Final Exam quiz 2

Frage 1 von 84

1

Refer to the exhibit. Which area would most likely be an extranet for the company network that is shown?

Wähle eine der folgenden:

area A
area B
area C
area D

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Frage 2 von 84

1

Three office workers 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 office workers in branch offices. If QoS is implemented on this network, what will be the priorities from highest to lowest of the different data types?

Wähle eine der folgenden:

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

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Frage 3 von 84

1

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

Wähle eine der folgenden:

RAM
flash
NVRAM
disk drive

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Frage 4 von 84

1

A network administrator is making changes to the configuration of a router. After making the changes and verifying the results, the administrator issues the copy running-config startup-config command. What will happen after this command executes?

Wähle eine der folgenden:

The configuration will be copied to flash.
The configuration will load when the router is restarted.
The new configuration file will replace the IOS file.
The changes will be lost when the router restarts.

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Frage 5 von 84

1

What information does the loopback test provide?

Wähle eine der folgenden:

The TCP/IP stack on the device is working correctly.
The device has end-to-end connectivity.
DHCP is working correctly.
The Ethernet cable is working correctly.
The device has the correct IP address on the network.

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Frage 6 von 84

1

What happens when a switch receives a frame and the calculated CRC value is different than the value that is in the FCS field?

Wähle eine der folgenden:

The switch places the new CRC value in the FCS field and forwards the frame.
The switch notifies the source of the bad frame.
The switch drops the frame.
The switch floods the frame to all ports except the port through which the frame arrived to notify the hosts of the error.

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Frage 7 von 84

1

Which destination address is used in an ARP request frame?

Wähle eine der folgenden:

0.0.0.0
255.255.255.255
FFFF.FFFF.FFFF
127.0.0.1
01-00-5E-00-AA-23

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Frage 8 von 84

1

What is the auto-MDIX feature on a switch?

Wähle eine der folgenden:

the automatic configuration of an interface for 10/100/1000 Mb/s operation
the automatic configuration of an interface for a straight-through or a crossover Ethernet cable connection
the automatic configuration of full-duplex operation over a single Ethernet copper or optical cable
the ability to turn a switch interface on or off accordingly if an active connection is detected

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Frage 9 von 84

1

What are the two main components of Cisco Express Forwarding (CEF)? (Choose two.)

Wähle eine oder mehr der folgenden:

adjacency tables
MAC-address tables
routing tables
ARP tables
forwarding information base (FIB)

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Frage 10 von 84

1

Which statement describes the sequence of processes executed by a router when it receives a packet from a host to be delivered to a host on another network?

Wähle eine der folgenden:

It receives the packet and forwards it directly to the destination host.
It de-encapsulates the packet, selects the appropriate path, and encapsulates the packet to forward it toward the destination host
It de-encapsulates the packet and forwards it toward the destination host.
It selects the path and forwards it toward the destination host.

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Frage 11 von 84

1

Refer to the exhibit. Router R1 has two interfaces that were configured with correct IP addresses and subnet masks. Why does the show ip route command output not display any information about the directly connected networks??

Wähle eine der folgenden:

The directly connected networks have to be created manually to be displayed in the routing table.
The routing table will only display information about these networks when the router receives a packet.
The no shutdown command was not issued on these interfaces.
The gateway of last resort was not configured.

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Frage 12 von 84

1

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

Wähle eine der folgenden:

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

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Frage 13 von 84

1

Which three statements characterize the transport layer protocols? (Choose three.)

Wähle eine oder mehr der folgenden:

TCP and UDP port numbers are used by application layer protocols.
TCP uses port numbers to provide reliable transportation of IP packets.
UDP uses windowing and acknowledgments for reliable transfer of data.
TCP uses windowing and sequencing to provide reliable transfer of data.
TCP is a connection-oriented protocol. UDP is a connectionless protocol.

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Frage 14 von 84

1

Which statement is true regarding the UDP client process during a session with a server?

Wähle eine der folgenden:

Datagrams that arrive in a different order than that in which they were sent are not placed in order.
A session must be established before datagrams can be exchanged.
A three-way handshake takes place before the transmission of data begins.
Application servers have to use port numbers above 1024 in order to be UDP capable.

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Frage 15 von 84

1

Which two components are configured via software in order for a PC to participate in a network environment? (Choose two.)

