最新的Oracle Database認證 1z0-497考試題庫

問題1

Consider 10 scenarios that result in database downtime. Which five of them are considered as planned downtime?

正確答案: D,E,F,G,I

問題2

Consider an application in which memory required for each session is 400 KB and memory required for each server process is 4 MB. The pool size is 100 and the number of shared servers used is 100. If there are 5000 client connections, what is the amount of memory used by a dedicated server?

A. 12 GB

B. 2.5 GB

C. 22 GB

D. 615 MB

E. 4 GB

正確答案: C

問題3

You are installing OracleDatabase 12c on a machine. When you run the installer; Oracle Universal installer (OUI) shows a message that says one of the product-specific prerequisite checks has failed:
Checking available swap space requirements...
Expected result: 1512MB
Actual Result: 1018MB
Check complete. The overall result of this check is: failed <<
Problem: The system does not have the required swap space.
What happens to the installation in this situation?

A. It can be continued.

B. It shows a message saying one or more prerequisite checks have failed and the installation aborts.

C. It resizes the swap space automatically when you proceed further.

D. It can be continued, but the instance cannot be started without increasing swap space.

正確答案: A

說明：（僅 VCESoft 成員可見）

問題4

After a ___________ statement is issued, a transaction ends. (select three)

A. CREATE

B. COMMIT

C. SAVEPOINT

D. SELECT

E. ROLLBACK

正確答案: A,B,E

說明：（僅 VCESoft 成員可見）

問題5

Which two statements about Automatic Data Optimization (ADO) are true?

A. You can compress at row level only for QUERY LOW.

B. ADO policies can automatically move segments when necessary.

C. ADO policies can automatically compress data when it qualifies.

D. ADO is not dependent on Heat Map, and works even if Heat Map is disabled.

E. You cannot compress at block level, but you can compress at segment level.

正確答案: B,C

問題6

Which two statements represent where Oracle Net must reside?

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

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

C. Only on the database server for web-based applications

D. Only on the client for traditional client/server applications

正確答案: B,C

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