Question: Consider an IPv4 datagram with a standard header and a total length of 1400 bytes. The datagram is carrying a UDP segment. No differentiated services

Consider an IPv4 datagram with a standard header and a total length of 1400 bytes. The datagram is carrying a UDP segment. No differentiated services or priority classes are defined through its TOS bits. The default TTL value is 64. The datagram need not be fragmented through any of the links, its fragmentation control flags are set to 000, and its identifier field value is set to 255. The source node IP address is 16.1.1.3/8 and the destination node IP address is 24.1.1.4/8.

a. Determine the datagram header at the source.

b. Determine the datagram header after it has been processed by the second router in the path.

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