Full backups every night
Differential backups every night
Full backup Saturday night, incremental backups the rest of the week
Full backup Saturday night, differential backups the rest of the week
第1题:
A customer with a small IT budget has one data center. Their main application is a database running on an IBM System Storage DS8000. The database has a data change rate of 50% per day. Once a week, they must do a point-in-time backup from the database to tape. The time it takes to run the backup now exceeds the backup window allowed. The customer requests a proposal to reduce database downtime caused by running backups, with nearly no impact to production volumes. In addition to the tape backup, which DS8000 feature should a technical specialist propose()
第2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 ()
第3题:
An administrator performs a full backup every Saturday evening and daily incremental backups the rest of the week. The system failed on Thursday and must be restored. Which backup tapes will be required to restore the system to its most recent recoverable state()
第4题:
If a backup is expired, which of the following is true?()
第5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?()
第6题:
dd
tar
cpio
restore
第7题:
Full backups every month, daily incremental backups
Full backups every month, daily differential backups
Full backup Saturday night, incremental backups the rest of the week
Full backup Saturday night, differential backups the rest of the week
第8题:
Saturday’s full backup tape
Wednesday’s backup tape
Saturday’s full backup and Wednesday’s incremental backup tapes
Saturday’s full backup and Sunday’s through Wednesday’s incremental backup tapes
第9题:
Determine backups available, restore backups, and verify data.
Restore applications, restore data, and verify data.
Restore OS, restore system applications, and restore data.
Contact end users of outage, restore backup data, and verify data.
第10题:
Amount of data in the backup
Bandwidth available to the tape device
Length of the backup/restore window
Speed that the backup system can find files for restoration
第11题:
Restore all the data files from last Sunday’s backup, and then perform a time-based recovery.
Restore all the data files from last Sunday’s backup, and then perform a cancel-based recovery.
Restore all the data files from last Sunday’s backup, and then perform a change-based recovery.
Restore only data files that belong to the SYSTEM tablespace from last Sunday’s backup, and then perform a complete recovery.
第12题:
Full backups every night
Differential backups every night
Full backup Saturday night, incremental backups the rest of the week
Full backup Saturday night, differential backups the rest of the week
第13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?()
第14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?()
第15题:
You database operates in ARCHIVELOG mode and user-managed consistent backups are performed every Sunday night. On Tuesday, at 9:00 a.m. the current log sequence number was 369. Also, on Tuesday you lost the data file belonging to the SYSTEM tablespace and an achivelog file (sequence number 356) that contained redo entries between 8:00 a.m. and 8.30 a.m. With reference to this scenario, what would you do to recover the database?()
第16题:
You take backups of your hard drives every night. On Thursday morning you see that the hard disk has crashed. The backup log shows: * Friday normal backup completed * Saturday incremental backup completed * Sunday incremental backup completed * Monday incremental backup completed * Tuesday incremental backup incomplete * Wednesday incremental backup completed. What should you do to restore your data to the update state?( )
第17题:
Take an image backup nightly while the server is online.
Take an incremental backup while the server is offline.
Take a monthly snapshot backup while the server is online.
Take a differential backup while the server is online.
第18题:
Take an image backup nightly while the server is online.
Take an incremental backup while the server is offline.
Take a monthly snapshot backup while the server is online.
Take a differential backup while the server is online.
第19题:
Restore using the tapes from Friday, Saturday, Sunday, Monday and Wednesday.
Restores using only Fridays tape
Restore using the tapes from Thursday, Friday, Saturday, Sunday and Tuesday.
Restore using the tapes from Friday and Tuesday.
Restore using the tapes from Tuesday and Thursday.
第20题:
dd
tar
cpio
restore
第21题:
FlashCopy
FlashCopy SE
Metro Mirror
Global Mirror
第22题:
It can never be used for a restore/recover operation.
Oracle will remove the backup set pieces from the flash recovery area.
The backup has been used at least once to restore and recover the database.
The backup is no longer valid because of a resetlogs operation.
The physical backup set pieces are missing from the media.
第23题:
Restore Wednesday’s differential backup.
Restore Sunday’s normal backup. Restore Wednesday’s differential backup.
Restore Sunday’s normal backup. Restore Monday’s differential backup. Restore Tuesday’s differential backup. Restore Wednesday’s differential backup.
Restore Sunday’s normal backup. Restore Wednesday’s differential backup. Restore Tuesday’s differential backup. Restore Monday’s differential backup.
第24题:
Saturday’s full backup tape only
Wednesday’s incremental backup tape only
Saturday’s full backup and Wednesday’s incremental backup tapes
Saturday’s full backup and Sunday’s through Wednesday’s incremental backup tapes