CCNA系列認(rèn)證單項選擇題每日一練(2020.06.10)

單項選擇題
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?（）
A. show ip links
B. show cdp neighbor
C. show cdp neighbor detail
D. show ip clients
E. show ip route
F. None of the above
單項選擇題
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?（）
A. Install anti-virus software on the student computers.
B. Put the faculty computers in a separate VLAN.
C. Power down the switches that connect to faculty computers when they are not in use.
D. Remove the student computers from the network and put them on a peer-to-peer network.
E. Create an access list that blocks the students from the Internet where the hacking tolls are located.
單項選擇題
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?（）
A.Add two more FastEthernet interfaces.
B.Add a second router to handle the vlan traffic.
C.Use a hub to connect the four vlans with a FastEthernet interface on router.
D.Implement a router-on-a-stick configuration.
單項選擇題
當(dāng)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？（）
A. exstart state>exchange state>loading state>full state
B. exstart state>full state>loading state>exchange state
C. Loading state>exchange state>full state>exstart state
D. exstart state>loading state>exchange state>full state
單項選擇題
Which Cisco support service product targets customers with up to 48 users on a network where voice communication is mission-critical to business operation?（）
A. CiscoSMARTnet for SBCS
B. Cisco Smart Care Service
C. SMARTnet Partner Service
D. Cisco Smart Foundation Service
E. Cisco Technical Assistance Center

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