Data Communications and Networking 1 (Midterm)

  This course covers configuring and implementation of LAN networks.


Data Communications and Networking 1

Question 1

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Which two statements are true regarding the user EXEC mode? (Choose two.)

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Question 2

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When transporting data from real-time applications, such as streaming audio and video, which field in the IPv6 header can be used to inform the routers and switches to maintain the same path for the packets in the same conversation?

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Question 3

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Which two statement describe broadcast transmissions on a wired network? (Choose two.)

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Question 4

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Which action is performed by a client when establishing communication with a server via the use of UDP at the transport layer?

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Question 5

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 address is defined as a reserved address that routes packets back to the host


Question 6

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For which three reasons was a packet switched connectionless data communications technology used when developing the Internet (Choose three.)

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Question 7

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What is and advantage of using standards to develop and implement protocols?

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Question 8

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Your organization is issued the IPv6 prefix of 2001:0000:130F::/48 by your service provider. With this prefix, how many bits are available for your organization to create subnetworks?

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Question 9

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In which scenario would the use of a WISP be recommended

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Question 10

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Which two components are added to the PDU at the network access layer? (Choose two.)

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Question 11

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A data center has recently updated a physical server to host multiple operating systems on a single CPU. The data center can now provide each customer with a separate web server without having to allocate an actual discrete server for each customer. What is the network trend that is being implemented by the data center in this situation?

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Question 12

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What is an advantage of UDP over TCP?

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Question 13

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An  is a private connection of LANs and WANs that belongs to an organization, and is designed to be accessible only by the members and employees of the organization, or others with authorization.


Question 14

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

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Question 15

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A collision fragment, also known as a  frame, is a frame of fewer than 64 bytes in length.

Question 16

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 network is able to expand to accept new devices and applications without affecting performance.


Question 17

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A user who is unable to connect to the file server contacts the help desk. The helpdesk technician asks the user to ping the IP address of the default gateway that is configured on the workstation. What is the purpose for this command?

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Question 17

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A user who is unable to connect to the file server contacts the help desk. The helpdesk technician asks the user to ping the IP address of the default gateway that is configured on the workstation. What is the purpose for this command?

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Question 18

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Which three fields are used in a UDP segment header? (Choose three.)

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Question 19

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Which application use UDP as the transport layer protocol?

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Question 20

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Which two files are loaded into RAM by the router when it boots? (Choose two.)

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Question 21

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When a client connects to an HTTP server by the use of a randomly generated source port number, what destination port number will the HTTP server use when building a response?

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Question 22

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Which two functions or operations are performed by the MAC sublayer? (Choose two.)

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Question 23

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What will a network administrator use to modify a configuration on a Cisco router?

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Question 24

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Which term defines the processing capabilities of a switch by rating how much data can be processed per second?

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Question 25

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The last host address on the 10.15.25.0/24 network is 

Question 26

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Which statement accurately describes public IP addresses?

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Question 27

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During the boot process, in what memory location will the router bootstrap program look for the IOS image if a TFTP server is not used?

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Question 28

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Which entities are involved in a temporary communication that is established by the transport layer?

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Question 29

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The shortest compressed format of the IPv6 address 2001: 0DB8:0000:1470:0000:0000:0000:0200 is 2001:DB8:0:1470::200

Question 30

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A user is unable to access the company server from a computer. On issuing the ipconfig command, the user finds that the IP address of the computer is displayed as 169.254.0.2. What type of address is this?

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Question 31

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A network administrator notices that the default gateway devices sends an ICMP Redirect message to the workstation when the workstation tries to connect to file server on another network. What is the purpose for this ICMP message?

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Question 32

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Which value, that is contained in an IPv4 header field, is decremented by each router that receives a packet?

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Question 33

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How does the network layer use the MTU value?

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Question 34

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What happens if part of an FTP message is not delivered to the destination?

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Question 35

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What are two functions that are provided by the network layer? (Choose two.)

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Question 36

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Within a production network, what is the purpose of configuring a switch with a default gateway address?

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Question 36

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Within a production network, what is the purpose of configuring a switch with a default gateway address?

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Question 37

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Which feature on a Cisco router permits the forwarding of traffic for which there is no specific route?

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Question 37

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Which feature on a Cisco router permits the forwarding of traffic for which there is no specific route?

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Question 38

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Which statement describes a network that supports QoS?

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Question 39

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What command will prevent all unencrypted passwords from displaying in plain text in a configuration file?

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Question 40

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The 8-bit binary value for 41 is 

Question 41

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During troubleshooting procedures, from which location will most Cisco routers load a limited IOS

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Question 42

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What is an advantage of using standards to develop and implement protocols?

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Question 43

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Which statement is correct about network protocols?

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Question 44

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On Ethernet networks, the hexadecimal address FF-FF-FF-FF-FF-FF represent the  MAC address.


Question 45

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Which destination address is used in an ARP request frame?

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Question 46

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Which logical address is used for delivery of data to a remote network?

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Question 47

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Which number or set of numbers represents a socket?

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Question 48

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Which type of IPv6 address is not routable and used for communication on a single subnet?

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Question 49

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What is the purpose of using a source port number in a TCP communication?

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Question 50

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What is the command netstat –r used for?

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