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Oracle 1Z1-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. You have been using mysqldump for logical backups of your MySQL databases. Your MySQL database size has been growing. Which two options can reduce the backup size and speed up the backup time?

A) Use mysqldump with - -incremental together with the - -compress option to back up incrementally based on previous full backup and compress the incremental backup files.
B) Use MySQL Enterprise Backup with the - -size=compress to compress the backup file.
C) Use MySQL Enterprise Backup with the - - incremental policy to back up incrementally based on previous full backup.
D) Use MySQL Enterprise Backup with the - -compress option to compress the backup files and use - - compress-level to select the level of compression.
E) Use mysqldump with the - -changesonly option.

2. Which three installation options are available for installing the MySQL Enterprise Monitor/Agent on Linux?

A) A script (with an option file) for installing MySQL Enterprise Monitor, Agent, and a MySQL Repository database
B) A CLI-based wizard MySQL Enterprise Monitor, Agent, and a MySQL Repository database
C) A GUI for installing MySQL Enterprise Monitor, Agent, and a MySQL Repository database
D) A browser-based wizard to remotely deploy the MySQL Monitor Agent
E) A MySQL Enterprise Monitor to remotely deploy the MySQL Monitor Agent

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

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

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

5. Which two methods help prevent MySQL security risks?

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

Solutions: