Free Access Oracle.1Z0-183.v2026-07-07.q25 Practice Test (Page 2)

Which configuration change can improve RMAN backup performance for large databases?

A.Increasing the number of RMAN channels for parallelism

B.Disabling block change tracking

C.Using archivelog-only backups exclusively

D.Enabling backup compression at BASIC level

When applying quarterly Release Update (RU) patches, what is considered best practice?

A.Avoid backing up the Oracle home before patching

B.Use a staging environment to validate the patch first

C.Apply directly to production without testing

D.Disable database auditing during patching

Which two tools are part of the Real Application Testing option?
(Choose two)

A.Database Replay

B.SQL Performance Analyzer (SPA)

C.Active Session History (ASH)

D.LogMiner

Which tool is recommended for pre-upgrade checks before upgrading to Oracle Database 23ai?

A.RMAN Validate

B.LogMiner

C.AutoUpgrade utility

D.SQL*Loader

What differentiates an incremental level 1 cumulative backup from an incremental level 1 differential backup?

A.There is no difference; both back up changes since the last level 0 backup

B.Cumulative backups capture only changed blocks from the last backup, differential captures entire database

C.Differential backups reset the backup optimization counters, cumulative backups do not

D.Cumulative backups capture changes since the last level 0, differential captures since last level 1

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