Networking – Section 2

36. Devices interconnected by the LAN should include

A. Computers and terminals
B. mass storage device, printers and plotters
C. bridges and gateways
D. All of the above
E. None of the above

Correct Answer: D. All of the aboves

37. What are the data transmission channels available for carrying data from one location to another?

A. Narrowband
B. Voiceband
C. Broadband
D. All of the above
E. None of the above

Correct Answer: D. All of the above

38. On a class B network, how many hosts are available at each site with a subnet mask of 248?

A. 16,382
B. 8,190
C. 4,094
D. 2,046
E. 1,022

Correct Answer: D. 2,046

39. Which of the following technique is used for encapsulation?

A. a technique used in best-effort delivery systems to avoid endlessly looping packets.
B. a technique used by protocols in which a lower level protocol accepts a message from a higher level protocol and places it in the data portion of the low level frame.
C. One of the pieces that results when an IP gateway divides an IP datagram into smaller pieces for transmission across a network that cannot handle the original datagram size
D. All of the above
E. None of the above

Correct Answer: B. a technique used by protocols in which a lower level protocol accepts a message from a higher level protocol and places it in the data portion of the low level frame.

40. You are working with three networks that have the network IDs 192.168.5.0, 192.168.6.0, and 192.168.7.0. What subnet mask can you use to combine these addresses into one?

A. 255.255.252.0
B. 225.255.254.0
C. 255.255.255.240
D. 255.255.255.252

Correct Answer: A. 255.255.252.0

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