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Final CISCO 1

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Daniyar Gilymov
Quiz by Daniyar Gilymov, updated more than 1 year ago
Daniyar Gilymov
Created by Daniyar Gilymov about 7 years ago
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Resource summary

Question 1

Question
What is a characteristic of a fault tolerant network?
Answer
  • 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*

Question 2

Question
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?
Answer
  • financial transactions, audio conference, web page
  • audio conference, financial transactions, web page
  • audio conference, web page, financial transactions
  • financial transactions, web page, audio conference

Question 3

Question
What is a benefit of using cloud computing in networking?
Answer
  • 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.

Question 4

Question
What is the function of the shell in an OS?
Answer
  • 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.

Question 5

Question
Which connection provides a secure CLI session with encryption to a Cisco switch?
Answer
  • a console connection
  • an AUX connection
  • a Telnet connection
  • an SSH connection

Question 6

Question
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?
Answer
  • 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.

Question 7

Question
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?
Answer
  • 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

Question 8

Question
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?
Image:
2017 05 28 200126 (image/png)
Answer
  • letmein
  • secretin
  • linevtyin
  • lineconin

Question 9

Question
On which switch interface would an administrator configure an IP address so that the switch can be managed remotely?
Answer
  • FastEthernet0/1
  • VLAN 1
  • vty 0
  • console 0

Question 10

Question
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?
Answer
  • TCP
  • IP
  • HTTP
  • Ethernet

Question 11

Question
What is an advantage to using a protocol that is defined by an open standard?
Answer
  • 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.

Question 12

Question
Which name is assigned to the transport layer PDU?
Answer
  • bits
  • data
  • frame
  • packet
  • segment

Question 13

Question
Which two OSI model layers have the same functionality as two layers of the TCP/IP model? (Choose two.)
Answer
  • data link
  • network
  • physical
  • session
  • transport

Question 14

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

Question 15

Question
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.)
Answer
  • 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

Question 16

Question
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?
Answer
  • presentation layer
  • network layer
  • physical layer
  • data link layer

Question 17

Question
Which type of UTP cable is used to connect a PC to a switch port?
Answer
  • console
  • rollover
  • crossover
  • straight-through

Question 18

Question
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.)
Answer
  • 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

Question 19

Question
What is a characteristic of UTP cabling?
Answer
  • cancellation
  • cladding
  • immunity to electrical hazards
  • woven copper braid or metallic foil

Question 20

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

Question 21

Question
What is a characteristic of the LLC sublayer?
Answer
  • 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.

Question 22

Question
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?
Answer
  • mesh
  • partial mesh
  • hub and spoke
  • point-to-point

Question 23

Question
What method is used to manage contention-based access on a wireless network?
Answer
  • CSMA/CD
  • priority ordering
  • CSMA/CA
  • token passing

Question 24

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

Question 25

Question
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?
Answer
  • 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.

Question 26

Question
What are two examples of the cut-through switching method? (Choose two.)
Answer
  • store-and-forward switching
  • fast-forward switching
  • CRC switching
  • fragment-free switching
  • QOS switching

Question 27

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

Question 28

Question
Which frame forwarding method receives the entire frame and performs a CRC check to detect errors before forwarding the frame?
Answer
  • cut-through switching
  • store-and-forward switching
  • fragment-free switching
  • fast-forward switching

Question 29

Question
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?
Image:
2017 05 28 195511 (image/png)
Answer
  • 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

Question 30

Question
What addresses are mapped by ARP?
Answer
  • 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

Question 31

Question
What information is added during encapsulation at OSI Layer 3?
Answer
  • source and destination MAC
  • source and destination application protocol
  • source and destination port number
  • source and destination IP address

Question 32

Question
What are two services provided by the OSI network layer? (Choose two.)
Answer
  • performing error detection
  • routing packets toward the destination
  • encapsulating PDUs from the transport layer
  • placement of frames on the media
  • collision detection

Question 33

Question
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?
Image:
I274685v1n1 38117 (image/jpeg)
Answer
  • subnet mask
  • DNS address
  • host IP address
  • default gateway address

Question 34

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

Question 35

Question
What are two functions of NVRAM? (Choose two.)
Answer
  • 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

Question 36

Question
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?
Image:
2017 05 28 195821 (image/png)
Answer
  • 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.

Question 37

Question
What is the dotted decimal representation of the IPv4 address 11001011.00000000.01110001.11010011?
Answer
  • 192.0.2.199
  • 198.51.100.201
  • 203.0.113.211
  • 209.165.201.223

Question 38

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

Question 39

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

Question 40

Question
What purpose does NAT64 serve in IPv6?
Answer
  • 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.
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