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單項(xiàng)選擇題

Which parameter can be tuned to affect the selection of a static route as a backup. when a dynamic protocol is also being used？（）

A.link bandwidth
B.hop count
C.link cost
D.administrative distance
E.link delay

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單項(xiàng)選擇題

某公司申請(qǐng)到一個(gè)C類IP地址，需要分配給8個(gè)子公司，最好的子網(wǎng)掩碼設(shè)應(yīng)為（）。

A.255.255.255.0
B.255.255.255.128
C.255.255.255.240
D.255.255.255.224

多項(xiàng)選擇題

Which of the following IP addresses fall into the CIDR block of 115.（）

A.115.64.8.32
B.115.64.7.64
C.115.64.6.255
D.115.64.3.255
E.115.64.5.128
F.115.64.12.128