问题
问答题 简答题
请简述TCP和UDP协议的区别？
答案
参考答案：
TCP协议的特点：面向连接，可靠传输，支持流量控制，传输速度较UDP慢，议开销较UDP大，UDP协议的特点：不可靠；面向无连接，高效，适用于传输对实时性要求较高的应用，不提供流量控制，速度较快，协议开销小
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请简述TCP和UDP协议的区别？
参考答案：
TCP协议的特点：面向连接，可靠传输，支持流量控制，传输速度较UDP慢，议开销较UDP大，UDP协议的特点：不可靠；面向无连接，高效，适用于传输对实时性要求较高的应用，不提供流量控制，速度较快，协议开销小
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| Hi! I am big and tall. I have a long nose and two big ears. My legs are very strong (强壮). I have two long teeth (牙齿). I am gray (灰色). Who (谁) am I? I have a good friend. She has two long ears, one little nose and two big eyes. She is white and pretty. She likes carrots (胡萝卜). Who is she? Do you know? | ||
| 1. I have a long and two long . | ||
[ ] | ||
| A. ears, teeth B. nose, teeth C. nose, legs | ||
| 2. What colour am I? I am . | ||
[ ] | ||
| A. gray B. white C. brown | ||
| 3. Who am I? An . | ||
[ ] | ||
| A. wolf (大灰狼) B. bird (小鸟) C. elephant (大象) | ||
| 4. Who is my friend? The . | ||
[ ] | ||
| A. rabbit (白兔) B. duck (鸭子) C. swan (天鹅) | ||
| 5. Please draw us! Can you? |