CCNA系列認證單項選擇題每日一練(2020.06.10)

來源：考試資料網(wǎng)

1 You are logged into a router and with to view the layer 3 information about your neighboring Cisco routers. What IOS command gives layer 3 information for of the directly connected router interfaces?（）

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2 A college has a small campus where 25 faculty members are located. The faculty offices and student computers are currently on the same network. The faculty are concerned about students being able to capture packets going across the network and obtain sensitive material. What could a network administrator do to protect faculty network traffic from student connections?（）

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3 A router has two FastEthernet interfaces and needs to connect to four vlans in the local network.How can you accomplish this task,using the fewest physical interfaces and without decreasing network performance?（）

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4 當路由器在經(jīng)歷了OSPF交換協(xié)議，它以什么順序通過每個狀態(tài)呢？（）

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5 Which Cisco support service product targets customers with up to 48 users on a network where voice communication is mission-critical to business operation?（）

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