GATE (Graduate Aptitude Test in Engineering) Computer Science: Questions 420 - 423 of 2080

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Question 420

Appeared in Year: 2016 (UGC-NET)

Question

MCQ▾

A pure ALOHA Network transmit 200 bit frames using a shared channel with 200 Kbps bandwidth. If the system (all stations put together) produces 500 frames per second, then the throughput of the system is …

Choices

Choice (4)Response

a.

0.384

b.

0.286

c.

0.586

d.

0.184

Question 421

Appeared in Year: 2016 (UGC-NET)

Question

MCQ▾

In a fully-connected mesh network with 10 computers, total … Number of cables are required and … number of ports are required for each device.

Choices

Choice (4)Response

a.

45,9

b.

40,9

c.

45,10

d.

50,10

Question 422

Appeared in Year: 2016 (UGC-NET)

Question

MCQ▾

A server crashes on the average once in 30 days, that is, the Mean Time Between Failures (MTBF) is 30 days. When this happens, it takes 12 hours to reboot it, that is, the Mean Time to Repair (MTTR) is 12 hours. The availability of server with these reliability data values is approximately:

Choices

Choice (4)Response

a.

97.3 %

b.

98.3 %

c.

99.3 %

d.

96.3 %

Question 423

Appeared in Year: 2016 (UGC-NET)

Question

MCQ▾

Suppose that we have numbers between 1 and 1000 in a binary search tree and want to search for the number 364. Which of the following sequences could not be the sequence of nodes examined?

Choices

Choice (4)Response

a.

3, 400, 388, 220, 267, 383, 382,279, 364

b.

925, 221, 912, 245, 899, 259,363, 364

c.

926, 203, 912, 241, 913,246, 364

d.

3, 253, 402, 399, 331, 345,398, 364

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