单选题During an attempt to 'scp' between two hosts, an error indicating PRNG is not seeded is displayed. What is the likely cause of the error?()A The sshd user id is locked.B The /var/empty directory needs to be created.C PRNG is set to 'no' in the /etc/ssh

题目
单选题
During an attempt to 'scp' between two hosts, an error indicating PRNG is not seeded is displayed. What is the likely cause of the error?()
A

The sshd user id is locked.

B

The /var/empty directory needs to be created.

C

PRNG is set to 'no' in the /etc/ssh/sshd_config file.

D

The permissions on /dev/random and /dev/urandom are incorrect.


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更多“单选题During an attempt to 'scp' between two hosts, an error indicating PRNG is not seeded is displayed. What is the likely cause of the error?()A The sshd user id is locked.B The /var/empty directory needs to be created.C PRNG is set to 'no' in the /etc/ssh”相关问题
  • 第1题:

    User2 is complaining that he is unable to list the contents of a directory. What is the most likely cause?()

    A. User2 needs write permission to the directory.

    B. User2 needs both read and write permissions to the directory.

    C. User2 needs both read and execute permissions to the directory.

    D. User2 needs both write and execute permissions to the directory.


    参考答案:C

  • 第2题:

    You attempt to upgrade a Microsoft Windows XP computer to Windows Vista.You receive an error message during the upgrade process indicating that the upgrade has failed.You need to view the details of the error message.What should you do?()

    A.A

    B.B

    C.C

    D.D


    参考答案:C

  • 第3题:

    A user cannot ping any other hostnames from an AIX machine. The error received is "host name earth NOT FOUND". Which of the following files is most likely configured incorrectly?()

    • A、/etc/resolv.conf
    • B、/etc/rc.tcpip
    • C、/etc/aliases
    • D、/etc/hosts.equiv

    正确答案:A

  • 第4题:

    A user selects their proper domain and is unable to log into their Windows computer.The error states:‘System cannot log you on to the domain because the system’s computer account in its primary domain is missing or the password on that account is incorrect’.Which of the following is the MOST likely cause for this error?()

    • A、The computer’s account was removed from Active Directory.
    • B、The user’s account was removed from Active Directory.
    • C、The computer was disjoined from the domain.
    • D、The user typed in the wrong password.

    正确答案:A

  • 第5题:

    During an attempt to 'scp' between two hosts, an error indicating PRNG is not seeded is displayed. What is the likely cause of the error?()

    • A、The sshd user id is locked.
    • B、The /var/empty directory needs to be created.
    • C、PRNG is set to 'no' in the /etc/ssh/sshd_config file.
    • D、The permissions on /dev/random and /dev/urandom are incorrect.

    正确答案:D

  • 第6题:

    While attempting to expand a file system, an administrator receives an error message indicating that the filesystem is not recognized. Running the 'lsfs' command fails to display any output, but the 'df' command is working and displays normal filesystems. What is the likely cause of the problem?()

    • A、The /etc/filesystems file is missing.
    • B、The /dev/hd8 logical volume is corrupt.
    • C、The hosting volume group is not varied on.
    • D、The /var and /tmp filesystems may be full.

    正确答案:A

  • 第7题:

    Devin, a user on your Windows 2000 network, complains that when he tries logging on locally to his Windows 2000 Professional computer an error message is displayed. ‘The local Policy of this Computer does not allow interactive logons’ Devin is sure that he has used the correct username and password. What is the most likely cause of this problem?()

    • A、The local user account is disabled.
    • B、The logon rights have been modified.
    • C、The local user account password is case-sensitive.
    • D、The local user account username is incorrect.

    正确答案:B

  • 第8题:

    单选题
    Click the Exhibit button. What is the cause of the error shown in the exhibit?()
    A

    A RADIUS request is being received from a device that is not configured on the RADIUS Client page.

    B

    A user entered an incorrect password during RADIUS authentication.

    C

    A RADIUS proxy attempt failed to reach the configured proxy server.

    D

    The RADIUS shared secret is incorrect.


    正确答案: B
    解析: 暂无解析

  • 第9题:

    单选题
    A non-root user can run rsh commands from serverA to serverB, but attempts to run rsh  commands by the root user return with a permission error message. What action will resolve the problem?()
    A

    Add root user to the /etc/hosts.equiv on serverB .

    B

    Create $HOME/.rhosts file for the root user on serverB .

    C

    Restart the rshd daemon with root enabled option on serverB .

    D

    Add entry to allow root user from serverA to the /etc/hosts.allow on serverB .


    正确答案: C
    解析: 暂无解析

  • 第10题:

    单选题
    While attempting to expand a file system, an administrator receives an error message indicating that the filesystem is not recognized. Running the 'lsfs' command fails to display any output, but the 'df' command is working and displays normal filesystems. What is the likely cause of the problem?()
    A

    The /etc/filesystems file is missing.

    B

    The /dev/hd8 logical volume is corrupt.

    C

    The hosting volume group is not varied on.

    D

    The /var and /tmp filesystems may be full.


    正确答案: A
    解析: 暂无解析

  • 第11题:

    单选题
    During an attempt to ’scp’ between two hosts, an error indicating PRNG is not seeded is displayed.What is the likely cause of the error?()
    A

    The sshd user id is locked.

