a, b, e, c
b, e, d
a, b, d, c
b, g, c, f
a, b, d, f
第1题:
Your test database is configured to run in NOARCHIVELOG mode. One of the data files in the USERStablespace is lost due to a media failure. You notice that all the online redo logs have been overwritten since the last backup. What would you do to recover the data file()
第2题:
You work as a database administrator for Certkiller .com. Your database is in NOARCHIVELOG mode. The database has been configured with three redo logs groups, and there have been five log switches. You lost one non-system-critical data file from your database. Which method would you use to recover the data file?()
第3题:
You lost a data file that belongs to an index tablespace in your database, which operates in ARCHIVELOG mode. Loss of the data file resulted in increased response time on your queries. Which two options would you use to solve this problem? ()
第4题:
You work as a database administrator for Supportcenter.cn. Your database is in NOARCHIVELOG mode. The database has been configured with three redo logs groups, and there have been five log switches. You lost one non-system-critical data file from your database. Which method would you use to recover the data file?()
第5题:
Your ARCHIVELOG-mode database has lost three datafiles and shut down. One is assigned to the SYSTEM tablespace and two are assigned to the USERS tablespace. You can choose from the following steps to recover your database: a. Restore the three database datafiles that were lost. b. Issue the Startup Mount command to mount the database. c. Issue the alter database open command. d. Issue the alter database open resetlogs command. e. Recover the database using the recover database command. f. Recover the datafiles with the recover datafile command. g. Take the datafiles offline. Which is the correct order of these steps in this case?()
第6题:
Shut down the database, restore the two data files and then start up the database.
Take the system and users tablespace offline, restore the two data files, recover the two datafiles, and then bring the SYSTEM and USERS tablespaces online.
Shut down the database, restore the two data files, start up the database in MOUNT mode, recover the two data files, and then alter the database open.
Take the SYSTEM and USERS tablespaces offline, recover the two datafiles and then bring the SYSTEM and USERS tablespaces online.
第7题:
Restore all the datafiles from the backup.
Restore only the lost datafile from the backup.
Restore all the datafiles for the lost tablespace from the backup.
Restore all the datafiles for the lost tablespace and all the SYSTEM and SYSAUX datafiles from the backup.
第8题:
1,3,6,7
2,3,6,8
1,2,3,6,7
1,2,3,6,,7,8
2,3,6,5,7
第9题:
Restore all the data files and open the database
Create the data file and performtablespacerecovery
No need to restore any file, just recover the database
Restore only the system data file and recover the database
Restore only lost date file and performtablespacerecovery
第10题:
Restore the data file for the SYSTEM tablespace then open the database.
Restore all redo logs form last night's backup, then restart the database.
Perform a complete restore of all files from last night's backup. Data entered into the database today must be reentered.
Mount the instance, take the SYSTEM tablespace offline, open the database, and then restore the data file, recover it, and bring the tablespace online.
第11题:
the datafiles associated with the SYSTEM tablespace
the datafiles associated to the DATA1 tablespace
the datafiles associated to the SYSTEM and DATA1 tablespaces
all the datafiles in the database
第12题:
2,1,3,4,5,6
2,4,5,3
4,7,3
2,4,7,3
2,7,3
第13题:
You have lost all your SYSTEM tablespace datafiles (system_01.dbf and system_02.dbf) nd the database has crashed. What would be the appropriate order of operations to correct the situation?() a. Mount the database with the startup mount command. b. Take the SYSTEM datafile offline with the alter database command. c. Restore the SYSTEM_01.dbf datafile from backup media with the required archived redo logs. d. Restore all SYSTEM tablespace-related datafiles from backup media. e. Issue the recover tablespace SYSTEM command. f. Issue the recover datafile SYSTEM_01.dbf command. g. Open the database with the alter database open command. h. Open the database with the alter database open resetlogs command.
第14题:
Your database has experienced a loss of datafile users_01.dbf, which is associated with a ablespace called USERS. The database is still running. Which answer properly describes the rder of the steps that you would use to recover from this error?() a. Shut down the database. b. Take the users_01.dbf datafile offline with the alter database command. c. Restore the users_01.dbf datafile from backup media with the required archived redo logs. d. Restore all users tablespace-related datafiles from backup media. e. Issue the recover tablespace users command. f. Issue the recover datafile users_01.dbf command. g. Start up the database. h. Bring the users_01.dbf datafile online with the alter database command.
第15题:
There is a problem with one of the disks used for your database and your system administrator informs you that the disk needs to be replaced. The replacement disk will not be available until tomorrow. There was only one data file on this disk; it belongs to the USERS tablespace in your PROD database. Your PROD database runs in ARCHIVELOG mode and nightly online backups are taken. The users need to be able to access the data in the USERS tablespace before the replacement disk arrives. You have already taken the USERS tablespace offline and have restored the data file from last night’s backup to a new disk. Which additional steps are required in order to make the USERS tablespace available?()
第16题:
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?()
第17题:
Two data files have been deleted at the operating system level by accident. Your database is running in ARCHIVELOG mode and online backups are taken nightly. One of the data files that has been deleted belongs to the USERS tablespace on the other belongs to the SYSTEM tablespace. How can you recover from this situation?()
第18题:
a, c, f, g
b, c, f, h
a, b, c, f, g
a, b, c, f, g, h
b, c, f, e, g
第19题:
a, c, f, g
b, d, e, h
a, b, c, f, g
d, a, e, g
b, c, f, e, g
第20题:
Restore all the data files and open the database
Create the data file and perform tablespace recovery
No need to restore any file, just recover the database
Restore only the system data file and recover the database
Restore only lost date file and performtablespacerecovery
第21题:
Restore and recover the datafile.
Restore and recover the tablespace.
Restore and recover the database.
Restore and recover the control file.
Restore and recover the parameter file.
第22题:
Restore and recover the datafile.
Restore and recover the tablespace.
Restore and recover the database.
Restore and recover the control file.
Restore and recover the parameter file.
第23题:
Only bring the tablespace back online.
Only recover the tablespace and then bring the tablespace back online.
Shut down the database, recover the data file and then start up the database.
Issue the ALTER DATABASE RENAME FILE command, recover the tablespace, and then bring the tablespace online.
Recover the tablespace, issue the ALTER DATABASE RENAME FILE command, and then bring the tablespace online.
第24题:
a, b, e, c
b, e, d
a, b, d, c
b, g, c, f
a, b, d, f