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 01, 2021

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Question 1

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 2

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 3

You have forgotten the root user account password. You decide to reset the password and execute:

2020-03-14-14-37-11-4ec4153145d3e66368ed58ed6f5922f5

Which additional argument makes this operation safer?

A : --old-passwords, to start MySQL to use the old password format while running without the grant tables.

B : --reset-grant-tables, to start the server with only the mysql database accessible.

C : --read-only, to set all data to read-only except for super users

D : --skip-networking, to prohibit access from remote locations

Answer: D

Question 4

Which two statements are true about using MySQL Enterprise Monitor Query Analyzer? (Choose two.)

A : The single query QRTi pie chart in the Query Analyzer view is based on the average execution of all statements.

B : It is possible to retrieve a normalized statement, but never the exact statement that was executed.

C : It is possible to configure the Query Analysis built-in advisor to get notified about slow query execution.

D : It is possible to list and analyze statements in an arbitrary graph range selection from timeseries graphs.

E : It is possible to import data into the Query Analyzer from heterogeneous sources, such as CSV.

Answer: C,D

Question 5

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

Page: 1 / 79

Total 392 Questions | Updated On: Mar 01, 2021

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