单选题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 -iB fssnap -rC ufsrestore -iD snaprestore -i
单选题
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
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While selecting files during an interactive restore with ufsrestore, you are interrupted by a junior administrator before you can complete the file selection process and start the restore. After answering the administrator’s question, you realize that you have forgotten which files you had already selected for the restore. How can you determine which files are already marked for extraction and restore? ()A、 You can use the ls subcommand of ufsrestore.B、 You can use the add subcommand of ufsrestore.C、 You can use the select subcommand of ufsrestore.D、 You can view the selected files as they are marked with a plus sign (+) in the list that is permanently displayed in the upper half of the interactive ufsrestore screen view.
Your database is set in NOARCHIVELOG mode and is backed up every night. There are 10 redo log groups on the database, each with three members, making a total of 30 redo log files. At lunchtime the server unexpectedly gets shut down. Upon restarting you notice that the data file belonging to the SYSTEM tablespace has become corrupted. You also notice that there have been 15 log switches during the day. Which solution should you use to recover as much committed data as possible?()A、Restore the data file for the SYSTEM tablespace then open the database. B、Restore all redo logs form last night's backup, then restart the database. C、Perform a complete restore of all files from last night's backup. Data entered into the database today must be reentered. D、Mount the instance, take the SYSTEM tablespace offline, open the database, and then restore the data file, recover it, and bring the tablespace online.
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单选题Your data recovery strategy must meet the following requirements: Back up all data files and folders in C:///Data. Restore individual files and folders in C:///Data. Ensure that data is backed up to and restored from external media. What should you do?()AUse the Previous Versions feature to restore the files and folders.BUse the System Restore feature to perform backup and restore operations.CUse the NTBackup utility to back up and restore individual files and folders.DUse the Backup and Restore Center to back up and restore files.
单选题Redo log files are multiplexed in your database. The disk in which you have one of the redo log members is highly fragmented. In the process of defragmentation you lose the redo log member, which is not a member of the current group. How would you recover from the loss of the redo log member?()ASMON would automatically restore the lost file.BYou would need to restore the whole database from the last backup.CYou would need to restore the file from the last full database backup.DYou would need to use flashback technology to restore the lost redo log member.EYou would need to use Recovery Manager (RMAN) to restore the lost redo log member.FYou would need to restore the missing log file by copying one of the remaining files from the same group.
单选题You have a server that runs Windows Server 2003 Service Pack 2 (SP2). You back up the files on the server by using the following schedule: ·Full backup every Sunday ·Differential backup at 01:00 every Monday to Friday You want to restore the version of a file stored on the server at the start of the business day on Wednesday. You are unsure when the file was last modified. You need to restore the appropriate version of the file by using the minimum number of tapes. Which backup jobs should you review to locate the correct version of the file? ()Athe differential backup from TuesdayBthe differential backup from Wednesday and then the full backup from SundayCthe full backup from SundayDthe full backup from Sunday and then all other backups
单选题How can a directory named /dirl be excluded during a restore of files backed up by name with the backup command()ABy using the restore -x option followed by /dirlBBy adding an entry in the /etc/restore.exclude fileCBy using the restore -i option to enter interactive mode and executing the command:delete /dirlDBy using the restore -i option when running restore to specify a text file containing ’/dirl1 as one of the lines in it
单选题You have a computer that runs Windows 7. You manually create a system restore point. You need torestore a copy of a file stored on drive C from two days ago. You must achieve this goal in the minimumamount of time. What should you do?()AFrom Recovery, select System Restore.BFrom Backup and Restore, select Restore my files.CFrom the command prompt, run Wbadmin get items.DFrom the properties of the file, select Previous Versions.
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?()AFiles found in the file system that are also on tape will NOT be overwritten.BThe missing files, present on the backup tape, are restored to the file system with the data as it was when the backup was taken.CThe access times are preserved by tar and will reflect the time when a user last accessed the data.DThe 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.
单选题A snapshot of the /export/project file system has been taken. Prior to backing up the file system, you need to check to see if certain files are on the snapshot. The snapshot needs to be mounted to check for these files. Which command will mount the snapshot? ()A mount -F ufs -o ro /dev/fssnap/0 /checkB mount -F ufs -o rw /dev/fssnap/0 /checkC mount -F ufs -o ro /export/project /checkD mount -F ufs -o rw /export/project /check
单选题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 -iB fssnap -rC ufsrestore -iD snaprestore -i
单选题While selecting files during an interactive restore with ufsrestore, you are interrupted by a junior administrator before you can complete the file selection process and start the restore. After answering the administrator’s question, you realize that you have forgotten which files you had already selected for the restore. How can you determine which files are already marked for extraction and restore? ()A You can use the ls subcommand of ufsrestore.B You can use the add subcommand of ufsrestore.C You can use the select subcommand of ufsrestore.D You can view the selected files as they are marked with a plus sign (+) in the list that is permanently displayed in the upper half of the interactive ufsrestore screen view.