Free Access Oracle.1Z1-083.v2022-11-09.q168 Practice Test (Page 12)

Question 51

Which two are true about SQL Performance Analyzer (SPA)? (Choose two.)

A.It is integrated with the SQL Access Advisor.

B.It predicts the impact of system changes on SQL workload response time.

C.It provides before and after execution statistics for each SQL statement in the analysis task

D.It offers fine-grained analysis of all the SQL statements in the analysis task as a group.

E.SQL statements that were originally run concurrently are run concurrently by SPA.

Question 52

Which two are true about creating pluggable databases (PDBs) using snapshots in Oracle 19c and later releases?

A.A PDB snapshot depends on a storage snapshot which can be stored on any file system

B.A PDB snapshot is always a full copy of the source PDB

C.A PDB snapshot is always a sparse copy of the source PDB

D.A PDB snapshot depends on a storage snapshot which can only be stored on specific file systems

E.A snapshot copy PDB depends on a storage snapshot which can be stored on any file system

F.A snapshot copy PDB depends on a storage snapshot which can only be stored on specific file systems

G.A snapshot copy PDB can be created from a stand-alone clone PDB

Question 53

On the 10th of August, you implement an incremental database backup strategy and configure a recovery window of five days.
Level 0 backups are taken on the 10th, 17th, and 24th of August.
Differential level 1 incremental backups are taken daily between the level 0 backups.
Today is the 26th of August.
Which backups will be obsolete?

A.all backups prior to 20th of August

B.all backups prior to 10th of August

C.all backups prior to 17th of August

D.all backups prior to 22nd of August

E.all backups prior to 24th of August

Question 54

Choose two. Which two are true about PDB archive files?

A.DBMS_PDB.CHECK_PLUG_COMPATIBILITY can be run against a PDB archive.

B.They contain all the data files only in uncompressed form for a PDB.

C.They contain a PDB manifest file and all the data files in compressed form for a PDB.

D.They must be created using the DBMS_PDB package.

E.They contain all the data files only in compressed form for a PDB.

F.They contain a PDB manifest file and all the data files in uncompressed form for a PDB.

Question 55

Which three are true about RMAN persistent configuration settings, administration, and their effects? (Choose three.)

A.A target database's persistent RMAN configuration settings are always stored in the target's control file

B.Backup older than the recovery window retention policy are always deleted automatically if the backup location has insufficient space.

C.Backups written to the fast recovery area (FRA) that are oboslete based on the redundancy retention policy can be deleted automatically to free space.

D.The RMAN SHOW ALL command displays only settings with nondefault values.

E.A target database's persistent RMAN configuration settings are always synchronized automatically with the RMAN catalog.

F.The V$RMAN_CONFIGURATION view displays only settings with values that have been modified.

G.A DBA must specify either a redundancy retention policy or a recovery window retention policy.

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