多选题A corrupted file system is now repaired and back in use. Some, but not all of the files within the file  systems have been deleted. The only backup of this file system is a month-old tar archive. This archive will need to be restored as root.  Which tw

题目
多选题
A corrupted file system is now repaired and back in use. Some, but not all of the files within the file  systems have been deleted. The only backup of this file system is a month-old tar archive. This archive will need to be restored as root.  Which two statements correctly describe the effects of the restore operation?()
A

Files found in the file system that are also on tape will NOT be overwritten.

B

The missing files, present on the backup tape, are restored to the file system with the data as it was when the backup was taken.

C

The access times are preserved by tar and will reflect the time when a user last accessed the data.

D

The modification time on the files restored by tar will be preserved and will reflect the time the file was last modified before the backup, NOT the time of the restore operation.

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相似问题和答案

第1题:

Which statement is true about "full state backup" in a Cisco Unified Computing System?()

  • A、 An XML file containing all details of the system, including IP address and cluster details 
  • B、 A binary file containing only service profiles, pools, and other items configured after initial configuration
  • C、 A binary file containing all details of the system, including IP address and cluster details
  • D、 An XML file containing only service profiles, pools, and other items configured after initial configuration
  • E、 A text file with the NX-OS running configuration

正确答案:C

第2题:

A data file became corrupted in your database due to bad sectors on the disk. Because of corruption, you lost all the important tables in that data file. Which method would you use for recovery?()

  • A、flash back all the tables in the data file, one by one
  • B、restore the data file to a new location and perform a media recovery
  • C、flash back the database; there is no need to restore the data file
  • D、restore the data file from the most recent backup and flash back the database

正确答案:B

第3题:

You have enabled backup optimization for the RMAN environment.Identify two criteria on which RMAN will skip the file, if it has already been backed up.()

A. The data file backup is done with multiple channels

B. The data files is in the read-write mode after being backed up in the read only mode

C. The backup was taken after the data files was taken offline-normal or is in the read only mode

D. The data file backup complies with the back retention policy and the backup duplexing feature


参考答案:C, D

第4题:

Your database is running in ARCHIVELOG mode. One of the data files, USERDATA01.dbf, in the USERS tablespace is damaged and you need to recover the file until the point of failure. The backup for the datafile is available. Which three files would be used in the user-managed recovery process performed by the database administrator ()(DBA)? (Choose Three)

  • A、Redo logs
  • B、Control file
  • C、The latest backup of only the damaged data file
  • D、The latest backup of all the data file in the USERS tablespace
  • E、Temporary files of temporary tablespace
  • F、Archive Logs since the latest backup to point of failure

正确答案:A,C,F

第5题:

A corrupted file system is now repaired and back in use. Some, but not all of the files within the file  systems have been deleted. The only backup of this file system is a month-old tar archive. This archive will need to be restored as root.  Which two statements correctly describe the effects of the restore operation?()

  • A、 Files found in the file system that are also on tape will NOT be overwritten.
  • B、 The missing files, present on the backup tape, are restored to the file system with the data as it was when the backup was taken.
  • C、 The access times are preserved by tar and will reflect the time when a user last accessed the data.
  • D、 The modification time on the files restored by tar will be preserved and will reflect the time the file was last modified before the backup, NOT the time of the restore operation.

正确答案:B,D

第6题:

You need to restore some files from a file system. The file system was backed up from a snapshot.  Which command will correctly restore these files?()

  • A、 fssnap -i
  • B、 fssnap -r
  • C、 ufsrestore -i
  • D、 snaprestore -i

正确答案:C

第7题:

Your database is running in ARCHIVELOG mode. One of the data files,USERDATA01.dbf, in the USERS tablespace is damaged and you need to recover the file until the point of failure. The backup for the datafile is available. Which three files would be used in the user-managed recovery process performed by the database administrator (DBA)?()

  • A、Redo logs
  • B、Control file
  • C、The latest backup of only the damaged data file
  • D、The latest backup of all the data file in the USERS tablespace
  • E、Temporary files of temporary tablespace
  • F、Archive Logs since the latest backup to point of failure

正确答案:A,C,F

第8题:

You have enabled backup optimization for the RMAN environment. Identify two criteria on which RMAN will skip the file, if it has already been backed up.() (Choose two.)

A. The data file backup is done with multiple channels

B. The data files is in the read-write mode after being backed up in the read only mode

C. The backup was taken after the data files was taken offline-normal or is in the read only mode

D. The data file backup complies with the back retention policy and the backup duplexing feature


参考答案:C, D

第9题:

Which command(s) will result in the smallest sized backup of the text files contained in the /staticFS filesystem?()  

  • A、tar -cvf file_system.tar /staticFS ; gzip file_system.tar
  • B、tar -xvf /staticFS file_system.tar ; gzip file_system.tar
  • C、tar -cvf /staticFS file_system.tar ; compress file_system.tar
  • D、tar -xvf file_system.tar /staticFS  ; compress file_system.tar

正确答案:A

第10题:

Your PROD database has been started using the server parameter file. In your PROD database you are using RMAN for backup and recovery operations. You issue the following commands from the RMAN prompt:     RMAN> CONFIGURE CONTROLFILE AUTOBACKUP OFF;   RMAN> BACKUP DATABASE;   Which files from the database will be backed up as a result of this BACKUP command?()

  • A、 control file
  • B、 all datafiles
  • C、 password file
  • D、 online redo log file
  • E、 archive redo log file
  • F、 server parameter file
  • G、 only the SYSTEM datafile

正确答案:A,B,F

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