更多“Which of the following commands will repair boot sector blocks after a virus has been removed?()A、chkdskB、formatC、fixmbrD、sfc”相关问题
  • 第1题:

    The server administrator discovers that a server, which has not been patched, is runningextremely slow and suspects that the server may have been compromised. Which of the following commands should the administrator use to check the number of network connections the server is making?()

    • A、netstat
    • B、ping
    • C、nslookup
    • D、grep

    正确答案:A

  • 第2题:

    Malware has been detected and removed on a customer computer several times in a short periodof time. Which of the following will BEST help prevent future occurrences?()

    • A、Defragment the hard drive
    • B、Discuss safe web-browsing habits with the customer
    • C、Delete temporary files, cookies and browser history
    • D、Install anti-virus software which uses manual updates

    正确答案:B

  • 第3题:

    A system powers on, begins POST, displays the BIOS version information and then hangs with the error message ‘Error loading operating system’. Which of the following is MOST likely the cause of this issue? ()

    • A、A virus has infected the system
    • B、Corrupted BOOT.INI file
    • C、Corrupt MBR
    • D、Boot sector corruption

    正确答案:C

  • 第4题:

    Under which of the following circumstances would a technician use IPCONFIG /RENEW?()

    • A、After an unsuccessful reboot
    • B、If a user’s IP address has been spoofed
    • C、After using IPCONFIG /RELEASE
    • D、If the computer has an ARP address conflict

    正确答案:C

  • 第5题:

    A server was recently updated with the latest antivirus definitions. Immediately after the update,the server begins to report ‘file not found’ errors for a mission critical application. Which of the following is the MOST likely reason for this?()

    • A、The update was done incorrectly and now the server needs to be restarted.
    • B、The update has discovered viruses on the server and removed those virus files.
    • C、The update requires a reboot for the files to process correctly.
    • D、The update has quarantined files that are false positives.

    正确答案:D

  • 第6题:

    A blade server has been configured to boot from SAN.  After an HBA firmware upgrade the blade was rebooted and cannot find the operating system.  Which of the following should the administrator do NEXT to troubleshoot the issue?()

    • A、Verify all HBA settings.
    • B、Upgrade the blade firmware.
    • C、Upgrade the OS level HBA drivers.
    • D、Set the system to boot from the local disk.

    正确答案:A

  • 第7题:

    A patch has been applied to the operating system.  After rebooting, the system is hung.  Which of the following commands should have been performed to prevent the system from hanging?()

    • A、 lppchk, bosboot 
    • B、 lslpp -l, oslevel 
    • C、 installp -C, lppchk 
    • D、 bosboot, synclvodm 

    正确答案:A

  • 第8题:

    You execute the following Recovery Manager (RMAN) commands in he following order:   BACKUP VALIDATE DATABAE RECOVER CORRUPTION LIST;   Which two tasks are performed by these commands?()  

    • A、 Repair the corrupted blocks. If any. In the backup created
    • B、 Populate VSCOPV_CORRUPTION with names of files that have corrupted blocks
    • C、 Back up the database after checking whether array of the files have corrupted blocks
    • D、 Discover any corrupt blocks that are viewable with the VSDATABASE_BI-OCK_CORBUPTION view
    • E、 Repair all corrupted blocks that have been logged in the VSDATABASE_BLOCK_ CORRUPTION

    正确答案:B,C

  • 第9题:

    You execute the following RMAN command in the order shown below: BACKUP VALIDATE DATABASE; BLOCKRECOVER CORRUPTION LIST; What will these commands do?()

    • A、 Create a backup of the database and recover all corrupted blocks found in the backup.
    • B、 Run a backup validation and list all the logically corrupt blocks as well as physically corrupt blocks in the database.
    • C、 Run a backup validation to populate V$COPY_CORRUPTION view, and then list any corrupt blocks recorded in the view.
    • D、 Run a backup validation to populate V$DATABASE_BLOCK_CORRUPTION view, and then repair any corrupt blocks recorded in the view.
    • E、 Run a backup validation, repair any corrupt blocks found during the validation process, and then update V$DATABASE_BLOCK_CORRUPTION view to indicate which corrupt blocks have been repaired.

