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A Cisco router has been configured, and the copy running-con

题目
单选题
A Cisco router has been configured, and the copy running-config startup-config command has been issued. When the router is power cycled, the router prompts with: "Would you like to enter the initial configuration dialog? [yes/no]" Why has this occurred?（）
A

There is an error in the router DRAM.

B

Te IOS image is corrupt.

C

The configuration register is set to 0x2142.

D

The TFTP server that contains the router configuration file is unreachable.

E

A boot system configuration command has placed the router into setup mode.

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相似问题和答案

第1题：

Refer to the exhibit. EIGRP has been configured on routers R1 and R2. However, R1 does not show R2 as a neighbor and does not accept routing updates from R2.What could be the cause of the problem?()

A. The no auto - summary command has not been issued under the EIGRP process on both routers.

B. Interface E0 on router R1 has not been configured with a secondary IP address of 10.1.2.1/24.

C. EIGRP cannot exchange routing updates with a neighbor‘s router interface that is configured with tw o IP addresses.

D. EIGRP cannot form neighbor relationship and exchange routing updates with a secondary address.


参考答案：D

第2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While troubleshooting a network problem,a technician discovers that the current copy of the Cisco IOS is outdated and needs to be updated.Which of the following commands would the technician issue to replace the Cisco router IOS with the newer version?（）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 flash

B. Router(config)#restore flash

C. Router(config)#repair flash

D. Router#copy flash run

E. Router>copy start flash

F. Router#copy start flash


参考答案：A

第3题：

How can a Ezonexam administrator determine if a router has been configured when it is first powered up?

A．A configured router prompts for a password

B．A configured router goes to the privileged mode prompt

C．An un configured router goes into the setup dialog

D．An un configured router goes to the enable mode prompt


正确答案：C
解析：Explanation:
If a non-configured router is started, then it goes into setup mode and ask for the minimum configuration parameters (hostname, IP address to interfaces, enable password, etc). If the router is already configured it boots by implementing the saved startup-config.

第4题：

A switch has been configured with two vlans and is connected to a router with a trunk for inter-vlan routing.OSPF has been configured on the router，as the routing protocol for the network.Which statement about thisnetwork is true？（）

  • A、For the two vlans to communicate，a network statement for the trunk interface needs to be added to the  OSPF configuration.
  • B、For the two vlans to communicate， a network statement for each subinterface needs to be  added  to the OSPF configuration.
  • C、Direct inter-vlan communication does not require OSPF
  • D、OSPF cannot be used if router-on-a-stick is configured on the router

正确答案:C

第5题：

What is the most likely reason that an IBGP route that has been selected as a best route is not entered into the IP routing table?（）

  • A、Route reflectors are not passing updates properly.
  • B、BGP synchronization has been enabled.
  • C、The next-hop address is unreachable.
  • D、No loopback interface has been configured on a router.

正确答案:B

第6题：

A Cisco router has been configured with the following command:IP nat pool nat－test 192.168.6.10 192.168.6.20 netmask 255.255.255.0his is an example of what type of NAT?()

A. Static NAT

B. Dynamic NAT

C. Dynamic NAT with overload

D. Port Address Translation

E. None of the above


参考答案：B

第7题：

A company has a small network,consisting of a single switch and a single router.The switch has been configured with two vlans,and route-on-a-stick is being configured on the router for inter-vlan routing.A trunk is configured to connect the switch to the router.What is the minimum number of router subinterfaces that are required for all the vlans to communicate?（）

A. one

B. three

C. two

D. zero


参考答案：C

第8题：

An administrator types in the command router ospf 1 and receives the er ror message: "OSPF process 1 cannot start." (Output is omitted.) What should be done to correctly set up OSPF?()

A. Ensure that an interface has been configured with an IP address

B. Ensure that IP classless is enabled

C. Ensure that the interfaces can ping their directly connected neighbors

D. Ensure that an interface has been configured with an IP address and is up


参考答案：D

第9题：

Cisco Express Forwarding has been enabled on router TK1.  With CEF， prefixes that require exception processing can be cached with one of which four special adjacencies？ （）

  • A、Kick
  • B、Drop
  • C、Forward
  • D、Null
  • E、Discard
  • F、Glean
  • G、Express

正确答案:B,D,E,F

第10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 flash
  • B、Router(config)#restore flash
  • C、Router(config)#repair flash
  • D、Router#copy flash run
  • E、Router>copy start flash
  • F、Router#copy start flash

正确答案:A

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