IP 协议关键特性详解 | AI生成和翻译

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Question: Which of the following best describes the characteristics of the IP protocol?

A. Connection-oriented, reliable packet delivery protocol
B. Connection-oriented, unreliable packet delivery protocol
C. Connectionless, reliable packet delivery protocol
D. Connectionless, unreliable packet delivery protocol

Answer:

The correct answer is D. Connectionless, unreliable packet delivery protocol

Detailed Explanation:

IP protocol (Internet Protocol) 具有以下基本特性:

Quick comparison of common protocols:

Protocol Connection-oriented? Reliable? Main responsibility Layer
IP No No Addressing & best-effort routing Network (Layer 3)
TCP Yes Yes Reliable, ordered, error-checked delivery Transport (Layer 4)
UDP No No Simple, fast, connectionless datagram Transport (Layer 4)

Why the other options are wrong:

Key exam takeaway (very frequently tested):

IP = connectionless + unreliable (best-effort)
TCP = connection-oriented + reliable
UDP = connectionless + unreliable

Correct answer: D

References:


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