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Oracle Database 12c Essentials: 1Z0-497

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Oracle Database 12c Essentials: 1Z0-497

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  • Vendor: Oracle
  • Exam Code: 1Z0-497
  • Exam Name: Oracle Database 12c Essentials
  • Certifications: Oracle Certifications
  • Total Questions: 150 Q&As
  • Updated on:
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Free 1Z0-497 Exam Questions in PDF Format

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1Z0-497 Online Practice Questions and Answers

Questions 1

Identify three key properties of a transaction in Oracle Database 12c.

A. durability

B. consistency

C. concurrency

D. isolation

E. scalability

F. manageability

Show Answer

Questions 2

Which two statements about switchover and failover are true?

A. A snapshot standby can be the target of a switchover or fast-start failover operation.

B. Neither a switchover nor a failover is possible to a far sync instance.

C. For fast-start failover, you must preselect the target standby database that will be used.

D. You can activate a standby database to test whether it is being updated correctly.

Show Answer

Questions 3

Which three events signal a database writer (DWR) to write buffers to disk?

A. The database advances a checkpoint.

B. A client process commits a transaction.

C. The redo log buffer becomes full.

D. A server process cannot find non-dirty blocks after scanning a threshold number of buffers.

E. A tablespace is changed to read-only status.

F. The database is shut down in immediate mode.

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