Free Access Oracle.1Z0-060.v2022-02-12.q102 Practice Test (Page 21)

Question 96

You want to flash back a test database by five hours.
You issue this command:
SQL > FLASHBACK DATABASE TO TIMESTAMP (SYSDATE - 5/24);
Which two statements are true about this flashback scenario?

A.The database must be MOUNTED for the flashback to succeed.

B.The database must be opened in read-only mode to check if the database has been flashed back to the correct SCN.

C.The database must be opened in restricted mode for the flashback to succeed.

D.The database must be opened with the RESETLOGS option after the flashback is complete.

E.The database must use block change tracking for the flashback to succeed.

F.The database must have multiplexed redo logs for the flashback to succeed.

Question 97

Which three can be performed on a Data Pump type external table? (Choose three.)

A.creating a public synonym for the table

B.creating a view on the table

C.partitioning the table

D.performing a CREATE TABLE AS SELECT (CTAS)to populate the table

E.creating an invisible index on the table

F.updating the table using an UPDATEstatement

Question 98

To enable the Database Smart Flash Cache, you configure the following parameters:
DB_FLASH_CACHE_FILE = '/dev/flash_device_1' , '/dev/flash_device_2'
DB_FLASH_CACHE_SIZE=64G
What is the result when you start up the database instance?

A.Two 32G flash cache files will be used.

B.It results in an error because these parameter settings are invalid.

C.One 64G flash cache file will be used.

D.Two 64G flash cache files will be used.

Question 99

You are administering a database stored in Automatic Storage Management (ASM). One of the ASM disks is dropped because of hardware failure. You replace the failed disk and want the resulting rebalance operations to occur with minimal impact on database performance.
Which two settings will help to maintain consistent database performance during the rebalance?

A.Increase the number of DBWR processes by setting a higher value for db_writer_processes.

B.Increase the number of RBAL processes.

C.Decrease the value of the disk_repair_time attribute for the disk group.

D.Increase the number of slave DBWR processes by setting a higher value for dbwrioslaves.

E.Increase the number of ARB processes by setting a higher value for asm_power_limit.

F.Define the power option while adding or removing the disks.

Question 100

Which action takes place when an incremental checkpoint occurs?

A.The checkpoint position is advanced by the checkpoint process.

B.Redo entries are written by the checkpoint process to the online redo log files.

C.All dirty buffers are written to data files by the checkpoint process.

D.The checkpoint position is written to all the data file headers and the control file by the checkpoint process.

E.The checkpoint position is written to the control file by the checkpoint process.

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