Free Access Oracle.1Z0-083.v2025-05-02.q283 Practice Test (Page 27)

Question 126

Choose three. Which three are true about the FLASHBACK DATABASE feature?

A.It requires that the target database be in ARCHIVELOG mode.

B.It always generates REDO and UNDO.

C.Queries and DML have the same FLASHBACK LOG overhead when flashback is enabled for a database.

D.FLASHBACK LOGS are archived after a log switch.

E.A database can be flashed back using SQL*PLUS.

F.FLASHBACK DATABASE only uses FLASHBACK LOGS to get the database to the desired flashback time.

Question 127

Which three are true about requirements for various FLASHBACKoperations? (Choose three.)

A.FLASHBACKtransaction query requires undo to retrieve all versions of a row that existed between two points in time.

B.FLASHBACKdrop requires that the RECYCLEBIN parameter be set to ON.

C.FLASHBACKversion query requires that the RECYCLEBINparameter be set to ON.

D.FLASHBACK DATA ARCHIVErequires undo to store all versions of all rows of a table being tracked.

E.FLASHBACKdrop requires undo to retrieve all versions of a row that existed between two points in time.

F.FLASHBACKversion query requires undo to retrieve all versions of a row that existed between two points in time.

Question 128

RMAN is connected to a target database instance and an auxilary instance.
You execute 3625the command:
RMAN> DUPLICATE TARGET DATABASE TO dupdb
FROM ACTIVE DATABASE SECTION SIZE 1G;
What is the outcome?

A.RMAN uses the pull method to restore files using image copies

B.RMAN uses the push method to transfer backup sets

C.RMAN uses the pull method to restore files using backup sets

D.RMAN uses the push method to transfer image copies

Question 129

Which two are true about the automatic execution of operating system scripts when performing silent mode installation starting from Oracle Database 19c? (Choose two.)

A.Silent install always runs operating scripts automatically.

B.The installer will prompt for the root or sudo password.

C.The response file can specify the path of the sudo program.

D.The response file must contain the root or sudo password.

E.The response file can specify the root or sudo password.

Question 130

Examine this command:
$ rhpctl move database -sourcehome Oracle_home_path -destinationhome Oracle_home_path For which two purposes can you use this command? (Choose two.)

A.to switch an existing Oracle Database home to a newer release of Oracle software on the same server

B.to switch to a read-only Oracle home

C.to switch back to the previous Oracle home as part of a rollback operation

D.to switch the Oracle Database home when using a centralized Rapid Home Provisioning server

E.to switch to a patched Oracle Database home

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Question 126

Question 127

Question 128

Question 129

Question 130

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