多項選擇題A national retail chain needs to design an IP addressing scheme to support a nationwide network. The company needs a minimum of 300 sub-networks and a maximum of 50 host addresses per subnet. Working with only one Class B address, which of the following subnet masks will support an appropriate addressing scheme? ()

A.255.255.255.0
B.255.255.255.128
C.255.255.252.0
D.255.255.255.224
E.255.255.255.192
F.255.255.248.0


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2.單項選擇題IP地址中,網(wǎng)絡(luò)部分全0表示()。

A.主機地址
B.網(wǎng)絡(luò)地址
C.所有主機
D.所有網(wǎng)絡(luò)

3.單項選擇題On point-to-point networks, OSPF hello packets are addressed to which address()。

A.127.0.0.1
B.172.16.0.1
C.192.168.0.5
D.223.0.0.1
E.224.0.0.5
F.254.255.255.255

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

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

5.多項選擇題

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.

7.多項選擇題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

9.多項選擇題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

10.多項選擇題下面接口為物理接口的有()。

A.dialer
B.語音接口
C.serial口
D.子接口
E.CE1/PRI接口
F.虛擬接口模板
G.ISDNBRI接口
H.備份中心邏輯通道

最新試題

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請參見圖示。網(wǎng)絡(luò)中的主機A 正在向主機B 發(fā)送數(shù)據(jù)段。有關(guān)所交換的數(shù)據(jù)段的流量控制如圖所示。下列關(guān)于此通信的陳述,哪兩項是正確的?()

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在路由器上使用Router#copy running-config startup-config 命令會產(chǎn)生什么效果?()

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請參見圖示。RouterB 已經(jīng)過正確配置。RouterA 的以太網(wǎng)接口Fa0/0已使用如圖所示的命令進行配置。但是,從RouterA 的Fa0/0接口無法成功ping 通RouterB 的Fa0/0接口。應(yīng)在RouterA 上采取什么措施來解決此問題?()

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請參見圖示。當(dāng)計算機A 向計算機D 發(fā)送幀時,哪些計算機會接收該幀?()

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請參見圖示。一臺主機正使用NAT 連接到Internet。下列哪三項IP 地址可實現(xiàn)此連接?()

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請參見圖示。某用戶想要查看當(dāng)前的配置。圖中所示為ipconfig/all 命令的輸出。從此輸出可以得到哪三項結(jié)論?()

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請參見圖示。網(wǎng)絡(luò)中的所有設(shè)備均使用默認(rèn)配置。此拓?fù)渲行枰嗌賯€邏輯地址范圍?()

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