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Computer Science Set-1
Computer Networks
122

Computer Networks MCQ with Answers

122) How many characters per sec (7 bits + 1 parity) can be transmitted over a 2400 bps line if the transfer is synchronous (1 start and 1 stop bit) ?

300

250

240

275

Answer is:

300

Computer Networks MCQ with Answers

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Related Computer Networks MCQ with Answers

123) A terminal multiplexer has six 1200 bps terminals and 'n' 300 bps terminals connected to it. If outgoing line is 9600 bps, then maximum value of n is

4

16

8

28

Answer is:

8

124) In an Ethernet network, what is the relationship between round-trip time and the collision domain

Round-trip time increases; collision domain decreases

Round-trip time decreases; collision domain decreases

Round-trip time decreases; collision domain increases

None of these

Answer is:

Round-trip time decreases; collision domain decreases

125) What are the primary characteristics that distinguish a cell from a packet ?

Cells are generally smaller that packets

Cells do not incorporate physical address

All cells have the same fixed length

Packet cannot be switched

Answer is:

All cells have the same fixed length

126) Three routers have to be inter-connected in a point-to-point network. Each pair of routers may be connected by a high speed line, a medium speed line, a low speed line or no line. If time taken to generate and inspect each topology, is 100 ms, how long will it take to inspect all of them to find one that best matches the expected load

12 sec

14.4 sec

6.4 sec

7.0 sec

Answer is:

6.4 sec

Computer Networks MCQ with Answers

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