Free Access Oracle.1Z0-888.v2022-08-02.q167 Practice Test (Page 16)

Question 71

How does the InnoDB storage engine handle deadlocks when they are detected?

A.Both the affected transactions will be rolled back.

B.The affected transactions wait for innodb_lock_wait_timeout seconds, and then roll back.

C.One of the affected transactions will be rolled back, the other is allowed to proceed.

D.The transaction isolation level determines which transaction is rolled back.

E.The innodb_locks_unsafe_for_binlog setting determines which transaction is rolled back.

Question 72

The MySQL installation includes the mysql_config_editor utility for managing login paths stored in a
.mylogin.cnf file.
Which two are true about the login path feature? (Choose two.)

A.A .mylogin.cnf file can store at most one login path.

B.It is an alternative to storing the MySQL login details in a my.cnf file.

C.mysql_config_editor is the only MySQL-provided utility that can print the values stored in .mylogin.cnf.

D.It provides means to help avoid accidentally exposing the MySQL login details.

E.A .mylogin.cnf file can be edited using a text editor, such as vim or Notepad++.

F.It provides a FIPS-compliant keyring for storing MySQL login details.

Question 73

An existing master-slave setup is currently using a delayed replication of one hour. The master has crashed and the slave must be "rolled forward" to provide all the latest data.
The SHOW SLAVE STATUS indicates these values:
RELAY_LOG_FILE=hostname-relay-bin.00004
RELAY_LOG_POS=1383
Which command set would make the slave current?

A.STOP SLAVE; CHANGE MASTER TO MASTER_DELAY=0; RELAY_LOG_FILE = 'hostname-relay-bin.00004', RELAY_LOG_POS = 1383;

B.STOP SLAVE; CHANGE MASTER TO MASTER_DELAY=0; START SLAVE;

C.STOP SLAVE; CHANGE MASTER TO RELAY_LOG_FILE = 'hostname-relay-bin.00004',RELAY_LOG_POS = 1383;

D.STOP SLAVE; SET GLOBAL master_delay=0; START SLAVE;

Question 74

After rebooting the host, you attempt to start the mysqld service. You get the following error:
Can't start the server: Bind on TCP/IP port: Address already in use
What is the most likely cause of this error?

A.The network service process in the server is frozen, so all TCP/IP connections are paused and cannot be reused.

B.You failed to specify the port number 3306 to the command to start the server, so it is defaulting to port 80, which is in use by the built-in web server.

C.The mysql.sock file in the MySQL /tmp directory was not removed after the reboot, so mysqld still thinks there is an active server running.

D.The /etc/hosts file does not have a valid IP entry for mysqld localhost, so it is binding to 127.0.0.1, which is already in use.

E.The mysql service has already been started on the same port.

Question 75

Which two statements are true regarding the creating of new MySQL physical and logical backups?
(Choose two.)

A.Physical backups can be used to recover from data corruption.

B.Logical backups are human-readable whereas physical backups are not.

C.Logical backups are always larger than physical backups.

D.Physical backups are usually faster than text backups.

E.Physical backups are usually slower than text backups.

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Question 71

Question 72

Question 73

Question 74

Question 75

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