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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.
参考答案
更多 “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.” 相关考题
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Which of the following would be considered a GFS backup solution？（）A、 Grouped， full， supplementalB、 Full， incremental， differentialC、 Yearly， monthly， dailyD、 Full， partial， differential
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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.
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A system administrator performs a full backup every Saturday evening and incremental backups the rest of the week. The system failed on Thursday and needs to be restored. Which backup tapes will be required to restore the system to its most recent recoverable state？（）A、Saturday’s full backup tape onlyB、Wednesday’s incremental backup tape onlyC、Saturday’s full backup and Wednesday’s incremental backup tapesD、Saturday’s full backup and Sunday’s through Wednesday’s incremental backup tapes
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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 backupsB、Full backups every month， daily differential backupsC、Full backup Saturday night， incremental backups the rest of the weekD、Full backup Saturday night， differential backups the rest of the week
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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 nightB、Differential backups every nightC、Full backup Saturday night， incremental backups the rest of the weekD、Full backup Saturday night， differential backups the rest of the week
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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.
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Which type of backup backs up only data blocks modified since the most recent backup at the same level or lower？（） A、 Differential incremental backupB、 Different incremental backupC、 Cumulative backupD、 Cumulative incremental backup
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Which type of backup backs up only data blocks modified since the most recent backup at the same level or lower?（）A、Differential incremental backupB、Different incremental backup C、Cumulative backup D、Cumulative incremental backup
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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.
考题
单选题Which of the following Windows Server 2003 technologies can help with making backups of open files？（）A
Differential backupB
SnapshotC
VSSD
Incremental backup
考题
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.
考题
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（）AThe backup performed on Sundays contains all the blocks that have ever been used in the database.BThe backup performed on Sundays contains all the blocks that have changed since the last level 1backup.CThe backup performed on each working day contains all the blocks that have changed since the lastlevel 0 backup.DThe 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.
考题
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.
考题
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 backupB
Different incremental backupC
Cumulative backupD
Cumulative incremental backup
考题
单选题Which of the following would be considered a GFS backup solution？（）A
Grouped， full， supplementalB
Full， incremental， differentialC
Yearly， monthly， dailyD
Full， partial， differential
考题
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 snapshotB
Full and differentialC
Full and incrementalD
Differential and incremental
考题
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.
考题
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 nightB
Differential backups every nightC
Full backup Saturday night， incremental backups the rest of the weekD
Full backup Saturday night， differential backups the rest of the week
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