1
GATE CSE 2025 Set 2
MCQ (Single Correct Answer)
+1
-0.33

A machine receives an IPv4 datagram. The protocol field of the IPv4 header has the protocol number of a protocol X .

Which ONE of the following is NOT a possible candidate for X ?

A
Internet Control Message Protocol (ICMP)
B
Internet Group Management Protocol (IGMP)
C
Open Shortest Path First (OSPF)
D
Routing Information Protocol (RIP)
2
GATE CSE 2025 Set 2
MCQ (Single Correct Answer)
+1
-0.33

Consider a network that uses Ethernet and IPv4. Assume that IPv4 headers do not use any options field. Each Ethernet frame can carry a maximum of 1500 bytes in its data field. A UDP segment is transmitted. The payload (data) in the UDP segment is 7488 bytes. Which ONE of the following choices has the CORRECT total number of fragments transmitted and the size of the last fragment including IPv4 header?

A
5 fragments, 1488 bytes
B
6 fragments, 88 bytes
C
6 fragments, 108 bytes
D
6 fragments, 116 bytes
3
GATE CSE 2024 Set 2
MCQ (More than One Correct Answer)
+1
-0

Node X has a TCP connection open to node Y. The packets from X to Y go through an intermediate IP router R. Ethernet switch S is the first switch on the network path between X and R. Consider a packet sent from X to Y over this connection.

Which of the following statements is/are TRUE about the destination IP and MAC addresses on this packet at the time it leaves X?

A

The destination IP address is the IP address of R

B

The destination IP address is the IP address of Y

C

The destination MAC address is the MAC address of S

D

The destination MAC address is the MAC address of Y

4
GATE CSE 2024 Set 2
MCQ (More than One Correct Answer)
+1
-0

Which of the following statements about IPv4 fragmentation is/are TRUE?

A

The fragmentation of an IP datagram is performed only at the source of the datagram

B

The fragmentation of an IP datagram is performed at any IP router which finds that the size of the datagram to be transmitted exceeds the MTU

C

The reassembly of fragments is performed only at the destination of the datagram

D

The reassembly of fragments is performed at all intermediate routers along the path from the source to the destination

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