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Oracle 1Z0-921 Exam Syllabus Topics:

Section	Weight	Objectives
MySQL Enterprise Monitor	10%	- Custom Advisors configuration - Architecture: Service Manager and Agents - Query Analyzer usage - Features and benefits
High Availability and Replication	10%	- High availability solutions overview - GTID-based replication - Replication concepts and setup - InnoDB Cluster deployment
Database Design	15%	- MySQL Document Store - Table partitioning - Basic SQL queries - MySQL data types - Create and manage databases and tables - Indexes, constraints and joins
Oracle MySQL Enterprise Product Suite	10%	- Products and features of MySQL Enterprise Edition - Oracle products certified to work with MySQL Enterprise Edition - Differences between MySQL Enterprise Edition, Community Edition and Standard Edition
Installation and Architecture	15%	- MySQL infrastructure architecture overview - Configure MySQL Enterprise Server settings - Install MySQL Enterprise Server
MySQL Security	20%	- MySQL Enterprise Firewall - MySQL Enterprise Audit - Data Masking and De-identification - Transparent Data Encryption (TDE) - Password policies and authentication - Authorization and privilege management
MySQL Database Service and HeatWave	10%	- Monitoring and management - HeatWave setup and usage - High availability configuration - Service overview and provisioning
Backup and Recovery	10%	- Install and configure backup - Data import/export with MySQL Workbench - Backup encryption and compression - MySQL Enterprise Backup overview

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. The MySQL Enterprise Monitor Agent requires a user configured in each MySQL instance that is being monitored with suitable privileges to collect information about the server.
Which statement is correct?

A) Monitoring metrics need super and root privileges because they are not available for a less-privileged user.
B) The super privilege is required when creating and populating the inventory table, as well as running statements such as show master logs or SHOW ENGINE INNODB STATUS.
C) MySQL Enterprise Monitor creates the required users automatically.
D) The super privilege is required when starting, stopping, or restarting monitored MySQL databases.

2. Which best describes database horizontal scale-out architecture deployment in MySQL in a read-heavy environment?

A) Increasing the storage capacity so that the database can store more data to scale.
B) Allocating more CPU to the database instance to improve throughput performance.
C) Adding more MySQL servers and sharing the same dacadir on a shared storage component like NFS.
D) Deploy MySQL read-only slaves utilizing replication so that the slaves can be used for reads.
E) Increasing the memory capacity so that there is a larger pooling buffer to increase the database read performance.

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

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

4. Which statement is used to create a new MySQL database?
Response:

A) NEW DATABASE
B) CREATE SCHEMA
C) CREATE TABLE
D) CREATE DATABASE

5. You have a backup image file that is backed up using MySQL Enterprise Backup with the -compress option:
/home/mysq1/backup/full/mybackup/myimage. Img

You are required to perform a database restore to a new machine to provision the database. Which command can provision the new database in the datadir as /home/mysql/data/MEB?