GATE CSE 2015 Set 2 | GATE CSE Year Wise Previous Years Questions

GATE CSE 2015 Set 2

MCQ (Single Correct Answer)

-0.6

Host A sends a UDP datagram containing 8880 bytes of user data to host B over an Ethernet LAN. Ethernet frames may carry data up to 1500 bytes (i.e. MTU = 1500 bytes). Size of UDP header is 8 bytes and size of IP heard is 20 bytes.There is no option field in IP header How many total number of IP fragments will be transmitted and what will be the contents of offset field in the last fragment?

6 and 925

6 and 7400

7 and 1110

7 and 8880

GATE CSE 2015 Set 2

MCQ (Single Correct Answer)

-0.6

Consider the following routing table at an IP router: GATE CSE 2015 Set 2 Computer Networks - Network Layer Question 15 English 1

For each IP address in Group I identify the correct choice of the next hop from Group II using the entries from the routing table above.

GATE CSE 2015 Set 2 Computer Networks - Network Layer Question 15 English 2

i - a, ii - c, iii - e, iv - d

i - a, ii - d, iii - b, iv - e

i - b, ii - c, iii - d, iv - e

i - b, ii - c, iii - e, iv - d

GATE CSE 2015 Set 2

MCQ (Single Correct Answer)

-0.3

Identify the correct order in which a server process must invoke the function calls accept, bind, listen, and recv according to UNIX socket APL

listen, accept, bind recv

bind, listen, accept, recv

bind, accept, listen, recv

accept, listen, bind recv

GATE CSE 2015 Set 2

MCQ (Single Correct Answer)

-0.6

Assume that the bandwidth for a TCP connection is 1048560 bits/sec. Let $$\alpha $$ be the value of RTT in milliseconds(rounded off to the nearest integer) after which the TCP window scale option is needed. Let $$\beta $$ be the maximum possible window size the window scale option. Then the values of $$\alpha $$ and $$\beta $$ are

63 milliseconds, $$65535 \times {2^{14}}$$

63 milliseconds, $$65535 \times {2^{16}}$$

500 milliseconds, $$65535 \times {2^{14}}$$

63 milliseconds, $$65535 \times {2^{16}}$$

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