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1.
.....provides a connection- oriented reliable service for sending massage.
- A. TCP
- B. TCP
- C. TCP
- D. TCP
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.
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