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單項(xiàng)選擇題改變您的Quidway路由器名字為myrouter時(shí)，應(yīng)輸入什么命令？（）

A.config myrouter
B.display myroter
C.sysname myrouter

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1.多項(xiàng)選擇題 Which of the following statements describe the network shown in the graphic?（）

A.There are two broadcast domains in the network.
B.There are four broadcast domains in the network.
C.There are six broadcast domains in the network.
D.There are four collision domains in the network.
E.There are five collision domains in the network.
F.There are seven collision domains in the network.

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2.單項(xiàng)選擇題對(duì)于訪問控制列表?xiàng)l件的判斷語句中，與子網(wǎng)掩碼類似的32位比特的數(shù)字字符串稱為（）。

A.IP地址
B.主機(jī)地址
C.網(wǎng)絡(luò)地址
D.通配符

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3.多項(xiàng)選擇題Which characteristics are representative of a link-state routing protocol? （）

A.provides common view of entire topology
B.exchanges routing tables with neighbors
C.calculates shortest path
D.utilizes event-triggered updates
E.utilizes frequent periodic updates

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4.單項(xiàng)選擇題一個(gè)A類地址，其子網(wǎng)掩碼是255.255.240.0，有多少位被用來劃分子網(wǎng)？（）

A.8
B.12
C.20
D.24

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5.多項(xiàng)選擇題Which two commands correctly verify whether port security has been configured on port FastEthernet 0/12 on a switch?（）

A.SW1#show swithport port-security interface FastEthernet 0/12
B.SW1#show swithport port-secure interface FastEthernet 0/12
C.SW1#show port-secure interface FastEthernet 0/12
D.SW1#show running-config

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