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单选题
When you are troubleshooting an ACL issue on a router,which command can help you to verify which interfaces are affected by the ACL?（）
A
show ip access-list
B
show access-list
C
list ip interface
D
show interface
E
show ip interface
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考题
You are troubleshooting a routing issue and need to check the hop－by－hop path to the 10.10.10.10 destination. Which three commands would display the path?()
A. user@router# traceroute 10.10.10.10B. user@router ping record-route 10.10.10.10C. user@routertraceroute 10.10.10.10D. user@router# run traceroute 10.10.10.10E. user@router# ping record-route 10.10.10.10
考题
An administrator is troubleshooting a communication issue between two computers on the sameLayer 2 switch.Which of the following is the BEST way to determine if the switch is causing the issue?()
A. Setup an ACL that allows and logs all IP traffic between the two computersB. Configure a spanning tree to check for a loopC. Setup a span port on the switch to watch for CRC errorsD. Connect both computers using a crossover cable
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Router R1, a branch router, connects to the Internet using DSL. Some traffic flows through a GRE and IPsec tunnel, over the DSL connection, destined for an Enterprise network.Which of the following answers best describes the router‘s logic that tells the router, for a given packet, to apply GRE encapsulation to the packet?（）A. When the packet received on the LAN interface is permitted by the ACL listed on the tunnel greacl command under the incoming interfaceB. When routing the packet, matching a route whose outgoing interface is the GRE tunnel interfaceC. When routing the packet, matching a route whose outgoing interface is the IPsec tunnel interfaceD. When permitted by an ACL that was referenced in the associated crypto map
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
考题
While troubleshooting a network problem,a technician discovers that the current copy of the Cisco IOS is outdated and needs to be updated.Which of the following commands would the technician issue to replace the Cisco router IOS with the newer version?（）A. Router#copy tftp flashB. Router(config)#restore flashC. Router(config)#repair flashD. Router#copy flash runE. Routercopy start flashF. Router#copy start flash
考题
Which cisco ios command can help to determine the timing of various debug events,relative to each other,when you are debugging a complicated router issue?()
A. service timestamps debug datetime msecB. show clock detailC. clock calendar-validD. service timestamps log datetime msec
考题
When you are troubleshooting an ACL issue on a router,which command can help you to verify which interfaces are affected by the ACL?()
A.show ip access-listB.show access-listC.list ip interfaceD.show interfaceE.show ip interface
考题
Router R1, a branch router, connects to the Internet using DSL. Some traffic flows through a GRE and IPsec tunnel, over the DSL connection, destined for an Enterprise network. Which of the following answers best describes the router's logic that tells the router, for a given packet, to apply GRE encapsulation to the packet?（）A、When the packet received on the LAN interface is permitted by the ACL listed on the tunnel greacl command under the incoming interfaceB、When routing the packet, matching a route whose outgoing interface is the GRE tunnel interfaceC、When routing the packet, matching a route whose outgoing interface is the IPsec tunnel interfaceD、When permitted by an ACL that was referenced in the associated crypto map
考题
You need to configure a GRE tunnel on a IPSec router. When you are using the SDM to configurea GRE tunnel over IPsec， which two parameters are required when defining the tunnel interfaceinformation？（）A、The crypto ACL numberB、The IPSEC mode （tunnel or transport）C、The GRE tunnel interface IP addressD、The GRE tunnel source interface or IP address， and tunnel destination IP addressE、The MTU size of the GRE tunnel interface
考题
While troubleshooting a network problem,a technician discovers that the current copy of the Cisco IOS is outdated and needs to be updated.Which of the following commands would the technician issue to replace the Cisco router IOS with the newer version?（）A、Router#copy tftp flashB、Router(config)#restore flashC、Router(config)#repair flashD、Router#copy flash runE、Routercopy start flashF、Router#copy start flash
考题
At which command prompt would you issue the set date command?（）A、[edit chassis]user@router#B、[edit]user@router#C、[edit system] user@router#D、user@router
考题
Which cisco ios command can help to determine the timing of various debug events,relative to each other, when you are debugging a complicated router issue?（）A、service timestamps debug datetime msecB、show clock detailC、clock calendar-validD、service timestamps log datetime msec
考题
While troubleshooting connectivity issues, you log into a remote router. From there,you wish to see the layer 1 and layer 2 status of the interface. Which of the following IOS commands would you issue to check the current IP addressing, as well as theyer 1 and layer 2 status of an interface?（）A、TK1# show versionB、TK1# show protocolsC、TK1# show interfacesD、TK1# show controllersE、TK1# show ip interfaceF、TK1# show startup-config
考题
When you are troubleshooting an ACL issue on a router,which command can help you to verify which interfaces are affected by the ACL?（）A、show ip access-listB、show access-listC、list ip interfaceD、show interfaceE、show ip interface
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
考题
Which of the following is the LAST step an administrator should take when troubleshooting an issue？（）A、 Identify changes to the system.B、 Replicate the problem in the system.C、 Verify full system functionality. D、 Implement the solution.
