单选题Which of the following BEST describes the difference between differential and incremental backups?()AAn incremental backup requires fewer tapes for restoration than a differential backup. BA differential backup tape takes less time than an incremental 

题目
单选题
Which of the following BEST describes the difference between differential and incremental backups?()
A

 An incremental backup requires fewer tapes for restoration than a differential backup. 

B

 A differential backup tape takes less time than an incremental backup tape.

C

 A differential backup requires fewer tapes for restoration than an incremental backup.

D

 An incremental backup tape costs less than a differential backup tape.


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  • 第1题:

    A company utilizes the GFS backup standard. Which of the following describes this backup method?()

    • A、Greatest, Final, Sequential
    • B、Full, Partial, Incremental
    • C、Monthly, Weekly, Daily
    • D、Full, Differential, Incremental

    正确答案:C

  • 第2题:

    Weekly backups of the system are done on Sundays, and daily backups are done the rest of the week.  Which of following backup methods were used if the system crashes on Friday and only requires two backup sets to recover the system?()

    • A、 Incremental and snapshot
    • B、 Full and differential
    • C、 Full and incremental
    • D、 Differential and incremental

    正确答案:B

  • 第3题:

    A server failed Thursday evening before the nightly backup. The backup scheme in place was full backups every Sunday, incremental backups on Monday, Wednesday, and Friday, and differential backups on Tuesday,Thursday, and Saturday. To fully restore the server. which of the following is the LEAST amount of backup sets required?()

    • A、One
    • B、Two
    • C、Three
    • D、Four

    正确答案:C

  • 第4题:

    Due to operational commitments, a system has a very short backup window during the week, but is not used from Saturday morning through Sunday at Midnight.  Which of the following minimizes backup and recovery time, while providing complete data restore coverage ()

    • A、Full backups every month, daily incremental backups
    • B、Full backups every month, daily differential backups
    • C、Full backup Saturday night, incremental backups the rest of the week
    • D、Full backup Saturday night, differential backups the rest of the week

    正确答案:C

  • 第5题:

    You perform differential incremental level 1 backups of your database on each working day and level 0 backup on Sundays, to tape.  Which two statements are true about differential incremental backups()

    • A、The backup performed on Sundays contains all the blocks that have ever been used in the database.
    • B、The backup performed on Sundays contains all the blocks that have changed since the last level 1backup. 
    • C、The backup performed on each working day contains all the blocks that have changed since the lastlevel 0 backup.
    • D、The backup performed on Monday contains all the blocks that have changed since the level 0 backup,and every other working day contains all the blocks that have changed since the level 1 backup.

    正确答案:A,D

  • 第6题:

    Which type of backup backs up only data blocks modified since the most recent backup at the same level or lower?()

    • A、Differential incremental backup
    • B、Different incremental backup 
    • C、Cumulative backup 
    • D、Cumulative incremental backup

    正确答案:A

  • 第7题:

    单选题
    Which of the following Windows Server 2003 technologies can help with making backups of open files?()
    A

     Differential backup

    B

     Snapshot

    C

     VSS

    D

     Incremental backup


    正确答案: B
    解析: 暂无解析

  • 第8题:

    单选题
    Which of the following BEST describes the difference between differential and incremental backups?()
    A

     An incremental backup requires fewer tapes for restoration than a differential backup. 

    B

     A differential backup tape takes less time than an incremental backup tape.

    C

     A differential backup requires fewer tapes for restoration than an incremental backup.

    D

     An incremental backup tape costs less than a differential backup tape.


    正确答案: A
    解析: 暂无解析

  • 第9题:

    单选题
    A server failed Thursday evening before the nightly backup. The backup scheme in place was full backups every Sunday, incremental backups on Monday, Wednesday, and Friday, and differential backups on Tuesday,Thursday, and Saturday. To fully restore the server. which of the following is the LEAST amount of backup sets required?()
    A

    One

    B

    Two

    C

    Three

    D

    Four


    正确答案: A
    解析: 暂无解析

  • 第10题:

    单选题
    Which type of backup backs up only data blocks modified since the most recent backup at the same level or lower?()
    A

     Differential incremental backup

    B

     Different incremental backup

    C

     Cumulative backup

    D

     Cumulative incremental backup


    正确答案: A
    解析: 暂无解析

  • 第11题:

    单选题
    Which of the following allows an administrator to recover the MOST data?()
    A

     System image

    B

     Incremental backup

    C

     System state restore

    D

     Differential backup


    正确答案: B
    解析: 暂无解析

  • 第12题:

    单选题
    You have a computer that runs Windows XP Professional. Normal backups are scheduled to run every Sunday at 22:00 Eastern Time. Differential backups are scheduled to run every Monday through Saturday at 22:00 Eastern Time. The computer fails on Thursday at 9:00 Eastern Time. You need to restore the computer from the backup by using the most recent data available. You must achieve this goal by using the minimum amount of administrative effort. You reinstall Windows XP Professional on the computer. What should you do next?()
    A

    Restore Wednesday’s differential backup. 

    B

    Restore Sunday’s normal backup. Restore Wednesday’s differential backup. 

    C

    Restore Sunday’s normal backup. Restore Monday’s differential backup. Restore Tuesday’s differential backup. Restore Wednesday’s differential backup. 

    D

    Restore Sunday’s normal backup. Restore Wednesday’s differential backup. Restore Tuesday’s differential backup. Restore Monday’s differential backup. 


    正确答案: B
    解析: 暂无解析

  • 第13题:

    Which of the following Windows Server 2003 technologies can help with making backups of open files?()

    • A、Differential backup
    • B、Snapshot
    • C、VSS
    • D、Incremental backup

    正确答案:C

  • 第14题:

    An administrator is overseeing the backup process and tapes utilized by a former employee.Which of the following is the BEST way for the administrator to proceed?()

    • A、Utilize differential backups.
    • B、Verify the tape drives are functional.
    • C、Verify that the backups are functional.
    • D、Utilize incremental backups.

    正确答案:C

  • 第15题:

    Which of the following BEST describes the difference between differential and incremental backups?()

    • A、 An incremental backup requires fewer tapes for restoration than a differential backup. 
    • B、 A differential backup tape takes less time than an incremental backup tape.
    • C、 A differential backup requires fewer tapes for restoration than an incremental backup.
    • D、 An incremental backup tape costs less than a differential backup tape.

    正确答案:C

  • 第16题:

    Due to operational commitments, a system has a very short backup window during the week, but is not used from Saturday morning through Sunday at Midnight. Which of the following minimizes backup time, while providing the best data restore coverage?()

    • A、Full backups every night
    • B、Differential backups every night
    • C、Full backup Saturday night, incremental backups the rest of the week
    • D、Full backup Saturday night, differential backups the rest of the week

    正确答案:C

  • 第17题:

    Which type of backup backs up only data blocks modified since the most recent backup at the same level or lower?()  

    • A、 Differential incremental backup
    • B、 Different incremental backup
    • C、 Cumulative backup
    • D、 Cumulative incremental backup

    正确答案:A

  • 第18题:

    You have a computer that runs Windows XP Professional. Normal backups are scheduled to run every Sunday at 22:00 Eastern Time. Differential backups are scheduled to run every Monday through Saturday at 22:00 Eastern Time. The computer fails on Thursday at 9:00 Eastern Time. You need to restore the computer from the backup by using the most recent data available. You must achieve this goal by using the minimum amount of administrative effort. You reinstall Windows XP Professional on the computer. What should you do next?() 

    • A、Restore Wednesday’s differential backup. 
    • B、Restore Sunday’s normal backup. Restore Wednesday’s differential backup. 
    • C、Restore Sunday’s normal backup. Restore Monday’s differential backup. Restore Tuesday’s differential backup. Restore Wednesday’s differential backup. 
    • D、Restore Sunday’s normal backup. Restore Wednesday’s differential backup. Restore Tuesday’s differential backup. Restore Monday’s differential backup. 

    正确答案:B

  • 第19题:

    单选题
    A company utilizes the GFS backup standard. Which of the following describes this backup method?()
    A

    Greatest, Final, Sequential

    B

    Full, Partial, Incremental

    C

    Monthly, Weekly, Daily

    D

    Full, Differential, Incremental


    正确答案: D
    解析: 暂无解析

  • 第20题:

    多选题
    You perform differential incremental level 1 backups of your database on each working day and level 0 backup on Sundays, to tape.  Which two statements are true about differential incremental backups()
    A

    The backup performed on Sundays contains all the blocks that have ever been used in the database.

    B

    The backup performed on Sundays contains all the blocks that have changed since the last level 1backup.

    C

    The backup performed on each working day contains all the blocks that have changed since the lastlevel 0 backup.

    D

    The backup performed on Monday contains all the blocks that have changed since the level 0 backup,and every other working day contains all the blocks that have changed since the level 1 backup.


    正确答案: C,D
    解析: 暂无解析

  • 第21题:

    单选题
    An administrator is overseeing the backup process and tapes utilized by a former employee.Which of the following is the BEST way for the administrator to proceed?()
    A

    Utilize differential backups.

    B

    Verify the tape drives are functional.

    C

    Verify that the backups are functional.

    D

    Utilize incremental backups.


    正确答案: D
    解析: 暂无解析

  • 第22题:

    单选题
    Due to operational commitments, a system has a very short backup window during the week, but is not used from Saturday morning through Sunday at Midnight.  Which of the following minimizes backup and recovery time, while providing complete data restore coverage ()
    A

    Full backups every month, daily incremental backups

    B

    Full backups every month, daily differential backups

    C

    Full backup Saturday night, incremental backups the rest of the week

    D

    Full backup Saturday night, differential backups the rest of the week


    正确答案: C
    解析: 暂无解析

  • 第23题:

    单选题
    Weekly backups of the system are done on Sundays, and daily backups are done the rest of the week.  Which of following backup methods were used if the system crashes on Friday and only requires two backup sets to recover the system?()
    A

     Incremental and snapshot

    B

     Full and differential

    C

     Full and incremental

    D

     Differential and incremental


    正确答案: B
    解析: 暂无解析

  • 第24题:

    单选题
    Due to operational commitments, a system has a very short backup window during the week, but is not used from Saturday morning through Sunday at Midnight. Which of the following minimizes backup time, while providing the best data restore coverage?()
    A

    Full backups every night

    B

    Differential backups every night

    C

    Full backup Saturday night, incremental backups the rest of the week

    D

    Full backup Saturday night, differential backups the rest of the week


    正确答案: A
    解析: 暂无解析