Wähle eine oder mehr der folgenden:

MAC address
IP address
kernel
shell
subnet mask

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Frage 16 von 84

1

Which two reasons generally make DHCP the preferred method of assigning IP addresses to hosts on large networks? (Choose two.)

Wähle eine oder mehr der folgenden:

It eliminates most address configuration errors.
it ensures that addresses are only applied to devices that require a permanent address.
It guarantees that every device that needs an address will get one.
It provides an address only to devices that are authorized to be connected to the network.
It reduces the burden on network support staff.

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Frage 17 von 84

1

What is the subnet address for the address 2001:DB8:BC15:A:12AB::1/64?

Wähle eine der folgenden:

2001:DB8:BC15::0
2001:DB8:BC15:A::0
2001:DB8:BC15:A:1::1
2001:DB8:BC15:A:12::0

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Frage 18 von 84

1

What is the purpose of the network security authentication function?

Wähle eine der folgenden:

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

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Frage 19 von 84

1

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

Wähle eine der folgenden:

EAP
PSK
WEP
WPA

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Frage 20 von 84

1

Which field in an IPv4 packet header will typically stay the same during its transmission?

Wähle eine der folgenden:

Packet Length
Destination Address
Flag
Time-to-Live

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Frage 21 von 84

1

What must be configured to enable Cisco Express Forwarding (CEF) on most Cisco devices that perform Layer 3 switching?

Wähle eine der folgenden:

Manually configure next-hop Layer 2 addresses.
Issue the no shutdown command on routed ports.
CEF is enabled by default, so no configuration is necessary.
Manually map Layer 2 addresses to Layer 3 addresses to populate the forwarding information base (FIB).

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Frage 22 von 84

1

What is the purpose of adjacency tables as used in Cisco Express Forwarding (CEF)?

Wähle eine der folgenden:

to populate the forwarding information base (FIB)
to maintain Layer 2 next-hop addresses
to allow the separation of Layer 2 and Layer 3 decision making
to update the forwarding information base (FIB)

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Frage 23 von 84

1

Which statement describes a characteristic of the network layer in the OSI model?

Wähle eine der folgenden:

It manages the data transport between the processes running on each host.
In the encapsulation process, it adds source and destination port numbers to the IP header.
When a packet arrives at the destination host, its IP header is checked by the network layer to determine where the packet has to be routed.
Its protocols specify the packet structure and processing used to carry the data from one host to another.

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Frage 24 von 84

1

A user gets an IP address of 192.168.0.1 from the company network administrator. A friend of the user at a different company gets the same IP address on another PC. How can two PCs use the same IP address and still reach the Internet, send and receive email, and search the web?

Wähle eine der folgenden:

Both users must be using the same Internet Service Provider.
ISPs use Network Address Translation to change a user IP address into an address that can be used on the Internet.
ISPs use Domain Name Service to change a user IP address into a public IP address that can be used on the Internet.
Both users must be on the same network.

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Frage 25 von 84

1

Why does HTTP use TCP as the transport layer protocol?

Wähle eine der folgenden:

to ensure the fastest possible download speed
because HTTP is a best-effort protocol
because transmission errors can be tolerated easily
because HTTP requires reliable delivery

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Frage 26 von 84

1

What is the valid most compressed format possible of the IPv6 address 2001:0DB8:0000:AB00:0000:0000:0000:1234?

Wähle eine der folgenden:

2001:DB8:0:AB00::1234
2001:DB8:0:AB::1234
2001:DB8::AB00::1234
2001:DB8:0:AB:0:1234

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Frage 27 von 84

1

What field content is used by ICMPv6 to determine that a packet has expired?

Wähle eine der folgenden:

TTL field
CRC field
Hop Limit field
Time Exceeded field

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Frage 28 von 84

1

Which firewall technique blocks incoming packets unless they are responses to internal requests?

Wähle eine der folgenden:

port filtering
stateful packet inspection
URL filtering
application filtering

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Frage 29 von 84

1

A network technician is investigating network connectivity from a PC to a remote host with the address 10.1.1.5. Which command issued on the PC will return to the technician the complete path to the remote host?

Wähle eine der folgenden:

trace 10.1.1.5
traceroute 10.1.1.5
tracert 10.1.1.5
ping 10.1.1.5

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Frage 30 von 84

1

Fülle die Lücke, um den Text zu vervollständigen

To prevent faulty network devices from carrying dangerous voltage levels, equipment must be correctly

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Frage 31 von 84

1

What is a possible hazard that can be caused by network cables in a fire?

Wähle eine der folgenden:

The cable insulation could be flammable.
Users could be exposed to excessive voltage.
Network cables could be exposed to water.
The network cable could explode.

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Frage 32 von 84

1

What device is commonly used to verify a UTP cable?

Wähle eine der folgenden:

a multimeter
an Optical Time Domain Reflectometer
a cable tester
an ohmmeter

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Frage 33 von 84

1

What needs to be checked when testing a UTP network cable?

Wähle eine der folgenden:

capacitance
wire map
inductance
flexibility

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Frage 34 von 84

1

Which function is provided by TCP?

Wähle eine der folgenden:

data encapsulation
detection of missing packets
communication session control
path determination for data packets

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Frage 35 von 84

1

What does a router use to determine where to send data it receives from the network?

Wähle eine der folgenden:

an ARP table
a routing table
the destination PC physical address
a switching table

Erklärung

Frage 36 von 84

1

Which router interface should be used for direct remote access to the router via a modem?

Wähle eine der folgenden:

an inband router interface
a console port
a serial WAN interface
an AUX port

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Frage 37 von 84

1

A technician is configuring a router to allow for all forms of management access. As part of each different type of access, the technician is trying to type the command login. Which configuration mode should be entered to do this task?

Wähle eine der folgenden:

user executive mode
global configuration mode
any line configuration mode
privileged EXEC mode

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Frage 38 von 84

1

Which three statements characterize the transport layer protocols? (Choose three.)

Wähle eine oder mehr der folgenden:

TCP and UDP port numbers are used by application layer protocols.
TCP uses port numbers to provide reliable transportation of IP packets.
UDP uses windowing and acknowledgments for reliable transfer of data.
TCP uses windowing and sequencing to provide reliable transfer of data.
TCP is a connection-oriented protocol. UDP is a connectionless protocol.

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Frage 39 von 84

1

Refer to the exhibit. A TCP segment from a server has been captured by Wireshark, which is running on a host. What acknowledgement number will the host return for the TCP segment that has been received?

Wähle eine der folgenden:

2
21
250
306
2921

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Frage 40 von 84

1

Which statement is true about an interface that is configured with the IPv6 address command?

Wähle eine der folgenden:

IPv6 traffic-forwarding is enabled on the interface.
A link-local IPv6 address is automatically configured on the interface.
A global unicast IPv6 address is dynamically configured on the interface.
Any IPv4 addresses that are assigned to the interface are replaced with an IPv6 address.

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Frage 41 von 84

1

Refer to the exhibit. An administrator must send a message to everyone on the router A network. What is the broadcast address for network 172.16.16.0/22?

Wähle eine der folgenden:

172.16.16.255
172.16.20.255
172.16.19.255
172.16.23.255
172.16.255.255

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Frage 42 von 84

1

A network administrator is variably subnetting a given block of IPv4 addresses. Which combination of network addresses and prefix lengths will make the most efficient use of addresses when the need is for 2 subnets capable of supporting 10 hosts and 1 subnet that can support 6 hosts?

Wähle eine der folgenden:

10.1.1.128/28
10.1.1.144/28
10.1.1.160/29
10.1.1.128/28
10.1.1.144/28
10.1.1.160/28
10.1.1.128/28
10.1.1.140/28
10.1.1.158/26
10.1.1.128/26
10.1.1.144/26
10.1.1.160/26
10.1.1.128/26
10.1.1.140/26
10.1.1.158/28

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Frage 43 von 84

1

How many additional bits should be borrowed from a /26 subnet mask in order to create subnets for WAN links that need only 2 useable addresses?

Wähle eine der folgenden:

2
3
4
5
6

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Frage 44 von 84

1

Refer to the exhibit. The administrator configured the access to the console and the vty lines of a router. Which conclusion can be drawn from this configuration?

Wähle eine der folgenden:

Unauthorized individuals can connect to the router via Telnet without entering a password.
Because the IOS includes the login command on the vty lines by default, access to the device via Telnet will require authentication.
Access to the vty lines will not be allowed via Telnet by anyone.
Because the login command was omitted, the password cisco command is not applied to the vty lines.

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Frage 45 von 84

1

An administrator issued the service password-encryption command to apply encryption to the passwords configured for enable password, vty, and console lines. What will be the consequences if the administrator later issues the no service password-encryption command?

