BD Merit - Freelancing, BCS, Bank, Primary, Admission, NTRCA

1 . .....provides a connection- oriented reliable service for sending massage.

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Answer: Option A

Explanation:

IP is a unreliable protocol because it does not guarantee the delivery of a datagram to its destination.

The reliability must be provided by the upper layer protocols like TCP.

IP does not support flow control, retransmission, acknowledgement and error recovery.