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8.1. Which of the following features are usually expected to be provided by transport protocol ? 下列哪些是傳輸層協議通常預期具有的特色 ? |
| (a) Guaranteed message delivery. 可靠的訊息傳遞 | |
| (b) Delivers messages in the same order they were sent. 訊息傳遞順序與發送順序相同 | |
| (c) Delivers at most one copy of each message. 一個訊息最多只會傳遞一份 | |
| (d) Supports finite length of messages. 訊息有大小限制 | |
| (e) Allows the receiver to apply flow control to the sender. 允許接收端對傳送端執行流量控制 | |
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8.2. Which of the following are typical limitations of the network service (like IP of Internet) on which transport protocol will operate ?
下列哪些是傳輸層下層的網路層(如:IP網路)的典型限制?
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| (a) Drop messages. 會丟棄訊息 | |
| (b) Deliver only one copy of a given message. 一個訊息只會傳遞一份 | |
| (c) Reorder messages. 訊息遞送順序與發送順序可能不同 | |
| (d) Limit messages to some finite size. 訊息有大小限制 | |
| (e) Deliver messages within a bounded delay. 訊息遞送的時間延遲能控制在某個有限值內 | |