Wähle eine der folgenden:

It will remove encryption from all passwords.
It will reverse only the vty and console password encryptions.
It will not reverse any encryption.
It will reverse only the enable password encryption.

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Frage 46 von 84

1

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

Wähle eine der folgenden:

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.

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Frage 47 von 84

1

What are two features of ARP? (Choose two.)

Wähle eine oder mehr der folgenden:

If a host is ready to send a packet to a local destination device and it has the IP address but not the MAC address of the destination, it generates an ARP broadcast.
An ARP request is sent to all devices on the Ethernet LAN and contains the IP address of the destination host and its multicast MAC address.
When a host is encapsulating a packet into a frame, it refers to the MAC address table to determine the mapping of IP addresses to MAC addresses.
If no device responds to the ARP request, then the originating node will broadcast the data packet to all devices on the network segment.
If a device receiving an ARP request has the destination IPv4 address, it responds with an ARP reply.

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Frage 48 von 84

1

A network administrator is enabling services on a newly installed server. Which two statements describe how services are used on a server? (Choose two.)

Wähle eine oder mehr der folgenden:

Data sent with a service that uses TCP is received in the order the data was sent.
A port is considered to be open when it has an active server application that is assigned to it.
An individual server can have two services that are assigned to the same port number.
An individual server cannot have multiple services running at the same time.
Server security can be improved by closing ports that are associated with unused services.

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Frage 49 von 84

1

Given the binary address of 11101100 00010001 00001100 00001010, which address does this represent in dotted decimal format?

Wähle eine der folgenden:

234.17.10.9
234.16.12.10
236.17.12.6
236.17.12.10

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Frage 50 von 84

1

A particular telnet site does not appear to be responding on a Windows 7 computer. What command could the technician use to show any cached DNS entries for this web page?

Wähle eine der folgenden:

ipconfig /all
arp -a
ipconfig /displaydns
nslookup

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Frage 51 von 84

1

Fülle die Lücke, um den Text zu vervollständigen

Network devices come in two physical configurations. Devices that have expansion slots that provide the flexibility to add new modules have a configuration.

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Frage 52 von 84

1

Which statement is true about DHCP operation?

Wähle eine der folgenden:

When a device that is configured to use DHCP boots, the client broadcasts a DHCPDISCOVER message to identify any available DHCP servers on the network.
A client must wait for lease expiration before it sends another DHCPREOUEST message.
The DHCPDISCOVER message contains the IP address and sub net masK to be assigned, the IP address of the DNS server, and the IP address of the default gateway.
If the client receives several DHCPOFFER messages from different servers, it sends a unicast DHCPREOUEST message to the server from which it chooses to obtain the IP information.

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Frage 53 von 84

1

Which type of wireless security is easily compromised?

Wähle eine der folgenden:

EAP
PSK
WEP
WPA

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Frage 54 von 84

1

A network administrator notices that the throughput on the network appears lower than expected when compared to the end-to-end network bandwidth. Which three factors can explain this difference? (Choose three.)

Wähle eine oder mehr der folgenden:

the amount of traffic
the type of data encapsulation in use
the type of traffic
the number and type of network devices that the data is crossing
the bandwidth of the connection to the ISP
the reliability of the network backbone

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Frage 55 von 84

1

A host PC is attempting to lease an address through DHCP. What message is sent by the server to the client know it is able to use the provided IP information?

Wähle eine der folgenden:

DHCPDISCOVER
DHCPOFFER
DHCPPREQUEST
DHCPACK
DHCPNACK

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Frage 56 von 84

1

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

Wähle eine der folgenden:

letmein
secretin
lineconin
linevtyin

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Frage 57 von 84

1

How many bits would need to be borrowed if a network admin were given the IP addressing scheme of 172.16.0.0/16 and needed no more than 16 subnet with equal number of hosts?

Wähle eine der folgenden:

10
12
2
4
8

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Frage 58 von 84

1

Which statement best describes the operation of the File Transfer Protocol?

Wähle eine der folgenden:

An FTP client uses a source port number of 21 and a randomly generated destination port number during the establishment of control traffic with an FTP Server.
An FTP client uses a source port number of 20 and a randomly generated destination port number during the establishment of data traffic with an FTP Server.
An FTP server uses a source port number of 20 and a randomly generated destination port number during the establishment of control traffic with an FTP client.
An FTP server uses a source port number of 21 and a randomly generated destination port number during the establishment of control traffic with an FTP client.

