You are peer reviewing a fellow DBAs backup plan for his NOARCHIVELOG mode database, as shown here: Put the tablespaces in backup mode. Back up the datafiles for all tablespaces. Take the tablespaces out of backup mode. Back up all archived redo logs. Your colleague asks for you to comment on his plan. Which response would be correct?()
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:
Which of the following restrictions are not true with respect to tablespace point-in-time recovery?()
第3题:
Another DBA issues a shutdown abort command on a database on which you were running an online backup. What will happen when you try to restart the database?()
第4题:
Your database has a backup that was taken yesterday (Tuesday) between 13:00 and 15:00 hours. This is the only backup you have. You have lost all the archived redo logs generatedsince the previous Monday, but you have archived redo logs available from the previous Sunday and earlier. You now need to restore your backup due to database loss. To which point can you restore your database?()
第5题:
Which of the following statements is true when the database is in ARCHIVELOG mode and tablespaces are in hot backup mode?()
第6题:
Your developers have asked you to restore the development database, which is in NOARCHIVELOG mode, back to last Tuesday the 20th. Your last backup is from Monday the 19th. What do you do?()
第7题:
View the Exhibit.You executed the following command to perform a backup of the USERS tablespace: RMAN> BACKUP TABLESPACE USERS; Which three types of files are backed up? ()
第8题:
You can perform consistent backups only.
You can perform a complete database backup without shutting down the database instance.
You can back up data files only when all data files have the same SCN recorded in the control file.
You can back up only those data files whose headers are frozen by using ALTER TABLESPACE BEGINBACKUP or ALTER DATABASE BEGIN BACKUP commands
第9题:
The plan will work as is.
The plan needs to be modified to allow for an archive-log switch after step 3.
The plan needs to be modified so that a backup of the archived redo logs occurs before step 1.
The plan needs to be adjusted to shut down the database after step 1 and to restart the database after step 2.
The plan cannot work as presented.
第10题:
You can perform consistent backups only.
You can perform a complete database backup without shutting down the database instance.
You can back up data files only when all data files have the same SCN recorded in the control file.
You can back up only those data files whose headers are frozen by using ALTER TABLESPACE BEGINBACKUP or ALTER DATABASE BEGIN BACKUP commands.
第11题:
backup database all
backup compressed database
backup as compressed backupset database
backup as compressed backup database plus archivelog all
backup as compressed backupset database plus compress archivelog all
第12题:
Database Datafiles
Database Control Files
Online redo logs
Archived redo logs
The database SPFILE
None of the above,all these files are backed up
第13题:
Your database is in NOARCHIVELOG mode. You start to do a backup, but your users complain that they dont want you to shut down the database to perform the backup. What options are available to you?()
第14题:
You are using RMAN to backup your ARCHIVELOG mode database. You have enabled control-file autobackups. Which files are not backed up during the RMAN backup?()
第15题:
Which is the correct command to back up the database, back up the archived redo logs, and then remove the backed-up archived redo logs?()
第16题:
A shoot-out has erupted between your MS development teams using .NET and your Linux development teams using Java. Knowing that your database is in danger,which command would you use to back up your NOARCHIVELOG mode database using RMAN with compression?()
第17题:
You backed up the database at 8 a.m. today using an online backup. Accounting made a large change to the underlying data between 10 a.m. and noon. Which of the following actions would ensure that the changes could be recovered using the 8 a.m. backup?()
第18题:
You want to put a specific tablespace called MY_DATA in hot backup mode so you can back it up. What command would you use?()
第19题:
backup database
backup database and archivelogs
backup database plus archivelogs
backup database plus archivelog delete input
backup database and archivelog delete input
第20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21题:
Database Datafiles
Database Control Files
Online redo logs
Archived redo logs
The database SPFILE
None of the above, all these files are backed up.
第22题:
The target database must be in NOARCHIVELOG mode.
No backup is required of the database before you perform a TSPITR.
You must have all archived redo logs generated since the last backup up to the point to which you want to restore the transport set.
If you rename a tablespace, you can not perform a TSPITR to any point in time before that rename operation occurred.
If you have tables in tablespace_1 that have associated constraints in tablespace_2,then you must transport both tablespaces.
第23题:
Archive log generation is suspended until the tablespaces are taken out of hot backup mode.
Datafiles are not written to during hot backups.
Changes to the database are cached during the backup and not written to the datafiles to ensure that the datafiles are consistent when recovered.
The datafile headers are not updated during the backup.
The way data is written to the online redo logs is unchanged during the backup.