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单选题
While troubleshooting a network， you need to verify the liveness of hosts in the subnet 192.168.1.64/26. All of the hosts are able to reply to ping requests. How would you confirm the existing nodes using one single command？（）
A
ping 192.168.1.255
B
ping with sweep option
C
ping 192.168.1.127
D
ping 192.168.1.64
E
ping with broadcast option
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考题
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考题
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考题
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考题
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考题
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考题
Your network contains a server named Server1 that runs Windows Server 2008 R2.You discover that the server unexpectedly shut down several times during the past week.You need to identify what caused the shutdowns and which software was recently installed. What should you click from Action Center？（）A、Maintenance, and then View reliability historyB、Troubleshooting, and then ProgramsC、Troubleshooting, and then System and SecurityD、Troubleshooting, and then View history
考题
You are the network administrator for Company.You need to connect to Company’s network from your Windows 2000 Professional computer at home.You have a DSL line that is used for Internet connectivity. You create an L2TP virtual private network（VPN） connection and are able to connect successfully to Company’s network. While connected toCompany’s network， you are unable to access the Internet.You want to be able to access the Internet while connected to Company’s network.How should you configure the connection properties？（）A、Configure the DSL connection to use PPTP instead of L2TP. B、Enable Internet Connection Sharing for the DSL connection properties. C、CLEAR THE Use default gateway on remote network check box. D、Clear the Require data encryption check box.
考题
单选题While troubleshooting a network connectivity issue, you suspect that a router may be missing a route, or may be receiving bad routing information to a destination. What command should you issue to view the route that the router will use to reach a given destination?（）A
pingB
traceC
show ip routeD
show interfaceE
show cdp neighbors
考题
单选题While troubleshooting a network outage, you discover that an employee brought a switch from home into the office to connect additional equipment to the network. In order to increase his speed, he connected this switch to both network ports in his office, resulting in a bridge loop. Which of these can you implement to prevent future occurrences of this issue?（）A
RSTPB
root guardC
BPDU guardD
GLBP
考题
单选题You are the network administrator of a small Layer 2 network with 50 users. Lately， users have beencomplaining that the network is very slow. While troubleshooting， you notice that the CAM table of yourswitch is full， although it supports up to 12， 000 MAC addresses. How can you solve this issue and preventit from happening in the future？（）A
Upgrade the switchesB
Configure BPDU guardC
Configure VLAN access listsD
Configure port securityE
Configure Dynamic ARP inspection
考题
单选题You are designing a Windows 7 deployment image. You receive a baseline image over the network， from a different geographic location. You need to verify that the baseline image is valid. Which tool should you use？（）A
ImageXB
Windows Compatibility EvaluatorC
Windows System Image Manager （Windows SIM）D
the Deployment Image Servicing and Management （DISM） tool
考题
多选题You need to identify the types of inbound traffic that should pass through the perimeter firewall while maintaining the security of the network. Which inbound traffic should be allowed？ （）AVPN TrafficBDNS TrafficCLDAP TrafficDHTTP TrafficEHTTPS TrafficFTraffic from the network address of 192.168.10/24
考题
单选题You are the network administrator of a small Layer 2 network with 50 users. Lately， users have been complaining that the network is very slow. While troubleshooting， you notice that the CAM table of your switch is full， although it supports up to 12，000 MAC addresses. How can you solve this issue and prevent it from happening in the future？（）A
Upgrade the switchesB
Configure BPDU guardC
Configure VLAN access listsD
Configure port securityE
Configure Dynamic ARP inspection
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