Free Access Oracle.1Z1-083.v2022-05-30.q253 Practice Test (Page 9)

Question 36

Which two are true about OS groups and users for Oracle Grid Infrastructure and the Oracle Relational Database Management System (RDBMS)?

A.The Oracle Grid Infrastructure owner owns Oracle Restart and Oracle Automatic Storage Management binaries.

B.The Oracle Grid Infrastructure owner must have OSOPER, OSBACKUPDBA, and OSKMDBA as secondary groups.

C.The same OSDBA group must be used for Automatic Storage Management and the Oracle Database.

D.The Oracle Grid Infrastructure Installation must be owned by the grid user.

E.By default, members of the OSASM group can access Automatic Storage Management and RDBMS instances.

F.The primary group for the Oracle Grid Infrastructure and Oracle Database owners must be the Oracle Inventory group.

Question 37

Choose three. The HR_ROOT application container must support the execution of a query on a table shared by application local PDBs PDB1 and PDB2, and remote PDB PDB3. Which three are true?

A.PDB3's application root replica must exist in the local CDB.

B.A proxy PDB must exist in the application root in the remote CDB.

C.A database link must exist in the local CDB root referring to the remoteCDB.

D.The HR_ROOT replica must exist in the remote CDB.

E.A proxy PDB must exist in the application root in the local CDB.

F.A database link must exist in the remote CDB referring to the local CDB.

Question 38

Which two are true about gathering optimizer statistics? (Choose two.)

A.Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to CDB$ROOT gathers object statistics in all open PDBs except PDB$SEED.

B.Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to a PDB opened in read/write mode gathers object statistics for that PDB.

C.Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to CDB$ROOT gathers object statistics only in CDB$ROOT.

D.System statistics can be gathered only while connected to CDB$ROOT.

E.Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to CDB$ROOT gathers object statistics in all open pluggable databases (PDBs)

Question 39

Your CDB has two regular PDBs as well as one application container with two application PDBs and an application seed No changes have been made to the standard PDB$SEED.
How many default temporary tablespaces can be assigned in the CDB?

A.five

B.seven

C.eight

D.three

E.six

Question 40

Which two are true about Oracle Optimizer Statistics, their use, and their collection? (Choose two.)

A.Index balanced B*Tree height is considered when evaluating the cost of using an index.

B.The number of table rows is considered when evaluating the cost of accessing a table using an index.

C.The Statistics Advisor can help recommend the best way to gather statistics.

D.Statistics collected using DBMS_STATS always yield the best optimizer result.

E.The Statistics Advisor generates actions for all recommendations.

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Question 36

Question 37

Question 38

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Question 40

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