After attempting to telnet into a router, you are denied and you receive the error message "password required, but none set." What configuration changes will allow telnet access into this router?()A.B.C.D.

题目
After attempting to telnet into a router, you are denied and you receive the error message "password required, but none set." What configuration changes will allow telnet access into this router?()

A.

B.

C.

D.

相似考题

1.After working all night and successfully configuring a Cisco router for the Ezonexam network you save your changes on the startup config, reboot the router, and go out for a cigarette. When you return, none of your changes are active and the router boots to the initial configuration mode! Which of the choices below indicates the source of your problem?A．Hardware failure in NVRAM prevents the router from loading the configB．Startup-config in flash is corrupt and cannot be analyzedC．Router configuration-register set to bypass startup configurationD．Startup-config in NVRAM is corrupt and cannot be analyzedE．None of the above

2.What is the purpose of pressing the Ctrl＋Break keys during the router password recover procedure?()A. To restart the router.B. To bypass the configuration in Flash.C. To view the password before changes are made.D. To bypass setup configuration mode.E. To access ROM Monitor mode.

3.You‘re the systems administrator at Testing, and you create the following access control lists.You then enter the command "ip access-group 101 in" to apply access control list 101 to router TK1s e0 interface.Which of the following Telnet sessions will be blocked as a result of your access lists?（）A. Telnet sessions from host A to host 5.1.1.10B. Telnet sessions from host A to host 5.1.3.10C. Telnet sessions from host B to host 5.1.2.10D. Telnet sessions from host B to host 5.1.3.8E. Telnet sessions from host C to host 5.1.3.10F. Telnet sessions from host F to host 5.1.1.10

4.You are a senior network administrator at Ezonexam, and while performing the password recovery procedure on your 2500 series Cisco router, you type in the following command:o/r 0x2142What is the purpose of this command?A．It is used to restart the router.B．It is used to bypass the configuration in NVRAM.C．It is used to enter ROM Monitor mode.D．It is used to view the lost password.E．It is used to save the changes to the configuration.

参考答案和解析
参考答案：C
更多“After attempting to telnet into a router, you are denied and you receive the error message "password required, but none set." What configuration changes will allow telnet access into this router?() ”相关问题

  • 第1题：

    You are the network administrator at TestKing. You need to perform password recovery on Router TK1. What must you modify in the password recovery process?()

    A. Configuration register

    B. NVRAM

    C. Boot flash

    D. CMOS

    E. Flash


    参考答案：A, B

  • 第2题：

    After logging into a router, you type in "enable" and then enter the correct password when prompted. What is the current router prompt symbol at this point?()

    A. >

    B. #

    C. ?

    D. *

    E. All of the above

    F. None of the above


    参考答案：B

  • 第3题：

    You work as a network engineer at TestKing.com. You are required to allow establishment of a Telnet session with a router TestKingC.Which set command must be configured?()

    A.

    B.

    C.

    D.

    E.

    F.


    参考答案：F

  • 第4题：

    Refer to the exhibit,a network administrator cannot establish a telnet session with the indicated router.What is the cause of this failure?（）

    • A、A level 5 password is not set
    • B、The vty password is missing
    • C、The console password is missing
    • D、An ACL is blocking Telnet access

    正确答案:B

  • 第5题：

    What is the purpose of pressing the Ctrl+Break keys during the router password recover procedure?（）

    • A、To restart the router.
    • B、To bypass the configuration in Flash.
    • C、To view the password before changes are made.
    • D、To bypass setup configuration mode.
    • E、To access ROM Monitor mode.

    正确答案:E

  • 第6题：

    After working all night and successfully configuring a Cisco router for the TestKing network you save your changes on the startup config, reboot the router, and go out for a cigarette. When you return, none of your changes are active and the router boots to the initial configuration mode! Which of the choices below indicates the source of your problem?（）

    • A、Hardware failure in NVRAM prevents the router from loading the config
    • B、Startup-config in flash is corrupt and cannot be analyzed
    • C、Router configuration-register set to bypass startup configuration
    • D、Startup-config in NVRAM is corrupt and cannot be analyzed
    • E、None of the above

    正确答案:C

  • 第7题：

    After logging into a router, you type in "enable" and then enter the correct password when prompted. What is the current router prompt symbol at this point?（）

    • A、>
    • B、#
    • C、?
    • D、*
    • E、All of the above
    • F、None of the above

    正确答案:B

  • 第8题：

    单选题
    You are a senior network administrator at TestKing, and while performing thepassword recovery procedure on your 2500 series Cisco router, you type in thefollowing command:o/r 0x2142What is the purpose of this command?（）
    A

    It is used to restart the router.

    B

    It is used to bypass the configuration in NVRAM.

    C

    It is used to enter ROM Monitor mode.

    D

    It is used to view the lost password.

    E

    It is used to save the changes to the configuration.


    正确答案： B
    解析： 暂无解析

  • 第9题：

    单选题
    After working all night and successfully configuring a Cisco router for the TestKing network you save your changes on the startup config, reboot the router, and go out for a cigarette. When you return, none of your changes are active and the router boots to the initial configuration mode! Which of the choices below indicates the source of your problem?（）
    A

    Hardware failure in NVRAM prevents the router from loading the config

    B

    Startup-config in flash is corrupt and cannot be analyzed

    C

    Router configuration-register set to bypass startup configuration

    D

    Startup-config in NVRAM is corrupt and cannot be analyzed

    E

    None of the above


    正确答案： D
    解析： 暂无解析

  • 第10题：

    单选题
    What is the purpose of pressing the Ctrl+Break keys during the router password recover procedure?（）
    A

    To restart the router.

