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Pass the Oracle MySQL Database Administration 1z0-888 Questions and answers with CertsForce

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Viewing questions 31-40 out of questions
Questions # 31:

You are creating a strategy for backing up MySQL using a cold binary backup. The MySQL instance is a replication master with global transaction identifiers (GTIDs) enabled and it uses Transparent Data Encryption (TDE). Other than the configuration required to make the instance a replication master and enabled GTIDs and TDE, the instance is using all default settings.

The requirements for the backup are:

    It must be possible to rebuild the instance using the backup.

    It must be verified.

    It must allow for a catastrophic hardware failure.

Which four steps must be included in the backup strategy? (Choose four.)

Options:

A.

Include the keyring data and/or configuration in the backup.


B.

Restore the backup to a clean MySQL instance.


C.

Copy the backup to a remote host.


D.

Include the MySQL socket file in the backup.


E.

Include the ibtmp1 file in the backup.


F.

Include the relay logs in the backup.


G.

Include the operating system disk encryption key in the backup.


Expert Solution
Questions # 32:

Which MySQL utility copies the master instance to a slave instance on the same host?

Options:

A.

mysqlfailover


B.

mysqldbcopy


C.

mysqlrplsync


D.

mysqlserverclone


Expert Solution
Questions # 33:

Consider the two partial outputs of the SHOW GLOBAL VARIABLES command from a master and slave server:

Master:

Question # 33

Slave:

Question # 33

There is a problem with the slave replicating from the master. Which statement describes the cause of the problem?

Options:

A.

The log_bin variable is set to OFF on the slave.


B.

server_id is not unique.


C.

The max_connections variable on the slave needs to be increased.


D.

The shared_memory_base_name variable must match the master.


E.

The version of the slave is newer that the version of the master.


Expert Solution
Questions # 34:

Consider the ANALYZE TABLE command.

In which two situations should this command be used?

Options:

A.

when you want to check a tables structure to see if it may have been damaged and needs repair


B.

when you need to find out why a query is taking a long time to execute


C.

when you want to update index distribution statistics


D.

after large amounts of table data have changed


Expert Solution
Questions # 35:

When you examine a new MySQL installation with default configuration, you find a file called ibdata1 in the database directory. Which two statements are true about this file? (Choose two.)

Options:

A.

it contains the binary log.


B.

it contains a general tablespace.


C.

it is the default location for all new tables that you create.


D.

it contains the system tablespace.


E.

it contains the redo log.


F.

it contains the undo log.


Expert Solution
Questions # 36:

Consider that local disk files are accessible via MySQL with commands such as:

mysql> LOAD DATA LOCAL INFILE ‘/etc/passwd’ INTO TABLE mypasswords;

What change could be made to stop any breach via this insecurity?

Options:

A.

executing REVOKE LOAD FROM *.*


B.

setting the --local-service=0 option when starting mysqld


C.

executing REVOKE FILE FROM *.*


D.

executing REVOKE FILE ON *.* FROM ‘ ’ @’%’


E.

setting the --local-infile=0 option when starting mysqld


F.

setting the --open-files-limit=0 option when starting mysqld


Expert Solution
Questions # 37:

Consider:

Question # 37

What does the range value in the type column mean?

Options:

A.

You can use an index and return rows that fall within a range of values.


B.

The table will be scanned over a certain range of values.


C.

This type of index uses the range hash.


D.

There is a range of indexes that can be used.


Expert Solution
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