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1z0-497 Exam Dumps : Oracle Database 12c Essentials

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Oracle Database 12c Essentials Questions and Answers

Question 1

Which two statements represent where Oracle Net must reside?

Options:

A.

Only on the client for traditional client/server applications

B.

Only on the database server for web-based applications

C.

On both the web server and database server for web-based applications

D.

On both the client and database server for traditional client/server applications.

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Question 2

Real-Time ADDM detects a high-load performance issue within the database. Which condition triggered it?

Options:

A.

The average active sessions were more than three times the number of CPU cores.

B.

Active sessions were more than 10% of total load and CPU utilization was more than 50%.

C.

Memory allocations were more than 95% of physical memory.

D.

Hung sessions were more than 10% of total sessions.

E.

A deadlock was detected.

F.

The session limit was close to 100%.

Question 3

Which two statements about switchover and failover are true?

Options:

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.