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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. You set up a compressed full backup file from mysqlbackup by using the --compress option for MySQL Database backup. You are required to restore the database and apply the log.
Which two options should you add to the mysqlbackup to achieve the restoration of the database?

A) --copy-back-and-apply-log
B) --uncompress
C) --decompress
D) --uncompress-and-apply-log
E) --apply-log-and-copy-back

2. Which is true about inserting an additional line in a single document stored in MySQL document store?

A) You cannot insert a single line, you have to replace the entire document with a new document.
B) The path specified must be an array position past the end of an array using the JSON_POSITION statement.
C) You specify the new element,s position in the JSON_ARRAY_INSERT statement.
D) Any new lines can only be inserted at the end of the document.

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

A) System tables named firewall_users and firewall_whitelist in the mysql database provide persistent storage of firewall data.
B) Server-side plug-ins named MYSQL_FIREWALL_USERS and MYSQL_FIREWALL-WHITELIST implement INFORMATION_SCHEMA tables that provide views into the firewall data cache.
C) 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.
D) On Windows systems, MySQL Enterprise Firewall is controlled and managed by using the Windows Internet Connection Firewall control panel.
E) MySQL Enterprise Firewall shows only notifications blocked connections, which originated outside of your network's primary domain.
F) MySQL Enterprise Firewall is available only in MySQL Enterprise versions 5.7.10.and later.

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

5. Which two statements are correct about MySQL Enterprise Edition?

A) MySQL Enterprise Edition can be installed on an Oracle Cloud Infrastructure Compute Instance.
B) MySQL Enterprise Product Suite can be installed on an Oracle Cloud Infrastructure Virtual Cloud Network.
C) Oracle offers 24x7, global support for MySQL Enterprise Edition products installed on Oracle Cloud Infrastructure Compute Instances.
D) Oracle MySQL Enterprise tools & plugins are available as optional services (installation Feature Pack I/II).
E) MySQL configuration can be changed in /etc/lib/myi.cnf.

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