GATE CSE 2007 | GATE CSE Year Wise Previous Years Questions

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GATE CSE 2007

MCQ (Single Correct Answer)

-0.6

Match the following:

List - I

(P) SMTP
(Q) BGP
(R) TCP
(S) PPP

List - II

(1) Application layer
(2) Transport layer
(3) Data link layer
(4) Network layer
(5) Physical layer

P - 2 Q - 1 R - 3 S - 5

P - 1 Q - 4 R - 2 S - 3

P - 1 Q - 4 R - 2 S - 5

P - 2 Q - 4 R - 1 S - 3

GATE CSE 2007

MCQ (Single Correct Answer)

-0.3

Which one of the following uses UDP as the transport protocol?

HTTP

Telnet

DNS

SMTP

GATE CSE 2007

MCQ (Single Correct Answer)

-0.6

The address of a class B host is to be split into subnets with a 6-bit subnet number. What is the maximum number of subnets and the maximum number of hosts in each subnet?

62 subnets and 262142 hosts.

64 subnets and 262142 hosts.

62 subnets and 1022 hosts.

64 subnets and 1024 hosts.

GATE CSE 2007

MCQ (Single Correct Answer)

-0.6

The distance between two stations M and N is L kilometers. All frames are K bits long. The propagation delay per kilometer is t seconds. Let R bits/second be the channel capacity. Assuming that processing delay is negligible, the minimum number of bits for the sequence number field in a frame for maximum utilization, when the sliding window protocol is used, is:

$$\left\lceil {{{\log }_2}{{2LtR + 2K} \over K}} \right\rceil $$

$$\left\lceil {{{\log }_2}{{2LtR} \over K}} \right\rceil $$

$$\left\lceil {{{\log }_2}{{2LtR + K} \over K}} \right\rceil $$

$$\left\lceil {{{\log }_2}{{2LtR + 2K} \over {2K}}} \right\rceil $$

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