单选题Which command can a system administrator use to verify that a tape is in backup format and is readable by the system？（）A tarB tctlC tcopyD restore

第1题：

An administrator has added a new device to a system and wants to determine if it has been correctly added to the ODM database. Which command would the system administrator use？（）

• A、odmget
• B、odmadd
• C、odmshow
• D、odmcreate

第2题：

Which command can a system administrator use to verify that a tape is in backup format and is readable by the system？（）

• A、tar
• B、tctl
• C、tcopy
• D、restore

第3题：

第4题：

A system administrator is attempting to restore some files from a backup tape. The restore failed. The system administrator suspects the block size of the tape drive is incorrect. Which of the following commands can be used to determine the block size of the backup tape？（）

• A、dd
• B、tar
• C、cpio
• D、restore

第5题：

A customer has the need to implement a tape backup solution to backup a 500GB database on a daily basis.  Which of the following factors is the most important consideration in the design of a backup and restore solution？（）

• A、Amount of data in the backup
• B、Bandwidth available to the tape device
• C、Length of the backup/restore window
• D、Speed that the backup system can find files for restoration

第6题：

Which of the following is the BEST sequence to bare metal restore a server？（）

• A、 Determine backups available， restore backups， and verify data.
• B、 Restore applications， restore data， and verify data.
• C、 Restore OS， restore system applications， and restore data.
• D、 Contact end users of outage， restore backup data， and verify data.

第7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8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.

第9题：

A System p administrator is attempting to restore some files from a backup tape. The restore failed. The system administrator suspects the block size of the tape drive is incorrect.  Which of the following commands can be used to determine the block size of the backup tape （）

• A、dd
• B、tar
• C、cpio
• D、restore

第10题：

A system administrator is installing a C compiler on a system. According to the compiler’s documenation， the AIX fileset bos.adt.lib must be installed prior to installation of the compiler. Which command would the system administrator use to verify installation of the bos.adt.lib fileset？（）

• A、installp
• B、instfix
• C、lsallq
• D、lslpp