Block Media Recovery must be used with RMAN.
You must perform complete recovery of individual blocks.
You must have a full RMAN backup, not an incremental backup.
You must use the DBVERIFY utility before using the Block Media Recovery feature.
第1题:
You work as a database administrator for Certkiller .com. You received the following error while working on your database: ORA-01555: snapshot too old In which situation would you receive such an error?()
第2题:
You work as a database administrator at Certkiller .com. Your database is open and running in ARCHIVELOGmode. You take RMANfull backups every Sunday night. On Monday morning, while querying the user1.employeestable, you receive the following error message: 01578: ORACLE data block corrupted (file # 5, block # 51) ORA-01110: data file 5:’/u01/app/oracle/oradata/orcl/example01.dbf’ You need to rectify the corruption while ensuring the following: The data file should remain online. The mean time to recover (MTTR) should be minimal. You are not using a backup control file and all the archived logs are accessible. Which option would you choose?()
第3题:
A、taking out
B、working out
C、filling out
第4题:
You are maintaining your database in Oracle10g. While performing an incremental backup of the database, you want to back uponly those blocks that have changed since the last backup. Which file will you create to increase the performance of the backup operation while performing the incremental backup of the database?()
第5题:
When you try to open your database, you receive the following error: ORA-00205: error in identifying control file Where would you find the details required to resolve this error?()
第6题:
You are a Database Administrator with WonderWeb. You use a password file to establish connections to the Sales database located on the server. You created the password file using the following command: ORAPWD file=d:/oracle/ora9i/orapwU01 password=admin entries=4 You erroneously deleted the password file while the database was running. You re-create the password file using the following command: ORAPWD file=d:/oracle/ora9i/orapwU01 password=change_on_install entries=4 However, when you try to connect as the SYS user, you receive the following error: ORA-01031: insufficient privileges What should you do to resolve this error?()
第7题:
In which two cases would you perform only consistent backup?()
第8题:
Upon starting your database, you receive the following error:You can choose from the following steps:1.Restore the database datafiles.2.Issue the alter database clear unarchived logfile group 1 command.3.Issue the alter database open command.4.Issue the alter database open resetlogs command.5.Recover the database using point-in-time recovery.6.Issue the Startup Mount command to mount the database.7.Back up the database.Which is the correct order of these steps in this case?()
A. 1,6,5,4,7
B. 6,5,4
C. 6,2,3,7
D. 1,6,3
E. The database cannot be recovered
第9题:
Your database is in ARCHIVELOG mode. You have two online redo log groups,each of which contains one redo member. When you attempt to start the database, you receive the following errors:()
第10题:
You are part of the DBA team working for a multinational bank. The team is responsible for performing administrative tasks on the database server located at the home office. The database server at the home office has a production database and a test database named TESTDB. The test database is primarily used for testing database commands and configuration settings befor implementing these settings on the production database. The test database is also used for the development of database applications. You have been asked by the senior DBA to grant the SYSDBA privilege to a new team member, John, so that he can perform some administrative tasks, such as shutdown and startup operations, on TESTDB. You use the password file to configure remote authentication on the TESTDB database. You execute the following statement to grant the SYSDBA privilege to John: SQL>GRANT SYSDBA TO john; However, you receive the following error: ORA-01996: GRANT failed: password file ’c:/oracle/ora9i/dbs/testdb.pwd’ is full Which action should you take to add the user john to the password file without removing any of the existing users?()