SK0-003

单选题Which of the following archiving methods only backs up data that has changed since the previous backup？（）A DifferentialB CopyC IncrementalD Snapshot

题目
单选题
Which of the following archiving methods only backs up data that has changed since the previous backup？（）
A

Differential

B

Copy

C

Incremental

D

Snapshot

参考答案和解析
正确答案： C
解析： 暂无解析
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相似问题和答案

第1题：

A company has 100GB of data that needs to be automatically backed up daily, and needs to be stored for 20 years. Which of the following backup media is the BEST solution for archiving the server data?（）

A. Tape

B. SAN

C. Flash

D. Optical


参考答案：A

第2题：

Which of the following is the BEST recovery method for a server that only aggregates report data and stores data on separate servers?()

A. Full

B. Disk imaging

C. Incremental

D. Tape backup


参考答案：C

第3题：

You issued the following commands to configure setting in RMAN;Then you issued the following command to take the backup:RMAN> BACKUP DATABASE PLUS ARCHIVELOG;Which statement is true about the execution of the above command?（）

A. The backup will terminate because the FORMAT clause was not configured for the channel

B. It backs up two copies of data files to tape and disk, and two copies of archived log file on tape

C. It backs up the data files and archived log files to disk, making two copies of each data file and archived log file

D. It backs up the data files and archived log files to tape, making two copies of each data file and archived log file


参考答案：D

第4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5题：

Which of the following archiving methods only backs up data that has changed since the previous backup？（）

  • A、Differential
  • B、Copy
  • C、Incremental
  • D、Snapshot

正确答案:C

第6题：

Which of the following archiving methods only backs up data that has changed since the previous full backup?()

A. Snapshot

B. Incremental

C. Copy

D. Differential


参考答案：D

第7题：

A company has 100GB of data that needs to be automatically backed up daily， and needs to be stored for 20 years.  Which of the following backup media is the BEST solution for archiving the server data？（）

  • A、 Tape
  • B、 SAN
  • C、 Flash
  • D、 Optical

正确答案:A

第8题：

Which type of the backup process backs up files that have been modified since the last time all data was backed up?(72 )

A.Incremental backup

B.Full backup

C.Partial backup

D.Differential backup


正确答案：A

第9题：

Which of the following archiving methods only backs up data that has changed since the previous full backup?（）

  • A、Snapshot
  • B、Incremental
  • C、Copy
  • D、Differential

正确答案:D

第10题：

A company has just implemented a disaster recovery plan in which critical business must be restored in a four hour window.  Which of the following methods should be used to backup theservers？（）

  • A、Incremental backup
  • B、Data only backups
  • C、SAN replication
  • D、Full backup

正确答案:C

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