1Z0-084 Free Exam Questions & Answers (Updated 2026)

Question No 1

You must produce a consolidated formatted trace file by combining all trace files generated by all clients for a single service. Which combination of utilities does this?

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Question No 2

Which two statements are true about cursor sharing?

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Setting Cursor_sharing to FORCE can result in a plan that is suboptimal for the majority of values bound to a bind variable when executing a cursor with one or more bind variables.

Adaptive Cursor Sharing guarantees that a suboptimal plan will never be used on any execution of a SQL statement.

Setting optimizer_capture_sql_plan_baselines to TRUE loads all adaptive plans for the same statement into the cursor cache.

Setting cursor_sharing to EXACT prevents Adaptive Cursor Sharing from being used.

Adaptive Cursor Sharing requires histograms on filtered columns, used in equality predicates, to allow different execution plans to be generated for statements whose bound values would normally generate different plans at hard parse time.

Question No 3

Examine this statement and output:

Which three statements are true?

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Both 9822 and 8779 sessions are waiting for operating system resources.

Session 8779 may be waiting due to a network problem.

Session 9857 waited 1354 seconds for another process, which was also waiting for a transaction to end.

Session 9857 is not waiting.

Session 8779 may be waiting for a user or application response.

Session 9822 will always stop waiting if the session that owns the TX enqueue issues a COMMIT statement as session 9822 is the first session in the transaction queue.

Question No 4

Which two statements are true about session wait information contained in v$session or v$session_wait?

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Rows for sessions displaying WAITED UNKNOWN TIME in the STATE column indicate that the session is still waiting.

Rows for sessions that are currently waiting have a wait time of 0.

Rows for sessions that are not waiting might contain the actual wait time for the last event for which they waited.

Rows for sessions that are currently waiting have their wait time incremented every microsecond.

Rows for sessions that are not waiting always contain the total wait time since the session started.

Question No 5

For which two actions can SQL Performance Analyzer be used to assess the impact of changes to SQL performance?

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storage, network, and interconnect changes

operating system upgrades

changes to database initialization parameters

database consolidation for pluggable databases (PDBs)

operating system and hardware migrations

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