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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. An Oracle Cloud Infrastructure customer already has many database instances configured and running in the cloud; however, they are reporting that they are unable to create any more instances.
What could be the problem?

A) The customer does not have proper user rights.
B) The customer has not kept up with their patching requirements; new instances cannot be created unless the majority or the template of existing instances are up-to-date.
C) The customer reached the database instance limit of 32.
D) The customer account might have reached resource quota/limits.

2. You have been using mysqldump for logical backups of your MySQL databases. Your MySQL database size has been growing. Which two options can reduce the backup size and speed up the backup time?

A) Use mysqldump with - -incremental together with the - -compress option to back up incrementally based on previous full backup and compress the incremental backup files.
B) Use MySQL Enterprise Backup with the - - incremental policy to back up incrementally based on previous full backup.
C) Use MySQL Enterprise Backup with the - -compress option to compress the backup files and use - - compress-level to select the level of compression.
D) Use mysqldump with the - -changesonly option.
E) Use MySQL Enterprise Backup with the - -size=compress to compress the backup file.

3. You want to change the default behavior of MySQL Enterprise Monitor (MEM). New instances detected by a MEM agent should automatically monitor discovered instances.
How can you change the Advisor Setting?

A) Go to the configuration section (MEM) and configure the default login credentials.
B) Go to the configuration section (Advisors) and create a new advisor rule for new MySQL instances based on the MySQL Advisor Wizard.
C) Go to the configuration section (Users) and create a new user according to the existing users of your new MySQL instances.
D) Go to the configuration section (Advisors) and edit the default settings of the MySQL Process Discovery according to the existing users of your new MySQL instances.

4. You want to create the user named jenny for any host server with the password secretpassi23! and the password is expired? Which command should you use?

A) CREATE USER ,jenny,@'%, WITH HASHED(password,,SecretPass123!,), PASSWORD EXPIRE
B) CREATE USER ,jenny *@,localhost, IDENTIFIED WITH HASH PASSWORD(,SecretPass123!,)
C) CREATE USER ,jenny,@,localhost, IDENTIFIED BY (,SecretPass123!,,,256,, Expired)
D) CREATE USER ,jenny,0,%t IDENTIFIED BY ,SecretPass123!, PASSWORD EXPIRE;
E) CREATE USER ,jenny,@,%, IDENTIFIED WITH sha256_password BY 'SecretPass123!,;

5. After installing MySQL 8.0, you initialize the data directory with the --initialize command. Which two are places where you can find the root password?

A) The root password inserted in the error log set by the --log-error=[file_name] variable
B) The root password displayed on the screen via a [warning] message.
C) As root, execute the show password command by using the SHA-256 password encryption plug-in.
D) The root_pw variable stored in the mysq1.install table.
E) The root password is not given and is blank. You must manually set the root password.

Solutions: