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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

题目
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.

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.Which command encrypts all plaintext passwords?()A.Router(config)#password-encryptionB.Router(config)#service password-encryptionC.Router#service password-encryptionD.Router# password-encryption

3.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 setB、The vty password is missingC、The console password is missingD、An ACL is blocking Telnet access

4.What should the configuration register value be after successfully completing the password recover procedure and returning the router to normal operation? ()A.0x2100B.0x2101C.0x2102D.0x2124E.0x2142

参考答案和解析
参考答案：E
更多“What is the purpose of pressing the Ctrl＋Break keys during the router password recover procedure?() ”相关问题

  • 第1题：

    下列命令中，（）能加密所有明文口令。

    • 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2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3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4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5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6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7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8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9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10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11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12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

  • 第13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14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15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16题：

    Which two statements about the Cisco AutoSecure feature are true？（）

    • A、All passwords entered during the AutoSecure configuration must be a minimum of 8 characters in length.
    • B、Cisco123 would be a valid password for both the enable password and the enable secret commands.
    • C、The auto secure command can be used to secure the router login as well as the NTP and SSH protocols.
    • D、For an interactive full session of AutoSecure， the auto secure login command should be used.
    • E、If the SSH server was configured， the 1024 bit RSA keys are generated after the auto secure commandis enabled.

    正确答案:C,E

  • 第17题：

    Why is NTP an important component when implementing IPSec VPN in a PKI environment？（）

    • A、 To ensure the router has the correct time when generating its private/public key pairs.
    • B、 To ensure the router has the correct time when checking certificate validity from the remote peers
    • C、 To ensure the router time is sync with the remote peers for encryption keys generation
    • D、 To ensure the router time is sync with the remote peers during theDH exchange
    • E、 To ensure the router time is sync with the remote peers when generating the cookies during IKE phase 1

    正确答案:B

  • 第18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19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20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21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22题：

    多选题
    Which two statements about the Cisco AutoSecure feature are true？（）
    A

    All passwords entered during the AutoSecure configuration must be a minimum of 8 characters in length.

    B

    Cisco123 would be a valid password for both the enable password and the enable secret commands.

    C

    The auto secure command can be used to secure the router login as well as the NTP and SSH protocols.

    D

    For an interactive full session of AutoSecure， the auto secure login command should be used.

    E

    If the SSH server was configured， the 1024 bit RSA keys are generated after the auto secure commandis enabled.


    正确答案： A,C
    解析： 暂无解析

  • 第23题：

    单选题
    Why is NTP an important component when implementing IPSec VPN in a PKI environment？（）
    A

     To ensure the router has the correct time when generating its private/public key pairs.

    B

     To ensure the router has the correct time when checking certificate validity from the remote peers

    C

     To ensure the router time is sync with the remote peers for encryption keys generation

    D

     To ensure the router time is sync with the remote peers during theDH exchange

    E

     To ensure the router time is sync with the remote peers when generating the cookies during IKE phase 1


    正确答案： B
    解析： 暂无解析

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