one of the following:

Explanation

Question 3 of 200

What is a benefit of using cloud computing in networking?

Select one of the following:

Explanation

Question 4 of 200

What is the function of the shell in an OS?

Select one of the following:

Explanation

Question 5 of 200

Which connection provides a secure CLI session with encryption to a Cisco switch?

Select one of the following:

Explanation

Question 6 of 200

A network technician is attempting to configure an interface by entering the following command: SanJose(config)# ip address 192.168.2.1 255.255.255.0. The command is rejected by the device. What is the reason for this?

Select one of the following:

Explanation

Question 7 of 200

An administrator uses the Ctrl-Shift-6 key combination on a switch after issuing the ping command. What is the purpose of using these keystrokes?

Select one of the following:

Explanation

Question 8 of 200

Refer to the exhibit. A network administrator is configuring access control to switch SW1. If the administrator uses a console connection to connect to the switch, which password is needed to access user EXEC mode?

Select one of the following:

Explanation

Question 9 of 200

On which switch interface would an administrator configure an IP address so that the switch can be managed remotely?

Select one of the following:

Explanation

Question 10 of 200

What protocol is responsible for controlling the size of segments and the rate at which segments are exchanged between a web client and a web server?

Select one of the following:

Explanation

Question 11 of 200

What is an advantage to using a protocol that is defined by an open standard?

Select one of the following:

Explanation

Question 12 of 200

What are two benefits of using a layered network model? (Choose two.)

Select one or more of the following:

Explanation

Question 13 of 200

Which two OSI model layers have the same functionality as two layers of the TCP/IP model? (Choose two.)

Select one or more of the following:

Explanation

Question 14 of 200

Which name is assigned to the transport layer PDU?

Select one of the following:

Explanation

Question 15 of 200

Select one or more of the following:

Explanation

Question 16 of 200

A network administrator is troubleshooting connectivity issues on a server. Using a tester, the administrator notices that the signals generated by the server NIC are distorted and not usable. In which layer of the OSI model is the error categorized?

Select one of the following:

Explanation

Question 17 of 200

Which type of UTP cable is used to connect a PC to a switch port?

Select one of the following:

Explanation

Question 18 of 200

Select one or more of the following:

Explanation

Question 19 of 200

What is a characteristic of UTP cabling?

Select one of the following:

Explanation

Question 20 of 200

What are two characteristics of fiber-optic cable? (Choose two.)

Select one or more of the following:

Explanation

Question 21 of 200