1
GATE CSE 2015 Set 2
+2
-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?
A
6 and 925
B
6 and 7400
C
7 and 1110
D
7 and 8880
2
GATE CSE 2015 Set 2
+2
-0.6
Consider the following routing table at an IP router:

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.

A
i - a, ii - c, iii - e, iv - d
B
i - a, ii - d, iii - b, iv - e
C
i - b, ii - c, iii - d, iv - e
D
i - b, ii - c, iii - e, iv - d
3
GATE CSE 2015 Set 2
+1
-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
A
listen, accept, bind recv
B
bind, listen, accept, recv
C
bind, accept, listen, recv
D
accept, listen, bind recv
4
GATE CSE 2015 Set 2
+2
-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
A
63 milliseconds, $$65535 \times {2^{14}}$$
B
63 milliseconds, $$65535 \times {2^{16}}$$
C
500 milliseconds, $$65535 \times {2^{14}}$$
D
63 milliseconds, $$65535 \times {2^{16}}$$
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