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Frage 59 von 84

1

A client is establishing a TCP session with a server. How is the acknowledgment number in the response segment to the client determined?

Wähle eine der folgenden:

The acknowledgment number field is modified by adding 1 to the randomly chosen initial sequence number in response to the client.
The acknowledgment number is set to 11 to signify an acknowledgment packet and synchronization packet back to the client.
The acknowledgment number field uses a random source port number in response to the client.
The acknowledgment number is set to 1 to signify an acknowledgment packet back to the client.

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Frage 60 von 84

1

Why does layer 3 device perform the ANDing process on a destination IP and subnet Mask?

Wähle eine der folgenden:

to identify host address and destination host;
to identify network address of destination host;
to identify faulty frames;
to identify broadcast address of destination network;

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Frage 61 von 84

1

There was also a question about if you activated service password encryption in the past and you prompt “no service password encryption” what password are modified ?

Wähle eine der folgenden:

no password at all;
password of the lines are in clear;
login password;
?

Erklärung

Frage 62 von 84

1

What type of communication rule would best describe CSMA/CD?

Wähle eine der folgenden:

message encapsulation
flow control
message encoding
access method

Erklärung

Frage 63 von 84

1

What is the primary reason to subnet IPv6 prefixes?

Wähle eine der folgenden:

to conserve IPv6 addresses
to avoid wasting IPv6 addresses
to conserve IPv6 prefixes
to create a hierarchical Layer 3 network design

Erklärung

Frage 64 von 84

1

Which statement describes data throughput?

Wähle eine der folgenden:

It is the measure of the bits transferred across the media under perfect conditions.
It is the measure of the bits transferred across the media over a given period of time.
It indicates the capacity of a particular medium to carry data.
It is the guaranteed data transfer rate offered by an ISP.

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Frage 65 von 84

1

Fülle die Lücke, um den Text zu vervollständigen

Pv4 multicast addresses are directly mapped to IEEE 802 (Ethernet) MAC addresses using the last of the 28 available bits in the IPv4 multicast group address

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Frage 66 von 84

1

How could a faulty network device create a source of hazard for a user? (Choose two.)

Wähle eine oder mehr der folgenden:

It could stop functioning.
It could apply dangerous voltage to other pieces of equipment.
It could explode.
It could produce an unsafe electromagnetic field.
It could apply dangerous voltage to itself.

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Frage 67 von 84

1

What is the metric value that is used to reach the 10.1.1.0 network in the following routing table entry? D 10.1.1.0/24 [90/2170112] via 209.165.200.226, 00:00:05, Serial0/0/0

Wähle eine der folgenden:

24
90
05
2170112

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Frage 68 von 84

1

What are three important considerations when planning the structure of an IP addressing scheme? (Choose three.)

Wähle eine oder mehr der folgenden:

preventing duplication of addresses
providing and controlling access
documenting the network
monitoring security and performance
conserving addresses
implementing new services

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Frage 69 von 84

1

Which two services or protocols use the preferred UDP protocol for fast transmission and low overhead? (Choose two)

Wähle eine oder mehr der folgenden:

VoIP
DNS
HTTP
FTP
POP3

Erklärung

Frage 70 von 84

1

What action does a DHCPv4 client take if it receives more than one DHCPOFFER from multiple DHCP servers?

Wähle eine der folgenden:

It sends a DHCPREQUEST that identifies which lease offer the client is accepting.
It sends a DHCPNAK and begins the DHCP process over again.
It discards both offers and sends a new DHCPDISCOVER.
It accepts both DHCPOFFER messages and sends a DHCPACK.

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Frage 71 von 84

1

To what legacy address class does the address 10.0.0.0 belong?

Wähle eine der folgenden:

Class B
Class D
Class A
Class C
Class E

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Frage 72 von 84

1

How many IPv4 addresses are available to be assigned to hosts on a network that has a mask of 255.255.255.248?

Wähle eine der folgenden:

16
14
8
254
6
2

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Frage 73 von 84

1

What type of communication medium is used with a wireless LAN connection?

Wähle eine der folgenden:

radio waves
fiber
microwave
UTP

Erklärung

Frage 74 von 84

1

Which method of IPv6 prefix assignment relies on the prefix contained in RA messages?

