Networking – Section 1

36. What is the port number for NNTP?

A. 119
B. 80
C. 79
D. 70

Correct Answer: A. 119

37. Eight stations are competing for the use of a shared channel using the ‘Adaptive tree Walk Protocol’. If the stations 7 and 8 are suddenly become ready at once, how many bit slots are needed to resolve the contention?

A. 7 slots
B. 5 slots
C. 10 slots
D. 14 slots

Correct Answer: A. 7 slots

38. Usually, it takes 10-bits to represent one character. How many characters can be transmitted at a speed of 1200 BPS?

A. 10
B. 12
C. 120
D. 1200
E. None of the above

Correct Answer: C. 120

39. To connect a computer with a device in the same room, you might be likely to use

A. a coaxial cable
B. a dedicated line
C. a ground station
D. All of the above
E. None of the above

Correct Answer: A. a coaxial cable

40. Internet-like networks within an enterprise.

A. Intranets
B. Switching alternating
C. Inter organizational networks
D. Extranets

Correct Answer: A. Intranets

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