1Z0-072 무료 덤프문제 온라인 액세스

Which two are true about incomplete recovery? (Choose two.)

• A.Incremental backups cannot be used to roll forward the database while performing it.
• B.It is possible only when the database is in MOUNT state.
• C.Uncommitted transactions will be rolled back after it completes.
• D.The database must have FLASHBACK enabled in order to perform it.
• E.Only RMAN backupsets can be used to restore a database as part of it.

Which three types of files are used by conventional path SQL*Loader when the TABLE option is not specified? (Choose three.)

• A.password files
• B.bad files
• C.input files
• D.control files
• E.dump files
• F.server parameter files (SPFILE)

Which is a machine image in Oracle Cloud?

• A.the number of OCPUs, amount of memory, and persistent block storage space allocated to an instance
• B.the physical persistent block storage space allocated to an instance
• C.a template of a virtual hard disk of specific size with an installed operating system
• D.the number of OCPUs and amount of memory allocated to an instance
• E.a template of a virtual hard disk of specific size without an operating system installed

Which two tasks does DBUA perform by default? (Choose two.)

• A.enabling flashback in the source database if not enabled
• B.starting the source database instance if not started
• C.running the Pre-Upgrade information tool
• D.setting user tablespaces to "read only" before starting the upgrade
• E.adding more data files if there is insufficient disk space for the SYSTEM tablespace during the upgrade

Which two are true about the AL32UTF8 character set? (Choose two.)

• A.It uses less space than other character sets, for all data types.
• B.It is used to store PL/SQL source code.
• C.It is used to encode data for columns of any data type.
• D.It improves the I/O performance of a database compared to other character sets.
• E.It supports multilingual databases.