Free Access Oracle.1z0-062.v2022-12-05.q411 Practice Test (Page 65)

Question 316

A PFILE exists for your database. You want to increase the value of the PROCESSES parameter from 300 to
400 and make it persistent for your database instance.
You plan to use the ALTER SYSTEM command.
Which two methods can be used? (Choose two.)

A.Use the PFILE to STARTUP MOUNT the database instance, and then execute the ALTER SYSTEM SET PROCESSES=400 command.

B.Edit PFILE manually, re-create the SPFILE from the edited PFILE, and restart the database instance by using the SPFILE.

C.Start the database instance by using the PFILE, and then execute the ALTER SYSTEM SET PROCESSES=400 SCOPE=BOTH command.

D.Create an SPFILE, STARTUP MOUNT the database instance by using the SPFILE, and then execute the ALTER SYSTEM SET PROCESSES=400 command.

E.Create an SPFILE, start the database instance by using the SPFILE, and then execute the ALTER SYSTEM SET PROCESSES=400 SCOPE=SPFILE command.

F.Create an SPFILE, start the database instance by using the SPFILE, and then execute the ALTER SYSTEM SET PROCESSES=400 SCOPE=DEFERRED command.

Question 317

You create a table with the PERIOD FOR clause to enable the use of the Temporal Validity feature of
Oracle Database 12c.
Examine the table definition:

Which three statements are true concerning the use of the Valid Time Temporal feature for the
EMPLOYEES table? (Choose three.)

A.The valid time columns employee_time_start and employee_time_end are automatically created.

B.The valid time columns are not populated by the Oracle Server automatically.

C.The same statement may filter on both transaction time and valid temporal time by using the AS OF
TIMESTAMP and PERIOD FOR clauses.

D.Setting the session valid time using DBMS_FLASHBACK_ARCHIVE.ENABLE_AT_VALID_TIME sets
the visibility for data manipulation language (DML), data definition language (DDL), and queries
performed by the session.

E.The valid time columns are visible by default when the table is described.

Question 318

You are using RMAN to back up your database. All the data files are in read/write mode.
Examine the RMAN configuration parameters:

Which two statements are true about a whole consistent backup of a database running in ARCHIVELOG
mode? (Choose two.)

A.The backup can be used as an incremental level 0 backup.

B.The backup consists of blocks that have been formatted.

C.The database must be in MOUNT state to take the backup.

D.The database instance must be shut down to take the backup.

E.The system Change Number (SCN) is the same for all the data files in the backup.

Question 319

Which three statements are true about checkpointing? (Choose three.)

A.It promptsthe Checkpoint (CKPT) process to write data to the data files and redo information to the online redo log files.

B.It ensures that all dirty buffers are written to data files during consistent shutdown.

C.It reduces the time required for recovery in caseof an instance failure.

D.Frequent thread checkpoints can degrade database performance.

E.It prompts the Database Writer (DBWn) process to write checkpoint information into data file headers and the control file.

Question 320

Which two statements are true about the Database Configuration Assistant (DBCA)? (Choose two.)

A.It can be used to create a database template from an existing database.

B.It can be used to add a new tablespace.

C.It can generate SQL database creation scripts.

D.It can be used to copy an existing Oracle database to a new host and apply any patches necessary in
the new host.

E.It can configure Automatic Storage Management (ASM) diskgroups.

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Question 317

Question 318

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Question 320

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