What is the purpose of typing o／r 0x2142 during a password recover procedure on a 2500 series router?()A. To restart the router.B. To bypass the configuration in NVRAM.C. To view the lost password.D. To save the changes to the configuration.E. To enter RO

题目
What is the purpose of typing o／r 0x2142 during a password recover procedure on a 2500 series router?()

A. To restart the router.

B. To bypass the configuration in NVRAM.

C. To view the lost password.

D. To save the changes to the configuration.

E. To enter ROM Monitor mode.

相似考题

1.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.

2.During the boot sequence, a Ezonexam 2800 series router needs to locate and load an operating system. What is the default order the router uses to find an operating system?A．ROM, TFTP server, FlashB．Flash, TFTP server, ROMC．Flash, NVRAM, TFTP serverD．Flash, ROM, TFTP serverE．Flash, TFTP server, RAM

3.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.

4.Why might the Ezonexam network administrator set the configuration register to 0x2142 on a 2600 series Cisco router?A．To boot the IOS from ROMB．To reset the console passwordC．To upload a new version of the configuration fileD．To upload a new version of the IOSE．To allow a new memory upgrade to be recognized by the router

参考答案和解析
参考答案：B
更多“What is the purpose of typing o／r 0x2142 during a password recover procedure on a 2500 series router?() ”相关问题

  • 第1题：

    What should the configuration register value be after successfully completing the password recover procedure and returning the router to normal operation? ()

    A.0x2100

    B.0x2101

    C.0x2102

    D.0x2124

    E.0x2142


    参考答案：C

  • 第2题：

    Which command encrypts all plaintext passwords?()

    A.Router(config)#password-encryption

    B.Router(config)#service password-encryption

    C.Router#service password-encryption

    D.Router# password-encryption


    参考答案：B

  • 第3题：

    The enable secret password appears as an MD5 hash in a router’s configuration file， whereas the enablepassword is not hashed （or encrypted， if the password-encryption service is not enabled）. What is thereason that Cisco still support the use of both enable secret and enable passwords in a router’sconfiguration？（）

    • A、The enable password is present for backward compatibility.
    • B、Because the enable secret password is a hash， it cannot be decrypted. Therefore， the enable password is used to match the password that was entered， and the enable secret is used to verify that the enablepassword has not been modified since the hash was generated.
    • C、The enable password is considered to be a router’s public key， whereas the enable secret password is considered to be a router’s private key.
    • D、The enable password is used for IKE Phase I， whereas the enable secret password is used for IKE Phase II.

    正确答案:A

  • 第4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5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6题：

    What is the purpose of using VPN hardware acceleration equipment?（）

    • A、To offload encryptions functions from router memory
    • B、To use WebVPN instead of IPSec
    • C、To decrease performance and efficiency
    • D、To offload encryption functions from a router CPU

    正确答案:D

  • 第7题：

    Which command encrypts all plaintext passwords?（）

    • A、Router(config)#password-encryption
    • B、Router(config)#service password-encryption
    • C、Router#service password-encryption
    • D、Router# password-encryption

    正确答案:B

  • 第8题：

    What is the purpose of the recover command？（） 

    • A、 Recover database datafiles from physical disk backup sets.
    • B、 Recover required incremental backups from physical disk backup sets.
    • C、 Recover required archived redo logs from physical disk backup sets.
    • D、 Apply incremental backups to recover the database. 
    • E、 Apply archived redo logs to recover the database.

    正确答案:B,C,D,E

  • 第9题：

    多选题
    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： E,D
    解析： 暂无解析

  • 第10题：

    单选题
    The enable secret password appears as an MD5 hash in a router’s configuration file， whereas the enablepassword is not hashed （or encrypted， if the password-encryption service is not enabled）. What is thereason that Cisco still support the use of both enable secret and enable passwords in a router’sconfiguration？（）
    A

    The enable password is present for backward compatibility.

    B

    Because the enable secret password is a hash， it cannot be decrypted. Therefore， the enable password is used to match the password that was entered， and the enable secret is used to verify that the enablepassword has not been modified since the hash was generated.

    C

    The enable password is considered to be a router’s public key， whereas the enable secret password is considered to be a router’s private key.

    D

    The enable password is used for IKE Phase I， whereas the enable secret password is used for IKE Phase II.


    正确答案： A
    解析： 暂无解析

  • 第11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12题：

    多选题
    A network administrator changes the configuration register to 0x2142 and reboots the router. What are two results of making this change?（）
    A

    The IOS image will be ignored.

    B

    The router will prompt to enter initial configuration mode.

    C

    The router will boot to ROM.

    D

    Any configuration entries in NVRAM will be ignored.

    E

    The configuration in flash memory will be booted.


    正确答案： B,C
    解析： 暂无解析

  • 第13题：

    A network administrator changes the configuration register to 0x2142 and reboots the router. What are two results of making this change?()

    A. The IOS image will be ignored.

    B. The router will prompt to enter initial configuration mode.

    C. The router will boot to ROM.

    D. Any configuration entries in NVRAM will be ignored.

    E. The configuration in flash memory will be booted.


    参考答案：B, D

  • 第14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15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16题：

    A network administrator changes the configuration register to 0x2142 and reboots the router. What are two results of making this change?（）

    • A、The IOS image will be ignored.
    • B、The router will prompt to enter initial configuration mode.
    • C、The router will boot to ROM.
    • D、Any configuration entries in NVRAM will be ignored.
    • E、The configuration in flash memory will be booted.

    正确答案:B,D

  • 第17题：

    What should the configuration register value be after successfully completing the password recover procedure and returning the router to normal operation? （）

    • A、0x2100
    • B、0x2101
    • C、0x2102
    • D、0x2124
    • E、0x2142

    正确答案:C

  • 第18题：

    What will be disabled as a result of the no service password-recovery command？（）

    • A、password encryption service
    • B、changes to the config-register setting
    • C、the xmodem privilege EXEC mode command to recover the Cisco IOS image
    • D、ROMMON

    正确答案:D

  • 第19题：

    What is the purpose of typing o/r 0x2142 during a password recover procedure on a 2500 series router?（）

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

    正确答案:B

  • 第20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21题：

    单选题
    What is the purpose of typing o/r 0x2142 during a password recover procedure on a 2500 series router?（）
    A

    To restart the router.

    B

    To bypass the configuration in NVRAM.

    C

    To view the lost password.

    D

    To save the changes to the configuration.

    E

    To enter ROM Monitor mode.


    正确答案： B
    解析： 暂无解析

  • 第22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23题：

    单选题
    What should the configuration register value be after successfully completing the password recover procedure and returning the router to normal operation? （）
    A

    0x2100

    B

    0x2101

    C

    0x2102

    D

    0x2124

    E

    0x2142


    正确答案： A
    解析： 暂无解析

  • 第24题：

    单选题
    You are the administrator of the Testking network and you have forgotten the password to one of your routers. After completing the password recovery procedure the router returned to its normal operation. The config-register was set back to the initial default value. What is this value?（）
    A

    0x2112

    B

    0x2104

    C

    0x2102

    D

    0x2142

    E

    0x2100


    正确答案： C
    解析： 暂无解析

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