Oracle 1Z0-183 : Oracle AI Database Administration Professional

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Oracle 1Z0-183 Exam Syllabus Topics:

Oracle AI Database Administration Professional Sample Questions:

1. Why must the RESETLOGS option be used when opening a database after incomplete recovery?

A) It creates a new incarnation of the database and resets the redo sequence
B) It merges temporary and permanent tablespaces
C) It bypasses datafile header checks
D) It preserves the SCN for the next recovery

2. How does DBCA support database upgrades?

A) By converting all non-CDBs to PDBs automatically
B) By skipping execution of post-upgrade scripts
C) By disabling redo log archiving temporarily
D) By providing a guided interface for direct database version upgrades

3. What is the recommended approach for tuning the buffer cache size?

A) Increase DB_BLOCK_SIZE for better caching
B) Increase cache size until the library cache hit ratio exceeds 99%
C) Disable automatic memory management and use manual tuning only
D) Use Automatic Memory Management (AMM) or Automatic Shared Memory Management (ASMM) to let Oracle manage memory dynamically

4. How does Flashback Table differ from Flashback Database in terms of scope and impact?

A) Flashback Table requires archive logs; Flashback Database uses only undo data
B) Flashback Table disables redo log application; Flashback Database enforces redo consistency
C) Flashback Table reverts the entire database; Flashback Database affects a specific table
D) Flashback Table operates at the object level; Flashback Database rewinds the entire database instance

5. How does Oracle Restart enhance availability for single-instance databases?

A) By restarting database components such as listeners, databases, and ASM automatically after failures or reboots
B) By managing RAC node failover events
C) By eliminating the need for ASM
D) By automatically applying rolling patches

Solutions: