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

第1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

第2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

第3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

第4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

第5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

第6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.

第7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

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第13题：

Which of the following would be considered a GFS backup solution？（）

• A、 Grouped， full， supplemental
• B、 Full， incremental， differential
• C、 Yearly， monthly， daily
• D、 Full， partial， differential

第14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

第15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.

第16题：

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 only
• B、Wednesday’s incremental backup tape only
• C、Saturday’s full backup and Wednesday’s incremental backup tapes
• D、Saturday’s full backup and Sunday’s through Wednesday’s incremental backup tapes

第17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

第18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

第19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. 

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