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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Consider this SQL statement which is using the innoDB storage engine and with global AUTOCOMMIT = 1:

What is the result after issuing the rollback command?

A) Only the t1 table is created.
B) Both the tables, t1 and t2, are created.
C) Both the tables, t1 and t2, are not created because there is an explicit ROLLBACK.
D) Only the t2 table is created.

2. Which three statements describe MySQL Enterprise Backup?

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

3. The replication for a Master and Slave MySQL Servers is up and running. The disk space for Master Server is continuously growing. The binlog size keeps growing. Which two methods can fix the issue?

A) To safely purge binary log files, perform these steps:
B) Delete all binlog files manually on the file system to release storage spaces.
C) Set the expire_logs_days system variable to expire binary log files automatically after a given number of days.
D) Execute the purge binary logs statement without argument.
E) On the Master server, disable binlog by removing the --log-bin option.

4. Which two statements are true about MySQL Enterprise Firewall?

A) Server-side plug-ins named MYSQL_FIREWALL_USERS and MYSQL_FIREWALL-WHITELIST implement INFORMATION_SCHEMA tables that provide views into the firewall data cache.
B) MySQL Enterprise Firewall is available only in MySQL Enterprise versions 5.7.10.and later.
C) MySQL Enterprise Firewall shows only notifications blocked connections, which originated outside of your network's primary domain.
D) On Windows systems, MySQL Enterprise Firewall is controlled and managed by using the Windows Internet Connection Firewall control panel.
E) System tables named firewall_users and firewall_whitelist in the mysql database provide persistent storage of firewall data.
F) The firewall functionality is dependent upon SHA-256 and ANSI-specific functions built in to the mysql.firewall table. These functions cannot be deleted, even by the root user.

5. You establish MySQL Enterprise Server on Oracle Cloud Infrastructure connection via Secure Shell (SSH) For accessing a new MySQL Enterprise Edition on an Oracle Cloud Infrastructure (OCI) Instance you " Add SSH key " information during the OCI instance setup. You want to use Putty from your Windows Client to install MySQL.
What are the correct steps to accomplish this?

A) Open Port 22 on your OCI Instance and configure Putty with the ssh private key.
B) Open Port 22 on your OCI Instance and convert the private key to ppk format. This new private key can be used for authentication.
C) Use the provided private key for authentication.
D) Convert the private key to ppk format first and use the new private key for authentication.

Solutions: