Free Access Oracle.1z0-062.v2022-06-21.q305 Practice Test (Page 58)

Question 281

The DEFERRED_SEGMENT_CREATION parameter is set to TRUE in your database instance.
You execute the following command to create a table:

Which two statements are true? (Choose two.)

A.A segment is allocated for the table if the ALTER TABLE... ALLOCATE EXTENT command is issued.

B.The table is created and extents are immediately allocated as per the default storage defined for its tablespace.

C.A segment is allocated when an index is created for any column in the table.

D.The table is created without a segment because the storage clause is missing.

E.A segment is allocated when the first row is inserted in the table.

Question 282

Which three statements are true about adaptive SQL plan management? (Choose three.)

A.It automatically performs verification or evolves non-accepted plans, in COMPREHENSIVE mode when they perform better than existing accepted plans.

B.The optimizer always uses the fixed plan, if the fixed plan exists in the plan baseline.

C.It adds new, bettor plans automatically as fixed plans to the baseline.

D.The non-accepted plans are automatically accepted and become usable by the optimizer if they perform better than the existing accepted plans.

E.The non-accepted plans in a SQL plan baseline are automatically evolved, in COMPREHENSIVE mode, during the nightly maintenance window and a persistent verification report is generated.

Question 283

You created an encrypted tablespace:

You then closed the encryption wallet because you were advised that this is secure.
Later in the day, you attempt to create the EMPLOYEES table in the SECURESPACE tablespace with the SALT option on the EMPLOYEE column.
Which is true about the result?

A.It generates an error when creating the table because the wallet is closed.

B.It creates the table successfully but does not encrypt any inserted data in the EMPNAME column because the wallet must be opened to encrypt columns with SALT.

C.It creates the table successfully, and encrypts any inserted data in the EMPNAME column because the wallet needs to be open only for tablespace creation.

D.It generates error when creating the table, because the salt option cannot be used with encrypted tablespaces.

Question 284

Which statement is true about Oracle Net Listener?

A.It acts as the listening endpoint for the Oracle database instance for all local and non-local user
connections.

B.A single listener can service only one database instance and multiple remote client connections.

C.Service registration with the listener is performed by the process monitor (PMON) process of each
database instance.

D.The listener.ora configuration file must be configured with one or more listening protocol addresses to
allow remote users to connect to a database instance.

E.The listener.ora configuration file must be located in the ORACLE_HOME/network/admin directly.

Question 285

Your single-instance Oracle 12c database home currently supports conventional auditing and uses Automatic Storage Management (ASM). You want to enable unified auditing by executing the command:
$ make -fins_rdbms.mk uniaud_on ioracle ORACLE_HOME=$ORACLE_HOME
Which two steps should you perform before executing this command? (Choose two.)

A.Ensure that the initialization parameter AUDIT_TRAIL is set to DB.

B.Drop any existing fine-grained audit (FGA) policies.

C.Stop the listener.

D.Shut down the database instance.

E.Disable auditing by setting the initialization parameter AUDIT_TRAIL to NONE.

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Question 281

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