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7.12 Which of the following statements are correct for “Classless Inter-Domain Routing (CIDR)” ?
下列哪些對於“不分級網域間路由 (CIDR)”的敘述是正確的 ?
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| (a) A technique that deal with the size problem of backbone routing table. 是一個處理骨幹網路路由器路由表大小問題的技術 | |
| (b) It uses aggregate routes. Thus, uses a single entry in the forwarding table to tell the router how to reach a lot of different networks. 它使用累積路由,在路由表中的單一項目即可告訴路由器許多不同之網段 | |
| (c) The convention is to place a “/X” after the prefix where X is the prefix length in bits 習慣上會在前綴後加上“/X”, 而 X 的值表示此前綴的長度 (位元數) | |
| (d) The “prefix” for all the networks 192.4.16 through 192.4.31 is represented as 192.4.16/20 代表從192.4.16到192.4.31的網路的前綴是 192.4.16/20 | |
| (e) A single class C network number 192.4.16 is represented as 192.4.16/24 一個單一class C網路編號192.4.16可以表示成192.4.16/24 |