Free Access Oracle.1Z0-888.v2022-08-02.q167 Practice Test (Page 18)

Question 81

You are looking at these details:

Why does the message "Waiting for an event from Coordinator" show up on the slave_worker threads?

A.The Event Schedular is not enabled on the slave host.

B.The slave is waiting for an event to come into the relay log.

C.The slave thread is waiting for another event to finish in another slave thread.

D.The binary log on the master is not being updated.

Question 82

These details are shown when logged in to an account:

Which set of statements would match the accounts shown?

A.mysql> CREATE USER 'employee'@'localhost' IDENTIFIED BY 'more_secrets';mysql> GRANT PROXY ON 'employee'@'localhost' TO 'robert'@'localhost';

B.mysql> CREATE USER 'robert'@'localhost' IDENTIFIED BY 'secret_password';mysql>CREATE USER 'employee'@'localhost' IDENTIFIED BY 'more_secrets';

C.mysql> CREATE USER 'employee'@'localhost' IDENTIFIED BY 'more_secrets';mysql> CREATE USER ''@'' IDENTIFIED BY 'valid_password' WITH PROXY 'employee'@'localhost';

D.mysql> CREATE_USER ''@'' IDENTIFIED WITH authentication_pam ACCOUNT LOCK;mysql> CREATE USER 'employee'@'localhost' IDENTIFIED BY 'more_secrets';mysql> GRANT PROXY ON 'employee'@'localhost' TO ''@'';

Question 83

Consider the key buffer in a MySQL server. Which two statements are true about this feature? (Choose two.)

A.It caches index blocks for MyISAM tables only.

B.It caches index blocks for all storage engine tables.

C.It is a global buffer.

D.It is set on a per-connection basis.

E.It caches index blocks for InnoDB tables only.

Question 84

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.)

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

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

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

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

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

Question 85

Which three allocate memory per thread in MySQL? (Choose three.)

A.query cache

B.read buffer

C.internal temporary table

D.thread cache

E.InnoDB buffer pool instance

F.sort buffer

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Question 81

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