    正确答案:D

  • 第10题:

    单选题
    A system powers on, begins POST, displays the BIOS version information and then hangs with the error message Error loading operating system. Which of the following is MOST likely cause of this issue? ()
    A

    A virus has infected the system

    B

    Corrupted BOOT.INI file

    C

    Corrupt MBR

    D

    Boot sector corruption


    正确答案: D
    解析: 暂无解析

  • 第11题:

    单选题
    Which of the following commands can be used to repair a corrupted boot record?()
    A

    chkdsk

    B

    xcopy

    C

    fixmbr

    D

    format


    正确答案: D
    解析: 暂无解析

  • 第12题:

    单选题
    A patch has been applied to the operating system.  After rebooting, the system is hung.  Which of the following commands should have been performed to prevent the system from hanging?()
    A

     lppchk, bosboot 

    B

     lslpp -l, oslevel 

    C

     installp -C, lppchk 

    D

     bosboot, synclvodm 


    正确答案: C
    解析: 暂无解析

  • 第13题:

    After installing a new video card, the computer loads Windows and continuously reboots. Which of the following would be the FIRST step that a technician should take?()

    • A、Run CHKDSK
    • B、Boot to ERD
    • C、Run MSCONFIG
    • D、Go into Safe Mode

    正确答案:D

  • 第14题:

    A graphics card has been added to the system. After rebooting, the system hangs during the login process with a blue screen indicating "CDE please wait". Which of the following procedures should be performed next?()

    • A、Reinstall the CDE software
    • B、Check the name resolution
    • C、Uncomment the last line in .dtprofile
    • D、Boot in maintenance mode and perform fsck on file systems

    正确答案:A

  • 第15题:

    A virus has been removed from the user’s machine, but the user still cannot access the Internet.Which of the following should the technician check NEXT?()

    • A、Disable port forwarding on the router.
    • B、Reboot to Safe Mode and see if the Internet is accessible.
    • C、Format the machine and reinstall the OS.
    • D、Check the web browser’s proxy settings.

    正确答案:D

  • 第16题:

    A user reports that the computer is running slowly. After running the SFC, a technician observes that the dllcache folder has become corrupted. Which of the following utilities can be run to repair the contents of the dllcache directory? ()

    • A、FORMAT
    • B、SFC
    • C、HyperTerminal
    • D、DEFRAG

    正确答案:B

  • 第17题:

    A system powers on, begins POST, displays the BIOS version information and then hangs with the error message Error loading operating system. Which of the following is MOST likely cause of this issue? ()

    • A、A virus has infected the system
    • B、Corrupted BOOT.INI file
    • C、Corrupt MBR
    • D、Boot sector corruption

    正确答案:C

  • 第18题:

    Which of the following commands would be used to move the working directory from C:/ to C:/Windows?()

    • A、CD
    • B、RD
    • C、MD
    • D、SFC

    正确答案:A

  • 第19题:

    A system administrator has been asked to lock a specific login account. Which of the following commands is used to accomplish this?()

    • A、pwdck
    • B、usrck
    • C、chuser
    • D、rmuser

    正确答案:C

  • 第20题:

    You execute the following RMAN commands in the order shown below:  BACKUP VALIDATE DATABASE;  BLOCKRECOVER CORRUPTION LIST;  What will these commands do?()

    • A、create a backup of the database and recover all corrupted blocks found in the backup
    • B、run a backup validation and list all the logically corrupt blocks as well as physically corrupt blocks in the database
    • C、run a backup validation to populate V$COPY_CORRUPTION view, and then list any corrupt blocks recorded in the view
    • D、run a backup validation to populate V$DATABASE_BLOCK_CORRUPTION view, and then repair any corrupt blocks recorded in the view
    • E、run a backup validation, repair any corrupt blocks found during the validation process, and then update V$DATABASE_BLOCK_CORRUPTION view to indicate which corrupt blocks have been repaired

    正确答案:D

  • 第21题:

    单选题
    A system powers on, begins POST, displays the BIOS version information and then hangs with the error message ‘Error loading operating system’. Which of the following is MOST likely the cause of this issue? ()
    A

    A virus has infected the system

    B

    Corrupted BOOT.INI file

    C

    Corrupt MBR

    D

    Boot sector corruption


    正确答案: C
    解析: 暂无解析

  • 第22题:

    多选题
    You execute the following Recovery Manager (RMAN) commands in he following order:   BACKUP VALIDATE DATABAE RECOVER CORRUPTION LIST;   Which two tasks are performed by these commands?()
    A

    Repair the corrupted blocks. If any. In the backup created

    B

    Populate VSCOPV_CORRUPTION with names of files that have corrupted blocks

    C

    Back up the database after checking whether array of the files have corrupted blocks

    D

    Discover any corrupt blocks that are viewable with the VSDATABASE_BI-OCK_CORBUPTION view

    E

    Repair all corrupted blocks that have been logged in the VSDATABASE_BLOCK_ CORRUPTION


    正确答案: C,E
    解析: 暂无解析

  • 第23题:

    单选题
    Which of the following commands will repair boot sector blocks after a virus has been removed?()
    A

    chkdsk

    B

    format

    C

    fixmbr

    D

    sfc


    正确答案: A
    解析: 暂无解析