Answer / guest

Answer: A

The following are the fields in an IP segment,

their length, and their definitions:

VERS (Version number - 16 bits)

HLEN (Number of 32-bit words in the header - 4 bits)

Type of Server (How the datagram should be handled - 32 bits)

Total Length (Total length of header and data - 32 bits)

Identification (Provide fragmentation of datagrams to allow

different MTUs in the internet - 4 bits)

Flags (Provide fragmentation of datagrams to allow different

MTUs in the internet - 4 bits)

Frag Offset (Provide fragmentation of datagrams to allow

different MTUs in the internet - 6 bits)

TTL (Time-To-Live - 6 bits)

Protocol (Upperlayer protocol sending the datagram - 16 bits)

Header Checksum )Integrity check on the header - 16 bits)

Source IP Address (32 bits)

Destination IP Address (32 bits)

IP Options (network testing, debugging, security and others

- 4 bits)

Data (4 bits).

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