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Which fields of an IP packet provide for fragmentation of

datagrams to allow differing MTUs in the internet?

A. Identification

B. Flags

C. Frag Offset

D. Type of Service

E. Total Length



Which fields of an IP packet provide for fragmentation of datagrams to allow differing MTUs in th..

Answer / guest

Answer: A, B & C

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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