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1z0-888 Exam Dumps : MySQL 5.7 Database Administrator

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MySQL 5.7 Database Administrator Questions and Answers

Question 1

A master-slave replication setup has the slave showing this error:

On the master server, the binary logs show:

What could explain this error? (Choose two.)

Options:

A.

binlog_cache_size=1024 is too small and transactions are lost.

B.

binlog_format=STATEMENT and a non-deterministic query was executed.

C.

enforce_gtid_consistency=ON and consistency is broken between the master and the slave.

D.

The sync_relay_log=1000 setting on the slave is too small.

E.

sync_binlog=0 and the master server crashed.

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Question 2

You are no longer able to log in to an existing MySQL Server because the root password credentials not working. You need to reset the root password to complete various administrative tasks. What are the two major methods that will achieve this? (Choose two.)

Options:

A.

Start the MySQL Server in --safe-mode, which only loads the privilege system for changes as data is inaccessible.

B.

Start the MySQL Server with reset-root-password in my.cnf, which will prompt you to enter a new root user password.

C.

Start the MySQL Server with --init-file pointing to SQL that executes an ALTER USER statement to change the root user password.

D.

Start the MySQL Server with --skip-grant-tables and execute SQL, which will update the root password.

E.

Start the MySQL Server with –initialize-insecure to force a password reset procedure on the command line.

Question 3

Host slave1 has ip address 192.0.2.10.

Host slave2 has ip address 203.0.113.50

Examine these commands:

Why did this error occur?

Options:

A.

The host on the command line is not defined in the login path.

B.

The mysqld instance has not been restarted after creating the login path.

C.

There is no password defined in the login path.

D.

The DNS is not configured correctly for slave1 host.

E.

The .mylogin.cnf file is not readable.