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1
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

2
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

3
GATE CSE 2024 Set 2
MCQ (More than One Correct Answer)
+1
-0

Which of the following fields of an IP header is/are always modified by any router before it forwards the IP packet?

A

Source IP Address

B

Protocol

C

Time to Live (TTL)

D

Header Checksum

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

Which of the following fields is/are modified in the IP header of a packet going out of a network address translation (NAT) device from an internal network to an external network?

A

Source IP

B

Destination IP

C

Header Checksum

D

Total Length

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