Wähle eine der folgenden:

EUI-64
static
SLAAC
stateful DHCPv6

Erklärung

Frage 75 von 84

1

What is a characteristic of DNS?

Wähle eine der folgenden:

DNS servers can cache recent queries to reduce DNS query traffic.
DNS servers are programmed to drop requests for name translations that are not within their zone.
All DNS servers must maintain mappings for the entire DNS structure.
DNS relies on a hub-and-spoke topology with centralized servers.

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Frage 76 von 84

1

What is the prefix for the host address 2001:DB8:BC15:A:12AB::1/64?

Wähle eine der folgenden:

2001:DB8:BC15
2001:DB8:BC15:A
2001:DB8:BC15:A:1
2001:DB8:BC15:A:12

Erklärung

Frage 77 von 84

1

What information is maintained in the CEF adjacency table?

Wähle eine der folgenden:

Layer 2 next hops
MAC address to IPv4 address mappings
IP address to interface mappings
the IP addresses of all neighboring routers

Erklärung

Frage 78 von 84

1

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

Wähle eine der folgenden:

terminal monitor
logging console
logging buffered
logging synchronous

Erklärung

Frage 79 von 84

1

Which protocol requires the establishment of a session between sender and receiver hosts prior to transmitting data?

Wähle eine der folgenden:

UDP
TCP
IP
ICMP

Erklärung

Frage 80 von 84

1

What does a client do when it has UDP datagrams to send?

Wähle eine der folgenden:

It sends to the server a segment with the SYN flag set to synchronize the conversation.
It just sends the datagrams.
It queries the server to see if it is ready to receive data.
It sends a simplified three-way handshake to the server.

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Frage 81 von 84

1

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

Wähle eine oder mehr der folgenden:

TCP
IP
UDP
POP
DNS
Ethernet

Erklärung

Frage 82 von 84

1

What is a characteristic of multicast messages?

Wähle eine der folgenden:

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

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Frage 83 von 84

1

Which protocol or service uses UDP for a client-to-server communication and TCP for server-to-server communication?

Wähle eine der folgenden:

FTP
HTTP
DNS
SMTP

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Frage 84 von 84

1

In what networking model would eDonkey, eMule, BitTorrent, Bitcoin, and LionShare be used?

Wähle eine der folgenden:

master-slave
client-based
peer-to-peer
point-to-point

	Erstellt von Gigel Gigel vor mehr als 6 Jahre

Computer Science Quiz am Final Exam quiz 2, erstellt von Gigel Gigel am 26/01/2020.

Final Exam quiz 2

Final Exam quiz 2

Frage 1 von 84

Refer to the exhibit. Which area would most likely be an extranet for the company network that is shown?

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Frage 2 von 84

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Frage 3 von 84

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

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Frage 4 von 84

A network administrator is making changes to the configuration of a router. After making the changes and verifying the results, the administrator issues the copy running-config startup-config command. What will happen after this command executes?

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Frage 5 von 84

What information does the loopback test provide?

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Frage 6 von 84

What happens when a switch receives a frame and the calculated CRC value is different than the value that is in the FCS field?

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Frage 7 von 84

Which destination address is used in an ARP request frame?

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Frage 8 von 84

What is the auto-MDIX feature on a switch?

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Frage 9 von 84

What are the two main components of Cisco Express Forwarding (CEF)? (Choose two.)

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Frage 10 von 84

Which statement describes the sequence of processes executed by a router when it receives a packet from a host to be delivered to a host on another network?

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Frage 11 von 84

Refer to the exhibit. Router R1 has two interfaces that were configured with correct IP addresses and subnet masks. Why does the show ip route command output not display any information about the directly connected networks??

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Frage 12 von 84

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

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Frage 13 von 84

Which three statements characterize the transport layer protocols? (Choose three.)

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Frage 14 von 84

Which statement is true regarding the UDP client process during a session with a server?

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Frage 15 von 84

Which two components are configured via software in order for a PC to participate in a network environment? (Choose two.)

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Frage 16 von 84

Which two reasons generally make DHCP the preferred method of assigning IP addresses to hosts on large networks? (Choose two.)

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Frage 17 von 84

What is the subnet address for the address 2001:DB8:BC15:A:12AB::1/64?

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Frage 18 von 84

What is the purpose of the network security authentication function?

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Frage 19 von 84

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

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Frage 20 von 84

Which field in an IPv4 packet header will typically stay the same during its transmission?