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1.9.Which of the following statements are correct for delivering packets (datagrams) over the Internet ?
下列哪些對於透過互聯網遞送封包(資料段)的敘述是正確的
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| (a)All packets destined to the same destination will be forwarded along the same routing path. 所有要送給同一目的地主機的封包,都會沿著相同的路徑傳送給該目的地主機。 | |
| (b)The routing path of a packet is determined first before the packet is sending into the Internet. 一個封包的路由路徑在傳送進網路前就會被決定。 | |
| (c)The Internet is reliable so that all packets will be received by the destination correctly. 互聯網是非常可靠的,因此所有封包都可以被目的地主機正確收到。 | |
| (d)A packet may be partitioned into several fragments by routers. 一個封包可能會被路由器分成好幾個小封包(資料片段)。 | |
| (e)All fragments of a packet will be forwarded along the same path to the destination. 所有的小封包(資料片段)都將會透過相同的路徑被傳送到目的地主機。 |