考题
Your database is running in the ARCHIVELOG mode. You have configured RMAN for backup and recovery operations. You execute the following command from the RMAN prompt： RMAN CONFIGURE CONTROLFILE AUTOBACKUP ON； After executing this command， in which of the following cases will RMAN make an auto-backup of the control file？ （）A、 when you change the name of a datafileB、 when you drop a table from the databaseC、 when you take an export of the databaseD、 when you back up the database using OS utilitiesE、 when you issue an ALTER SYSTEM SWITCH LOGFILE statementF、 when you issue a BACKUP command from inside the RMAN run block
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An administrator is troubleshooting a communication issue between two computers on the same Layer 2 switch. Which of the following is the BEST way to determine if the switch is causing the issue?（）A
Setup an ACL that allows and logs all IP traffic between the two computersB
Configure a spanning tree to check for a loopC
Setup a span port on the switch to watch for CRC errorsD
Connect both computers using a crossover cable
考题
多选题When you are troubleshooting duplex mismatches， which two errors are typically seen on the full- duplexend？（）AruntsBFCS errorsCinterface resetsDlate collisions
考题
多选题You need to configure a GRE tunnel on a IPSec router. When you are using the SDM to configurea GRE tunnel over IPsec， which two parameters are required when defining the tunnel interfaceinformation？（）AThe crypto ACL numberBThe IPSEC mode （tunnel or transport）CThe GRE tunnel interface IP addressDThe GRE tunnel source interface or IP address， and tunnel destination IP addressEThe MTU size of the GRE tunnel interface
考题
单选题Which of the following is the LAST step an administrator should take when troubleshooting an issue？（）A
Identify changes to the system.B
Replicate the problem in the system.C
Verify full system functionality. D
Implement the solution.
考题
单选题You are troubleshooting a frame relay connection and wish to view the LMI traffic stats. Which command should you issue?（）A
Show interface lmiB
Show frame-relay lmiC
Show interface frame-relayD
Debug frame-relay interface.
考题
单选题At which command prompt would you issue the set date command?（）A
[edit chassis]user@router#B
[edit]user@router#C
[edit system] user@router#D
user@router
考题
单选题Which of the following is the FIRST step when troubleshooting an issue？（）A
Identify the problem.B
Verify full system functionality.C
Document all findings.D
Establish a theory of probable cause.
考题
多选题When you are troubleshooting duplex mismatches， which two errors are typically seen on the fullduplex end？（）AruntsBFCS errorsCinterface resetsDlate collisions
考题
多选题You are troubleshooting a routing issue and need to check the hop-by-hop path to the 10.10.10.10 destination. Which three commands would display the path?（）Auser@router# traceroute 10.10.10.10Buser@router ping record-route 10.10.10.10Cuser@routertraceroute 10.10.10.10Duser@router# run traceroute 10.10.10.10Euser@router# ping record-route 10.10.10.10
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