Oracle Database 12c Essentials - 1z0-497 Exam Practice Test

Question 1
Your customer has two CDBs: one for Production and one for development. You are asked to create a new development PDB (salesdev) from an existing production PDB (salesprd). Which two options would accomplish this?

Correct Answer: B,C
Explanation: Only visible for Actualtests4sure members. You can sign-up / login (it's free).
Question 2
Consider 10 scenarios that result in database downtime. Which five of them are considered as planned downtime?

Correct Answer: A,B,C,E,G
Question 3
Which statement about CDB architecture is true?

Correct Answer: A
Explanation: Only visible for Actualtests4sure members. You can sign-up / login (it's free).
Question 4
Which two statements about multitenant architecture are true?

Correct Answer: A,D
Question 5
Which tool is recommended for moving a PDB to a non-CDB?

Correct Answer: B
Explanation: Only visible for Actualtests4sure members. You can sign-up / login (it's free).
Question 6
Which option represents a function of Global Data Services (GDS)?

Correct Answer: E
Question 7
Identify three types of important statistics collection that you can disable in Oracle Database 12c by setting the STATISTIS_LEVEL parameter to BASIC.

Correct Answer: A,B,D
Question 8
All database users are currently connected to the database instance and are working. The HR user opens three database sessions and executes this command in one of the sessions:
SQL> UPDATE persons SET ccode='U031' WHERE ccode='U029';
123 rows updated.
SQL> DELETE FROM persons WHERE exp='Y';
3 rows deleted.
The SYS user opens a new session after HR executes the preceding commands. Which option represents the sessions that can see the effect of the UPDATE and DELETE commands?

Correct Answer: C
Explanation: Only visible for Actualtests4sure members. You can sign-up / login (it's free).
Question 9
Why does performance degrade when many UPDATE, INSERT, or DELETEstatements are issued on a table that has an associated bitmap index?

Correct Answer: A
Explanation: Only visible for Actualtests4sure members. You can sign-up / login (it's free).
Question 10
You want to clone PDB1 and PDB2 into the same CDB. Which statement is correct?

Correct Answer: C