Online Access Free Oracle.1Z1-083.v2024-06-16.q191 Practice Test (Page 22)

1Z1-083 Exam Question 101

You issued this command:
RMAN> BACKUP RECOVERY FILES;
Which two are true? (Choose two.)

A.All Oracle recovery files not in the current FRA that have not been backed up already, are backed up.

B.All non-Oracle files in the current FRA that have not been backed up already, are backed up.

C.All Oracle recovery files in the current FRA that have not been backed up already, are backed up.

D.All Oracle recovery files in the current fast recovery area (FRA) are backed up.

E.These backups can be written to disk or SBT.

1Z1-083 Exam Question 102

Which three are true about Automatic Workload Repository (AWR) snapshots?

A.They are always created manually.

B.They are generated if STATISTICS LEVEL is set to ALL.

C.They are always created automatically.

D.They are generated if STATISTICS LEVEL is set to TYPICAL.

E.They are generated if STATISTICS LEVEL is set to BASIC.

F.They can be retained forever.

1Z1-083 Exam Question 103

While backing up to the Oracle Fast Recovery Area (FRA), you determined the backup is taking too long and suspect a performance bottleneck.
Which three are true about diagnosing and tuning these problems? (Choose three.)

A.Data files with a high value in V$BACKUP_ASYNC_IO.SHORT_WAITS are a potential performance bottleneck when asynchronous I/O is used.

B.If an RMAN BACKUP VALIDATE command takes roughly the same time as an actual backup, then read I/O is a likely bottleneck.

C.Setting DBWR_IO_SLAVES to a non zero value can improve backup performance when using synchronous I/O.

D.Setting DBWR_IO_SLAVESto a non zero value can improve backup performance when using asynchronous I/O/

E.If an RMAN BACKUP VALIDATE command takes roughly the same time as an actual backup, then both read and write I/O are likely bottlenecks.

F.Data files with a high value in V$BACKUP_SYNC_IO.DISCRETE_BYTES_PER_SECOND are a potential performance bottleneck when synchronous I/O is used.

G.If an RMAN BACKUP VALIDATE command takes noticeably less than an actual backup, then write I/O is a likely bottleneck.

1Z1-083 Exam Question 104

Which four are true about duplicating a database using Recovery Manager (RMAN)? (Choose four.)

A.Duplication can be done by having the auxiliary database instance pull backup sets from the target database instance.

B.A connection to an auxiliary instance is always required.

C.A subset of the target database can be duplicated.

D.A new DBID is always created for the duplicated database.

E.A connection to the recovery catalog instance is always required.

F.A backup of the target database is always required.

G.Duplication can be done by having the target database instance push copies to the auxiliary database instance.

H.A connection to the target database instance is always required.

1Z1-083 Exam Question 105

Which two are true about the execution of operating system scripts starting from Oracle Database
19c? (Choose two.)

A.orainstRoot.sh can be executed automatically by the Database installer by using sudo or root credentials.

B.root.sh can be executed automatically by the Database Installer only if it is provided with root credentials.

C.The sudo password can be specified in a response file.

D.root.sh can be executed automatically by the Database installer only by using sudo credentials.

E.The sudo password must be specified in a response file.

F.The root password cannot be specified in a response file.

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1Z1-083 Exam Question 101

1Z1-083 Exam Question 102

1Z1-083 Exam Question 103

1Z1-083 Exam Question 104

1Z1-083 Exam Question 105

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