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 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

Question 2

You have a MySQL replication setup and you intentionally stop the SQL thread on the slave.

mysql> SHOW SLAVE STATUS\G

... Slave_IO_Running: YesSlave_SQL_Running: No

What are two reasons that you may stop the SQL thread on the slave while keeping the I/O thread running? (Choose two.)

A : to allow the remaining events to be processed on the slave while not receiving new events from the master

B : to allow a backup to be created under reduced load

C : to allow for point-in-time recovery on the slave

D : to prevent schema changes from propagating to the slave before they are validated

E : to prevent any transaction experiencing a deadlock

Answer: B,C

Question 3

Which three statements are true about memory buffer allocation by a MySQL Server? (Choose three.)

A : Global buffers such as the InnoDB buffer pool are allocated after the server starts, and are never freed.

B : Thread buffers are allocated when a client connects, and are freed when the client disconnects.

C : Buffers that are needed for certain operation are allocated when the operation starts, and freed when it ends.

D : User buffers are allocated at server startup and freed when the user is dropped.

E : All dynamic buffers that are set with a SET GLOBAL statement immediately get allocated globally, and are never freed.

Answer: A,C

Question 4

You are setting up a new server and you want to reserve 50GB of RAM for InnoDB use. What option would you set

A : innodb_ram_size=50GB

B : innodb_buffer_pool_size=50GB

C : innodb_buffer_pool=50G

Answer: B

Question 5

How can we start MySQL when it was installed using RPM in Oracle Enterprise Linux 7?

A : mysqld_safe --user=mysql &

B : systemctl start mysqld

C : service start mysql

D : mysqladmin -u root start

Answer: B

Page: 1 / 79

Total 392 Questions | Updated On: Feb 19, 2026

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