IndiaBIX

Computer Science - Networking

Exercise : Networking - Section 9
21.
Which transmission mode is used for data communication along telephone lines?
Parallel
Serial
Synchronous
Asynchronous
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Who invented the modem?
Wang Laboratories Ltd.
AT & T Information Systems, USA
Apple Computers Inc.
Digital Equipment Corpn.
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
With an IP address starting at 200, you currently have 10 subnets. What subnet mask should you use to maximize the number of available hosts?
192
224
240
248
252
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Which of the following communications modes support two-way traffic but in only one direction of a time?
simplex
half-duplex
three-quarters duplex
full-of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
Which of the following TCP/IP internet protocol a diskless machine uses to obtain its IP address from a server?
RDP
RARP
RIP
X.25
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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