    B

    The /var/empty directory needs to be created.

    C

    PRNG is set to ’no’ in the /etc/ssh/sshd_config file.

    D

    The permissions on /dev/random and /dev/urandom are incorrect.


    正确答案: D
    解析: 暂无解析

  • 第12题:

    单选题
    A user cannot ping any other hostnames from an AIX machine. The error received is "host name earth NOT FOUND". Which of the following files is most likely configured incorrectly?()
    A

    /etc/resolv.conf

    B

    /etc/rc.tcpip

    C

    /etc/aliases

    D

    /etc/hosts.equiv


    正确答案: B
    解析: 暂无解析

  • 第13题:

    Duringanattemptto’scp’betweentwohosts,anerrorindicatingPRNGisnotseededisdisplayed.Whatisthelikelycauseoftheerror?()

    A.Thesshduseridislocked.

    B.The/var/emptydirectoryneedstobecreated.

    C.PRNGissetto’no’inthe/etc/ssh/sshd_configfile.

    D.Thepermissionson/dev/randomand/dev/urandomareincorrect.


    参考答案:D

  • 第14题:

    可通过修改哪个文件,更改ssh服务的默认端口()

    A./etc/ssh/sshd_config

    B./etc/ssh/ssh_config

    C./etc/sysconfig/ssh

    D./etc/sysconfig/sshd


    参考答案:A

  • 第15题:

    可通过修改哪个文件,更改ssh服务的默认端口()。

    • A、/etc/ssh/sshd_config
    • B、/etc/ssh/ssh_config
    • C、/etc/sysconfig/ssh
    • D、/etc/sysconfig/sshd

    正确答案:A

  • 第16题:

    A user reports their system is displaying an error message ‘NTLDR is missing’. Which of the following is the MOST likely cause for this error?()

    • A、BOOT.INI file is configured incorrectly
    • B、Corrupt MBR
    • C、Boot sector virus
    • D、System file is missing components

    正确答案:B

  • 第17题:

    non-root user can run rsh commands from serverA to serverB, but attempts to run rsh commands by the root user return with a permission error message. What action will resolve the problem? ()

    • A、Add root user to the /etc/hosts.equiv on serverb
    • B、Create $HOME/.rhosts file for the root user on serverb
    • C、Restart the rshd daemon with root enabled option on serverb
    • D、Add entry to allow root user from serverA to the /etc/hosts.allow on serverb

    正确答案:D

  • 第18题:

    User2 is complaining that he is unable to list the contents of a directory. What is the most likely cause?()

    • A、User2 needs write permission to the directory.
    • B、User2 needs both read and write permissions to the directory.
    • C、User2 needs both read and execute permissions to the directory.
    • D、User2 needs both write and execute permissions to the directory.

    正确答案:C

  • 第19题:

    单选题
    Linux系统里,想要禁止root远程登陆,需要修改()文件,然后重启服务。
    A

    /etc/sshd/ssh_config

    B

    /etc/sshd/sshd_config

    C

    /etc/ssh/ssh_config

    D

    /etc/ssh/sshd_config


    正确答案: D
    解析: 暂无解析

  • 第20题:

    单选题
    A user reports their system is displaying an error message ‘NTLDR is missing’. Which of the following is the MOST likely cause for this error?()
    A

    BOOT.INI file is configured incorrectly

    B

    Corrupt MBR

    C

    Boot sector virus

    D

    System file is missing components


    正确答案: B
    解析: 暂无解析

  • 第21题:

    单选题
    User2 is complaining that he is unable to list the contents of a directory. What is the most likely cause?()
    A

    User2 needs write permission to the directory.

    B

    User2 needs both read and write permissions to the directory.

    C

    User2 needs both read and execute permissions to the directory.

    D

    User2 needs both write and execute permissions to the directory.


    正确答案: D
    解析: 暂无解析

  • 第22题:

    单选题
    可通过修改哪个文件,更改ssh服务的默认端口()。
    A

    /etc/ssh/sshd_config

    B

    /etc/ssh/ssh_config

    C

    /etc/sysconfig/ssh

    D

    /etc/sysconfig/sshd


    正确答案: A
    解析: 暂无解析

  • 第23题:

    单选题
    Devin, a user on your Windows 2000 network, complains that when he tries logging on locally to his Windows 2000 Professional computer an error message is displayed. ‘The local Policy of this Computer does not allow interactive logons’ Devin is sure that he has used the correct username and password. What is the most likely cause of this problem?()
    A

    The local user account is disabled.

    B

    The logon rights have been modified.

    C

    The local user account password is case-sensitive.

    D

    The local user account username is incorrect.


    正确答案: D
    解析: 暂无解析

  • 第24题:

    单选题
    A user selects their proper domain and is unable to log into their Windows computer. The error states: system cannot log you on to the domain because the system's computer account in its primary domain is missing or the password on that account is incorrect. Which of the following is the MOST likely cause for this error?()
    A

    The computer's account was removed from Active Directory.

    B

    The user's account was removed from Active Directory.

    C

    The computer was disjoined from the domain.

    D

    The user typed in the wrong password


    正确答案: A
    解析: 暂无解析