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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Which three statements describe MySQL Enterprise Backup?

A) MySQL Enterprise Backup is an optimized backup based on mysqldump with optimized row locking.
B) MySQL Enterprise Backup can be used to import/export data from on-premises MySQL installations.
C) MySQL Enterprise Backup provides the point-in-time recovery functionality.
D) MySQL Enterprise Backup can be used to send backups to Oracle Cloud Infrastructure Storage Service.
E) MySQL Enterprise Backup offers backup based on Oracle RMAN with optimized row locking.

2. An existing MySQL Database environment has been doing backup and restore in a logical way by using the mysq1dump and mysq1 client utilities. When the backup is started using mysqldump with single-transaction mode, the existing application has long wait time. When the restore is required, it takes more than three hours to restore.
What two are benefits of using mysqlbackup from MySQL Enterprise Backup in this situation?

A) MySQL Enterprise Backup provides tape backup integration by default. It has the virtual tape option, which allows backup to tape device directly without extra third-party software integration.
B) mysqlbackup utilities dump the full database into a SQL file, which is imported into the mysql client in single-thread mode. mysqlbackup restores data from physical backups. Physical backup methods are faster than logical methods because they involve only file coping without conversion.
C) mysqlbackup from MySQL Enterprise Backup allows logical backup with concurrency built in to get faster backup speed and restoration speed.
D) MySQL Enterprise Backup does not back up system data so that it is much faster.
E) mysqlbackup can back up tables with the InnoDB engine without blocking. The backup is hot with InnoDB. Together with Incremental Backup, mysqlbackup from MySQL Enterprise Backup shortens the backup windows.

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

A) The compression is performed, the ''data_at_rest_flag" is turned on and the tablespace data is encrypted.
B) The tablespace data is encrypted first and then compression is performed.
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.

4. How would you restrict a user Joe from accessing all MySQL database objects?

A) REVOKE ALL PRIVILEGES, GRANT OPTION FROM ,joe,@,%,;
B) CREATE USER , joe,@1' %' DENY ALL PRIVILEGES
C) UPDATE mysql.user SET Password=PASSWORD(,Invalid,) WHERE User=,joe';
D) Insert Joe,s name into the mysql.user_restriction cable, and issue the FLUSH PRIVILEGES command.
E) CREATE USER ,joe'@,0.0.0.0, SET Password=PASSWORD(,% ! %,)

5. You establish MySQL Enterprise Server on Oracle Cloud Infrastructure connection via Secure Shell (SSH).
When accessing a new MySQL Enterprise Edition Oracle Cloud Infrastructure (OCI) instance, you want to use MySQL Enterprise Workbench for SQL and remote management.
What are two ways to successfully configure Workbench based on the MySQL access credentials?

A) Configure the MySQL Router first and based on those settings, you access your MySQL CS instance.
B) Configure TCP/IP over SSH and based on the created private key, opc-User, and MySQL access credentials, you can access the MySQL OCI instance.
C) Convert the private key to ppk format first. Based on TCP/IP over SSH and based on the created private key, opc-user, and MySQL access credentials, you can access the MySQL CS instance.
D) Open the MySQL OCI instance access port 3306. For the MySQL connection, you use this port, and, in addition, you configure the remote management based on SSH based on the provided key.

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