Free Access Oracle.1Z1-083.v2022-05-30.q253 Practice Test (Page 30)

Question 141

Automatic Shared Memory Management is disabled for one of your database instances.
SomeSQL statements perform poorly due to excessive hard parse activity, thereby degrading performance.
What would be your next step?

A.Run the SQL Access Advisor.

B.Run the Memory Advisor for the System Global Area.

C.Run the SQL Tunning Advisor.

D.Run theMemory Advisor for the Program Global Area.

E.Run the Memory Advisor for the shared pool.

Question 142

Examine the command for creating pluggable database PDB2 in container database CDB2.

Select three options, any one of which is required for it to execute successfully. (Choose three.)

A.Enable only OMF.

B.Add the FILE_NAME_CONVERT clause to the statement and set the PDB_FILE_NAME_CONVERT parameter.

C.Set the PDB_FILE_NAME_CONVERT parameter and enable OMF.

D.Add only the CREATE_FILE_DEST clause to the statement.

E.Add the FILE_NAME_CONVERT clause to the statement and enable Oracle Managed Files (OMF)

F.Set only the PDB_FILE_NAME_CONVERT parameter.

Question 143

You have configured RMAN SBT channels to write backups to media.
You then take an RMAN backup by using this command:

Which three are true? (Choose three.)

A.The data file backups in the self-contained archive backup are not considered obsolete for two years regardless of the retention policy.

B.All archive logs created after this backup are kept for two years.

C.The control file is included in the self-contained archival backup.

D.The restore point is a label for the system change number (SCN) before the archival backup was taken.

E.The restore point is a label for the system change number (SCN) that will be saved two years after the archival backup was taken.

F.The SPFILE is included in the self-contaied archival backup.

Question 144

Choose three. Which three are true about SGA memory management in a multitenant database?

A.The SHARED_POOL_SIZE setting for a PDB can be up to 80% of the SHARED_POOL_SIZE setting of the root container.

B.SGA_MIN_SIZE cannot be set for a PDB.

C.The SGA_TARGET setting for a PDB cannot exceed 50% of the SGA_TARGET value of the root container.

D.Setting SHARED_POOL_SIZE for a PDB guarantees a minimum amount of Shared Pool memory for that PDB.

E.Setting SGA_TARGET for a PDB guarantees a minimum amount of SGA memory for that PDB.

F.Setting DB_CACHE_SIZE for a PDB guarantees a minimum amount of Database Buffer Cache memory for that PDB.

Question 145

Which two are facets of performance planning that should always be considered or implemented for an Oracle Database environment?

A.the physical data model

B.the configuration of storage arrays

C.using check constraints to speed up updates

D.defining primary keys for all tables to speed up all queries

E.defining foreign keys for all tables to speed up joins

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