Question 1

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

Options :

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 2

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

Options :

A : innodb_ram_size=50GB

B : innodb_buffer_pool_size=50GB

C : innodb_buffer_pool=50G

Answer: B

Question 3

You want to create a temporary table named OLD_INVENTORY in the OLD_INVENTORY database on the master server. This table is not to be replicated to the slave server.

Which two changes would ensure that the temporary table does not propagate to the slave? (Choose two.)

Options :

A : Set binlog_format=MIXED with the –replicate-ignore-temp-table option.

B : Use the –replicate-do-db, –replicate-do-table, or –replicate-wild-do-table option with the value equal to OLD_INVENTORY.

C : Change the binlog_format option to ROW and restart mysqld before you create the OLD_INVENTORY table.

D : Stop SQL_THREAD on the slave until you have finished using the OLD_INVENTORY temporary table.

E : Use the –replicate-ignore-table option with the value equal to OLD_INVENTORY.OLD_INVENTORY and restart mysqld before creating the temporary table.

Answer: A,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.)

Options :

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

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?

Options :

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

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