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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Which two methods help prevent MySQL security risks?

A) Use a firewall to control access to MySQL ports.
B) Allow unauthorized clients to connect to the server.
C) Use the secure installation script "mysql_alays_secure_installation".
D) Grant only permissions that a user requires.
E) Transmit plain (unencrypted) data over networks.
F) Ensure that MySQL accounts have short and easy passwords.

2. Which three components can MySQL InnoDB Cluster use to Achieve database high availability?

A) MySQL X Plugin to enable MySQL to use the X Protocol to speed up and monitor data replication.
B) MySQL Router to ensure client requests are load balanced and routed to the correct servers.
C) MySQL Online Hot Backup to keep data consistent and always ready to be used.
D) MySQL Shell to create and administer InnoDB Clusters using the built-in AdminAPI.
E) MySQL Servers with Group Replication to replicate data to all members of the cluster.

3. Which three prerequisites are needed for creating an Oracle Linux VM instance in the Oracle Cloud Infrastructure?

A) Custom Image
B) subnet configured on a Virtual Cloud Network (VCN)
C) bare metal Oracle Linux shape
D) existing VCN
E) ssh key pair
F) Object Storage

4. 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) 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.
B) MySQL Enterprise Backup does not back up system data so that it is much faster.
C) 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.
D) 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.
E) mysqlbackup from MySQL Enterprise Backup allows logical backup with concurrency built in to get faster backup speed and restoration speed.

5. Which two statements are true about MySQL Enterprise Authentication?

A) MySQL Enterprise Authentication supports Windows Active Directory.
B) MySQL Enterprise Authentication supports Linux Pluggable Authentication Modules (PAM).
C) MySQL Enterprise Authentication determines what operation the user can perform.
D) MySQL Enterprise Edition automatically connects to Oracle Password Vault to verify user passwords..
E) MySQL Enterprise Authentication makes it more difficult to set up security because you have different sets of security policies.

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