Which transport protocol is commonly described as fire-and-forget because it does not guarantee delivery?

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Multiple Choice

Which transport protocol is commonly described as fire-and-forget because it does not guarantee delivery?

Explanation:
Delivery guarantees distinguish transport protocols. UDP is connectionless and uses a best‑effort delivery model; there’s no handshake, no acknowledgments, and no retransmission of lost packets. Because of this, once you send a datagram, there’s no built-in mechanism to confirm it arrived, so it’s often described as fire‑and‑forget. This makes UDP fast and lightweight, suitable for applications where occasional loss is acceptable. In contrast, TCP is connection‑oriented and guarantees delivery through acknowledgments and retransmissions; IP is a network‑layer protocol, not a transport protocol; ICMP is used for control messages and diagnostics rather than reliable data transport.

Delivery guarantees distinguish transport protocols. UDP is connectionless and uses a best‑effort delivery model; there’s no handshake, no acknowledgments, and no retransmission of lost packets. Because of this, once you send a datagram, there’s no built-in mechanism to confirm it arrived, so it’s often described as fire‑and‑forget. This makes UDP fast and lightweight, suitable for applications where occasional loss is acceptable. In contrast, TCP is connection‑oriented and guarantees delivery through acknowledgments and retransmissions; IP is a network‑layer protocol, not a transport protocol; ICMP is used for control messages and diagnostics rather than reliable data transport.

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