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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Which three statements are true about MySQL Enterprise Backup?

A) It provides the ability to create incremental backups.
B) It performs logical backups.
C) It performs hot or warm backups.
D) It cannot back up encrypted tablespaces.
E) It enables you to take non-locking backups.

2. Which activity will take place if a table is created with both the compression and encryption options?

A) The tablespace data is encrypted first and then compression is performed.
B) The compression is performed, the ''data_at_rest_flag" is turned on and the tablespace data is encrypted.
C) The system generates an error because the COMPRESSION and ENCRYPTION options cannot be used together.
D) The compression is performed before tablespace data is encrypted.

3. You need to load the MySQL Enterprise Audit plug-in at database startup and prevent the audit plug-in from being removed at run time.
Which two options should you include in the MySQL configuration file?

A) audit-log=FORCE_PLUS_PERMANENT
B) plugin-load=audit_log.so
C) LOAD PLUGIN=AUDIT_LOG
D) plugin-audit=ON, ALWAYS
E) audit_log_permanent=ON

4. You get a maintenance-notification about your MySQL Enterprise Edition in Oracle Cloud Infrastructure (OCI) Compute instance. What is re the implication?

A) Depending on the planned outage, you may not be affected by it. You need to read the maintenance details in the support notice.
B) You need to agree to the maintenance windows. If not, you are not affected by the outage.
C) There are no maintenance operations planned. You need to do them manually.
D) You can expect an outage of your MySQL OCI instance during the planned time..

5. You have three machines with MySQL Databases running on Linux platform.
Which backup procedures would allow online and remote backup of the MySQL Database on the three machines to a connected Storage NFS?

A) 1. Mount the Remote Storage NFS volume to each of the three machines with proper privilege for the backup OS user to have all access.2. Install MySQL Workbench on a separate machine, which is used to connect to the three machines to back up and restore.3. Startup MySQL backup from MySQL Workbench to back up the three databases.4. Validate the backup by using MySQL Workbench to ensure that the backup created is valid.
B) 1. Mount the Remote Storage NFS volume to each of the three machines with proper privilege for the backup OS user to have all access.2. Install MySQL Enterprise Backup on machine which is used to start the backup.3. Start mysqlbackup on only one machine with the installation to back up the databases for the three machines to the mounted volume using - -backup-dir and by giving--hosts=machine1:port1, machine2:port2, machine3:port3.4. Validate the backups using the mysqlbackup program to ensure that the backups created are valid.
C) 1. Mount the Remote Storage NFS volume to each of the three machines with proper privilege for the backup OS user to have all access.2. Install MySQL Enterprise Backup on the machine that is used to start the backup.3. Start mysqlbackup on only one machine with the installation to back up the databases for the three machines to the mounted volume using - - backup-dir and by specifying -- config-files=my1.cnf, my2.cnf, my3.cnf.my1.cnf, my2cnf, and my3.cnf are the MySQL Database Configuration files on the three machines.4. Validate the backup by using the mysqlbackup program to ensure that the backup created is valid.
D) 1. Mount the Remote Storage NFS volume to each of the three machines with proper privilege for the backup OS user to have all access.2. Install MySQL Enterprise Backup on all three machines.3. Start mysqlbackup on all machines to back up the database to the mounted volume using - -backup-dir.4. Validate the backup using the mysqlbackup program to ensure that the backup created is valid.

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