单选题A router has been configured with the settings shown below: [edit] user@host# show system authentication-order authentication-order [ radius tacplus ]; The router also has a local database that contains the user lab with password lab123. What would hap

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单选题

A router has been configured with the settings shown below: [edit] user@host# show system authentication-order authentication-order [ radius tacplus ]; The router also has a local database that contains the user lab with password lab123. What would happen if both the RADIUS and the TACACS servers are not accessible?（）

The user lab will not be able to login.

The user lab will be authenticated against the local database and will be able to login.

The user lab will receive an error message indicating the router is unable to authenticate due to the authentication servers not responding.

The user will be able to login only if tries to login as the root user.

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相似问题和答案

第1题：

Router R1 is configured as shown below:router eigrp 100network 10.0.0.0eigrp stubBased on the information shown above, which two types of routes will be advertised?()

A. Receive - only

B. Stub

C. Static

D. Summary

E. Connected

F. Dynamic

参考答案：D, E

第2题：

Refer to the exhibit. Switch port FastEthernet 0/24 on AlSwitch1 will be used to create an IEEE 802.1Q- complaint trunk to another switch. Based on the output shown, What is the reason the trunk does not form, even thought the proper cabling has been attached?（）

A.VLANs have not been created yet

B.An IP address must be configured for the port

C.The port is currently configured for access mode

D.The correct encapsulation type has not been configured

E.The no shutdown command has not been entered for the port

参考答案：C

第3题：

A router has been configured with the settings shown below:[edit]user@host show system authentication-order authentication-order [ radius tacplus ];The router also has a local database that contains the user lab with password lab123. What would happen if both the RADIUS and the TACACS servers are not accessible?（）

A.The user lab will not be able to login.

B.The user lab will be authenticated against the local database and will be able to login.

C.The user lab will receive an error message indicating the router is unable to authenticate due to the authentication servers not responding.

D.The user will be able to login only if tries to login as the root user.

参考答案：B

第4题：

The Frame Relay network in the diagram is not functioning properly. What is the cause of the problem?（）

A、The Gallant router has the wrong LMI type configured
B、Inverse ARP is providing the wrong PVC information to the Gallant router
C、The S3 interface of the Steele router has been configured with the frame-relay encapsulation ietf command
D、The frame-relay map statement in the Attalla router for the PVC to Steele is not correct
E、The IP address on the serial interface of the Attalla router is configured incorrectly

正确答案:D

第5题：

Refer to the exhibit. Which statement is correct based on the show login command output shown？（）

A、When the router goes into quiet mode， any host is permitted to access the router via Telnet，SSH， and HTTP，since the quiet-mode access list has not been configured.
B、The login block-for command is configured to block login hosts for 93 seconds.
C、All logins from any sources are blocked for another 193 seconds.
D、Three or more login requests have failed within the last 100 seconds.

正确答案:D

第6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7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8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9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10题：

How can an 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

A router has been configured with the settings shown below:

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