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: Feb 19, 2026

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Question 1

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

Question 2

Your MySQL environment has asynchronous position based-replication with one master and one slave.

The slave instance had a disk I/O problem, so it was stopped.

You determined that the slave relay log files were corrupted and unusable, but no other files are damaged.

You restart MySQL Server.

How can replication be restored?

A : The slave relay logs should be deleted; then execute START SLAVE;

B : The relay logs from the master should be used to replace the corrupted relay logs.

C : The slave relay logs should be deleted; execute CHANGE MASTER to adjust the replication relay log file name, then issue start SLAVE;

D : The slave needs to be restored from backup.

Answer: B

Question 3

You are considering using file-system snapshots to back up MySQL.

Which three statements are true? (Choose three.)

A : They take roughly twice as long as logical backups.

B : They allow direct copying of table rows with operating system copy commands.

C : They work best for transaction storage engines that can perform their own recovery when restored.

D : The backup window is almost zero from the perspective of the application.

E : They do not back up views, stored procedures, or configuration files.

F : There is a slight performance cost while the snapshot is active.

G : They do not use additional disk space.

Answer: A,C

Question 4

Which statement is true about FLUSH LOGS command?

A : It requires the RELOAD, FILE, and DROP privileges.

B : It closes and reopens all log files.

C : It closes and sends binary log files to slave servers.

D : It flushes dirty pages in the buffer pool to the REDO logs.

Answer: B

Question 5

Examine this command and output:

Which statement is true?

A : Firewall_cached_entries is the number of statements found in the query cache for users in DETECTING mode.

B : Firewall_access_denied is the number of connection attempts from prohibited hosts that are denied.

C : Firewall_access_suspicious is the number of statements logged as suspicious for users in DETECTING mode.

D : Firewall_access_granted is the number of connections granted from whitelisted hosts.

Answer: C

Page: 1 / 79

Total 392 Questions | Updated On: Feb 19, 2026

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