Free Access Oracle.1Z0-888.v2022-08-02.q167 Practice Test (Page 34)

Question 161

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?

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 162

Why should you be selective when granting the PROCESSprivilege to an account?

A.It allows a client to process scripts.

B.It allows the use of stored routines.

C.It allows a client to see another user's queries with the SHOW PROCESSLISTcommand.

D.It allows a client to control running processes on a server.

Question 163

You are using replication and the binary log files on your master server consume a lot of disk space.
Which two steps should you perform to safely remove some of the older binary log files? (Choose two.)

A.Use the command PURGE BINARY LOGS and specify a binary log file name or a date and time to remove unused files.
A: To safely purge binary log files, follow this procedure:
1. On each slave server, use SHOW SLAVE STATUS to check which log file it is reading.
2. Obtain a listing of the binary log files on the master server with SHOW BINARY LOGS.
3. Determine the earliest log file among all the slaves. This is the target file. If all the slaves are up to date, this is the last log file on the list.
4. Make a backup of all the log files you are about to delete. (This step is optional, but always advisable.)
5. Purge all log files up to but not including the target file.
Syntax:
PURGE { BINARY | MASTER } LOGS
{ TO 'log_name' | BEFORE datetime_expr }

B.Ensure that none of the attached slaves are using any of the binary logs you want to delete.

C.Execute the PURGE BINARY LOGS NOT USED command.

D.Remove all of the binary log files that have a modification date earlier than today.

E.Edit the .index file to remove the files you want to delete.

Question 164

You attempt to connect to a MySQL Server by using the mysql client program. However, you receive this notice:

What would you run to fix the issue?

A.the mysql_upgrade script

B.the mysql client with the --ignore-password-hashing option

C.the mysql_secure_installation script to update server security settings

D.the mysql client with the --enable-cleartext-plugin option

E.the install plugin command for the mysql_cleartext_password plugin

Question 165

You have just created a replication slave from a backup of the master made with mysqldump:

You try to log in to the slave with the application user, but fail as follows:

The login works on the master.
Which two changes to the process can fix the issue?

A.Use the --flush-privileges with mysqldump.

B.Add a second dump for the 'mysql' database; --all-databases does not include it.

C.After the restore, log in to the database and execute FLUSH PRIVILEGES.

D.Use the --grants option to include GRANT statements in the dump.

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