1Z0-025 무료 덤프문제 온라인 액세스

Which statement is true when using the DBVERIFYutility to detect corruptions in an Oracle data block?

• A.The utility can only be invoked on a data file that is online.
• B.The utility can assist in archiving log files when the database load is high.
• C.The utility can be used to verify the data files of a backup database.
• D.The utility is internal to the database and so can impact database activates.

What is the difference between using NOLOGGING operations in a single database environment and a standby database environment?

• A.NOLOGGING operations can be used on the standby database, but not on the primary database.
• B.The affected data file needs to be copied from the primary to the standby server.
• C.NOLOGGING operations are not allowed when using a standby database.
• D.The standby database becomes unavailable after a NOLOGGING operation has been used on the primary database.

Which statement about an open database backup is NOT true?

• A.All the database files copied are consistent to a point-in-time.
• B.An operating system backup of the database files is required.
• C.The database must be available in ARCHIVELOG mode.
• D.The database is available for use during backups.

Which technique does Oracle use to perform full backups of data files?

• A.The server process reads the entire file and skips blocks that currently are not being used.
• B.The server process reads the entire file and skips blocks that are unchanged from the last backup.
• C.The server process reads the entire file and skips blocks that have never been used.
• D.The server process reads and backs up the entire file.
• E.The server process reads the entire file and skips blocks assigned its temporary segments.

Your archive logs are not restored to the ARCHIVE_LOG_DEST directory. What are three ways to notify Oracle server of their location? (Choose three)

• A.Specify the location and name when prompted for a log.
• B.Use the ALTER SYSTEM ARCHIVE command to indicate the new location.
• C.Use the ALTER SYSTEM SWITCH LOGFILE command.
• D.Use the RECOVER FROM command to indicate the new location.