Networking – Section 7

46. Number of bits per symbol used in Baudot code is

A. 1
B. 5
C. 8
D. 9
E. None of the above

Correct Answer: B. 5

47. Working of the WAN generally involves

A. telephone lines
B. microwaves
C. satellites
D. All of the above
E. None of the above

Correct Answer: D. All of the above

48. What does the acronym ISDN stand for?

A. Indian Standard Digital Network
B. Integrated Services Digital Network
C. Intelligent Services Digital Network
D. Integrated Services Data Network
E. None of the above

Correct Answer: B. Integrated Services Digital Network

49. Which of the following services dynamically resolves NetBIOS-to-IP resolution?

A. DNS
B. DHCP
C. WINS
D. LMHOSTS
E. None of the above

Correct Answer: C. WINS

50. An example of a medium-speed switched communications service is

A. Series 1000
B. Dataphone 50
C. DDD
D. All of the above
E. None of the above

Correct Answer: C. DDD

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