Free Oracle 1Z0-908 Exam Questions

Become Oracle Certified with updated 1Z0-908 exam questions and correct answers

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Total 392 Questions | Updated On: Mar 24, 2026

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Question 1

When using MySQL Group Replication you can use the following storage engines:

A : InnoDB and MyISAM

B : InnoDB

C : MyISAM

D : All the engines included with MySQL

Answer: B

Question 2

You are attempting to secure a MySQL server by using SSL encryption.

On starting MySQL, you get this error:

[ERROR] mysqld: unknown option ‘--ssl’

What is the cause of the error?

A : The -- ssl level was not specified.

B : The server was not started with the --enable–ssl-plugin option.

C : --ssl is not a valid server option.

D : The mysqld binary was not compiled with SSL support.

E : The server’s SSL certificate was invalid.

Answer: D

Question 3

On a master server that is using Statement-based replication a table of log data has become very large. You decide to delete 100,000 rows.

Which two methods can be independently invoked to ensure that the delete is properly propagated to the slave? (Choose two.)

A : Use the LIMIT clause to limit the deletion to 100,000 rows.

B : Change the replication mode to MIXED before issuing any delete statements when the LIMIT clause is used.

C : Use the LIMIT clause in conjunction with the ORDER BY clause.

D : Use the data modification is non-deterministic, the query optimizer will resolve any potential issues.

Answer: B,C

Question 4

Force Majeure is a catastrophic failure on a major level of the database operation. Regular backups are key to helping avoid data loss in such situations.

Which two other steps can help avoid data loss in a major catastrophe? (Choose two.)

A : Implement a failover strategy to another geographic location.

B : Create a master-master pair for each service.

C : Have a second data centre in a different region or country.

D : Keep software updated to the latest version.

E : Use RAID 10 storage for data.

F : Use on-site network-attached storage to separate service from data.

Answer: A,C

Question 5

Examine this statement, which executes successfully:

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You want to improve the performance of this query:

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Which change enables the query to succeed while accessing fewer rows?

A : ALTER TABLE world.city ADD SPATIAL INDEX (Name);

B : ALTER TABLE world.city ADD SPATIAL INDEX (Population);

C : ALTER TABLE world.city ADD INDEX (Population);

D : ALTER TABLE world.city ADD INDEX (Name);

E : ALTER TABLE world.city ADD FULLTEXT INDEX (Name);

F : ALTER TABLE world.city ADD FULLTEXT INDEX (Population);

Answer: B

Page: 1 / 79

Total 392 Questions | Updated On: Mar 24, 2026

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