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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
RSTP
B
root guard
C
BPDU guard
D
GLBP
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更多 “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” 相关考题
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While troubleshooting a connectivity problem on the network, you issue the ping command from your PC command prompt, but the output shows "request times out."At which OSI layer is this problem associated with?A．The data link layerB．The application layerC．The access layerD．The session layerE．The network layer
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考题
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
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
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As an experienced network engineer, you are asked to troubleshoot a CIS network outage. During the troubleshooting process, you notice that one of your colleagues connects additional devices to the network with the use of his own switch. With the purpose of improving speed, the switch is attached to both network ports in an office, which leads to bridge loop. Enabling which of the following feature will be able to prevent this problem from happening again?（）A、GLBPB、RSTPC、BPDU guardD、root guard
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While you are troubleshooting network performance issues， you notice that a switch is periodically flooding all unicast traffic. Further investigation reveals that periodically the switch is also having spikes in CPU utilization， causing the MAC address table to be flushed and relearned. What is the most likely cause of this issue？（）A、a routing protocol that is flooding updatesB、a flapping port that is generating BPDUs with the TCN bit setC、STP is not running on the switchD、a user that is downloading the output of the show-tech commandE、a corrupted switch CAM table
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You are the administrator of a Windows Server 2003 computer named Server1. You log on to Server1 and attempt to access the network. You discover that the server is not communicating on the network. You discover that a service pack and an updated network adapter driver were installed on Server1 the previous night. A complete backup, including the System State data, was performed before the service pack and the driver were installed. You need to restore network communications. What should you do first? （）A、Use Roll Back Driver to reinstall the previous driver for the network adapter.B、Use the Backup or Restore Wizard to restore the backup from the previous night.C、Restart Server1 by using the Last Known Good Configuration option.D、Use the Registry Editor to delete the registry settings for the network adapter driver.
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
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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 maneuvering, you discover heavy smoke coming from the turbocharger casing, you should （）A
check the air filter for dirtB
check for an exhaust leakC
check the cooling water temperatureD
notify the bridge that you are going to shut the engine down
考题
单选题You are the network administrator for . You are the administrator of a Windows Server 2003 computer named TestKing8. You log on to TestKing8 and attempt to access the network. You discover that the server is not communicationg on the network. You discover that a service pack and an updated network adapter driver were installed on TestKing8 the previous night. A complete backup, including the System State data, was performed before the service pack and the driver were installed. You need to restore network communications. What should you do first?（）A
Use Roll Back Driver to reinstall the previous driver for the network adapter.B
Use the Backp or Restore Wizard to restore the backup from the previous night.C
Restart TestKing8 by using Last Known Good Configuration option.D
Use the Registry Editor to delete the registry settings for the network adapter driver.
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 connect your computer to a wireless network. You discover that this new connection fails to show in the Connect to a network window. You need to view this connection in the Connect to a network window. What should you do？（）A
Click the Diagnose and repair link.B
Enable the Turn on notification of new networks option.C
Configure the Connect to a network window to show all networks.D
Disable the Connect automatically when this network is in range option， and then enable the Connect even if the network is not broadcasting option.
考题
单选题While you are troubleshooting network performance issues， you notice that a switch is periodically flooding all unicast traffic. Further investigation reveals that periodically the switch is also having spikes in CPU utilization， causing the MAC address table to be flushed and relearned. What is the most likely cause of this issue？（）A
a routing protocol that is flooding updatesB
a flapping port that is generating BPDUs with the TCN bit setC
STP is not running on the switchD
a user that is downloading the output of the show-tech commandE
a corrupted switch CAM table
考题
多选题While troubleshooting a routing problem on the company EIGRP network you discover that one ofthe routers is failing to establish adjacencies with its neighbor. What is a likely cause of thisproblem between neighbors？（）AThe K-values do not matchBThe hold times do not matchCThe hello times do not matchDThe AS numbers do not match
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
考题
单选题You install a new hardware router that provides wireless network connectivity between your computer and the Internet. You connect to the router by using a wireless network adapter. Your computer is able to access the Internet but is unable to discover other computers in the local wireless network. You need to configure the wireless connection to allow your computer to discover other computers. What should you do？（）A
Configure the network category of your wireless network connection to Private.B
Configure the network category of your wireless network connection to Public.C
Configure the TCP/IP packet filtering on the wireless network connection.D
Configure the wireless network connection with the appropriate authentication to the router.
考题
单选题You are the administrator of a Windows 2000 network. You install Windows 2000 Professional on a new computer and configure the TCP/IP settings to have a static IP address. While testing network connectivity from the new computer, you discover an error in the DNS server address that is configured in the TCP/IP settings. You configure the correct DNS server address, which is 10.1.1.5. However, you are still unable to successfully connect to network resources by name. You run the IPconfig/all command. The results indicate that the DNS server address is now configured as 0.0.0.0 You need to ensure that the computer can connect to network resources by name. What should you do?（）A
Stop and restart the DNS Client service.B
Add 10.1.1.5 to the DNS server list on the TCP/IP Advanced Properties tab.C
Add an A （host） record for the computer to the DNS server’s zone file.D
Configure your DHCP server to have a DNS server address of 10.1.1.5.
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