Free Access Oracle.1z0-063.v2022-04-21.q171 Practice Test (Page 11)

Question 46

Your database is running in noarchivelog mode. One of the data files belonging to the system tablespace is corrupted. You notice that all online redo logs have been overwritten since the last backup.
Which method would you use to recover the data file?

A.Mount the database, restore all data files belongingto the system tablespace from the last backup, and open the database.

B.Shut down the instance if not already shut down, restore the corrupted data file belonging to the system tablespace from the last backup, and restart the instance.

C.Shut downthe instance if not already shut down, restore all data files belonging to the system tablespace from the last backup, and restart the instance.

D.Shut down the instance if not already shut down, restore all data files for the entire database from the last backup, and restart the instance.

Question 47

Examine these Data Pump commands to export and import objects from and to the same database.
The dba has not yet created users hr1 and oe1.
$expdp system/manager schemas = hr.oe directory = EXP_DIR dumpfile = export.dat include = table
$ impdpsysten/manager schemas = hr1,oe1 directory = EXP_DIR dumpfile = export.dat remap_schena=hr:hrl, oe:oe1
What will happen when running these commands?

A.expdp will fail because no path has been defined for the dumpfile.

B.inpdp will create two users called hr1 and oe1 and import all objects to the new schemas.

C.impdp will create two users called hr1 and oe1 and import only the tables owned by hr and oe schemas to ht1 and oe1 schemas, respectively.

D.expdp will succeed but impdp will fail because the users do not exist.

Question 48

Examine the commands executed to monitor database operations:
$> conn sys/oracle@prod as sysdba
SQL> VAR eid NUMBER
SQL>EXEC :eid :
DBMS_SQL_MONITOR.BEGlN_OPERATION('batch_job',FORCED_TRACKING=>'Y');
Which two statements are true? (Choose two.)

A.Database operations will be monitored only when they consume a significant amount of resource.

B.Database operations for all sessions will be monitored.

C.Database operations will be monitored only if the STATISTICS_LEVEL parameter is set to TYPICAL and CONTROL_MANAGEMENT_PACK_ACCESS is set DIAGNISTIC + TUNING.

D.Only DML and DDL statements will be monitored for the session.

E.All subsequent statements in the session will be treated as one database operation and will be monitored.

Question 49

Which two components are contained only in CDB$ROOT? (Choose two.)

A.the unified audit trail

B.database links between PDBs in the CDB

C.PDB service names

D.resource manager plans for each PDB in the CDB

E.the default TEMP tablespace for the entire CDB

Question 50

Your database is running in archivelog mode and regular nightly backups are taken. Due to a media
failure, the current online redo log group, which has one member, is lost and the instance is aborted.
Examine the steps to recover the online redo log group and move it to a new location.
1. Restore the corrupted redo log group.
2. Restore the database from the most recent database backup.
3. Perform an incomplete recovery.
4. Relocate the member of the damaged online redo log group to a new location.
5. Open the database with the resetlogs option.
6. Issue a checkpoint and clear the log.
Identify the required steps in the correct order.

A.6, 3, 4, 5

B.1, 3, 4, 5

C.6, 4, 3, 5

D.2, 3, 4, 5

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Question 46

Question 47

Question 48

Question 49

Question 50

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