    B

    To bypass the configuration in Flash.

    C

    To view the password before changes are made.

    D

    To bypass setup configuration mode.

    E

    To access ROM Monitor mode.


    正确答案： B
    解析： 暂无解析

  • 第11题：

    单选题
    How can you verify that you have correctly configured SSH access to your Junos device?（）
    A

    user@router# show system services

    B

    user@router> show configuration services

    C

    user@router# show configuration system services

    D

    user@router# show system login


    正确答案： C
    解析： 暂无解析

  • 第12题：

    多选题
    Five minutes after issuing the show running-config command, a technician enters the command again and notices that several access list statements have been altered. Because of this, the technician believes that the router is being configured by an unknown person through Telnet. Before changing the router passwords, the technician would like to discover if anyone is connected to the router by Telnet and stop them from making further changes. Which commands will accomplish these options?（）
    A

    show hosts

    B

    show sessions

    C

    show connections

    D

    disconnect

    E

    CTRL+SHIFT+6x

    F

    exit


    正确答案： E,A
    解析： 暂无解析

  • 第13题：

    After making changes to the router, you issue the "copy running-config startup-config" command to save changes. After reloading the router, the router comes up in setup mode. You again make changes, save them, and reboot. Again,the router comes up in setup mode.What is the most likely cause of this?（）

    A. The NVRAM is corrupted.

    B. The boot system commands were omitted in the configuration.

    C. The configuration register setting is incorrect.

    D. The upgraded configuration incompatible with the hardware platform.

    E. The upgraded IOS incompatible with the hardware.


    参考答案：C

  • 第14题：

    You wish to limit telnet access into your Cisco router to only a single host. In order to accomplish this, access list 1 has been written to allow host 172.16.1.224 access to the router vty lines.What command would assign this access- list to the Virtual Terminal Lines?（）

    A. router(config-line)# ip access-group 1 in

    B. router(config-line)# access-class 1 in

    C. router(config-line)# ip access-list 1 in

    D. router(config-line)# access-line 1 in


    参考答案：B

  • 第15题：

    A network administrator needs to allow only one Telnet connection to a router. For anyone viewing the configuration and issuing the show run command, the password for Telnet access should be encrypted. Which set of commands will accomplish this task?（）

    A.

    B.

    C.

    D.


    参考答案：C

  • 第16题：

    You are a senior network administrator at TestKing, and while performing thepassword recovery procedure on your 2500 series Cisco router, you type in thefollowing command:o/r 0x2142What is the purpose of this command?（）

    • A、It is used to restart the router.
    • B、It is used to bypass the configuration in NVRAM.
    • C、It is used to enter ROM Monitor mode.
    • D、It is used to view the lost password.
    • E、It is used to save the changes to the configuration.

    正确答案:B

  • 第17题：

    You are the network administrator at TestKing. You need to perform password recovery on Router TK1. What must you modify in the password recovery process?（）

    • A、Configuration register
    • B、NVRAM
    • C、Boot flash
    • D、CMOS
    • E、Flash

    正确答案:A,B

  • 第18题：

    After making changes to the router, you issue the "copy running-config startup-config" command to save changes. After reloading the router, the router comes up in setup mode. You again make changes, save them, and reboot. Again,the router comes up in setup mode. What is the most likely cause of this?（）

    • A、The NVRAM is corrupted.
    • B、The boot system commands were omitted in the configuration.
    • C、The configuration register setting is incorrect.
    • D、The upgraded configuration incompatible with the hardware platform.
    • E、The upgraded IOS incompatible with the hardware.

    正确答案:C

  • 第19题：

    You wish to limit telnet access into your Cisco router to only a single host. In order to accomplish this, access list 1 has been written to allow host 172.16.1.224 access to the router vty lines. What command would assign this access- list to the Virtual Terminal Lines?（）

    • A、router(config-line)# ip access-group 1 in
    • B、router(config-line)# access-class 1 in
    • C、router(config-line)# ip access-list 1 in
    • D、router(config-line)# access-line 1 in

    正确答案:B

  • 第20题：

    单选题
    After logging into a router, you type in "enable" and then enter the correct password when prompted. What is the current router prompt symbol at this point?（）
    A

    >

    B

    #

    C

    ?

    D

    *

    E

    All of the above

    F

    None of the above


    正确答案： B
    解析： 暂无解析

  • 第21题：

    单选题
    You want to log in to the router and make a configuration change. After logging in as the root user, what is the next command you must enter?（）
    A

    enable

    B

    configure

    C

    edit

    D

    cli


    正确答案： C
    解析： 暂无解析

  • 第22题：

    单选题
    Refer to the exhibit,a network administrator cannot establish a telnet session with the indicated router.What is the cause of this failure?（）
    A

    A level 5 password is not set

    B

    The vty password is missing

    C

    The console password is missing

    D

    An ACL is blocking Telnet access


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    You wish to limit telnet access into your Cisco router to only a single host. In order to accomplish this, access list 1 has been written to allow host 172.16.1.224 access to the router vty lines. What command would assign this access- list to the Virtual Terminal Lines?（）
    A

    router(config-line)# ip access-group 1 in

    B

    router(config-line)# access-class 1 in

    C

    router(config-line)# ip access-list 1 in

    D

    router(config-line)# access-line 1 in


    正确答案： A
    解析： 暂无解析

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