Networking – Section 4

16. Which of the following characteristics is not true of NetBEUI?

A. Highly-customizable
B. Routable
C. Little configuration required
D. Fast for small networks to Self-tuning

Correct Answer: B. Routable

17. The difference between a multiplexer and a statistical multiplexer is

A. Statistical multiplexers need buffers while multiplexers do not need buffers
B. Multiplexer use X.25 protocol, while statistical multiplexers use the Aloha protocol
C. Multiplexers often waste the output link capacity while statistical multiplexers optimize its use
D. Multiplexers use Time Division Multiplexing (TDM) while statistical multiplexers use Frequency Division Multiplexing (FDM)
E. None of the above

Correct Answer: A. Statistical multiplexers need buffers while multiplexers do not need buffers

18. You are trying to decide which type of network you will use at your office, and you want the type that will provide communication and avoid collisions on the cable. Which of the following is the best choice?

A. Token-Ring
B. CSMA/CD
C. Ethernet
D. CSMA/CA
E. A RCnet

Correct Answer: A. Token-Ring

19. Which of the following network access standard is used for connecting stations to a packet-switched network?

A. X.3
B. X.21
C. X.25
D. X.75
E. None of the above

Correct Answer: C. X.25

20. Interconnected networks need communication processors such as switches, routers, hubs, and gateways. Select the best fit for the answer:

A. TCP/IP
B. Protocol
C. Open Systems
D. Internetwork processor

Correct Answer: D. Internetwork processor

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