Oracle 1Z1-921 exam : MySQL 2021 Implementation Essentials

1Z1-921 Exam Simulator
  • Exam Code: 1Z1-921
  • Exam Name: MySQL 2021 Implementation Essentials
  • Updated: Aug 06, 2026
  • Q & A: 78 Questions and Answers

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Oracle 1Z1-921 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Oracle MySQL Enterprise Product Suite10%- 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
Topic 2: MySQL Database Service and HeatWave10%- HeatWave setup and usage
- Monitoring and management
- High availability configuration
- Service overview and provisioning
Topic 3: Installation and Architecture15%- Configure MySQL Enterprise Server settings
- Install MySQL Enterprise Server
- MySQL infrastructure architecture overview
Topic 4: Backup and Recovery10%- Install and configure backup
- Data import/export with MySQL Workbench
- MySQL Enterprise Backup overview
- Backup encryption and compression
Topic 5: Database Design15%- MySQL data types
- Indexes, constraints and joins
- MySQL Document Store
- Table partitioning
- Basic SQL queries
- Create and manage databases and tables
Topic 6: MySQL Enterprise Monitor10%- Architecture: Service Manager and Agents
- Custom Advisors configuration
- Query Analyzer usage
- Features and benefits
Topic 7: High Availability and Replication10%- High availability solutions overview
- Replication concepts and setup
- GTID-based replication
- InnoDB Cluster deployment
Topic 8: MySQL Security20%- Transparent Data Encryption (TDE)
- Password policies and authentication
- Data Masking and De-identification
- MySQL Enterprise Audit
- Authorization and privilege management
- MySQL Enterprise Firewall

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. 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.


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


3. MySQL is installed on a Linux server with the configuration:
Which two methods can change the default options to use the authentication plug-in that implements SHA-256 hashing for user account passwords?

A) Create user by using CREATE USER 'newuser' @'localhost' SET PASSWORD AS 'Sh@256Pa33';
B) Add --default_authentication_plugin=sha256_password on the command line when you invoke the server.
C) Add default_authentication_plugin=sha256_password under [mysqld] in the configuration file.
D) Create user by using CREATE USER 'newuser'@'localhost' IDENTIFIED WITH 'Sh@256Pa33';


4. You need to load the MySQL Enterprise Audit plug-in at database startup and prevent the audit plug-in from being removed at run time.
Which two options should you include in the MySQL configuration file?

A) audit-log=FORCE_PLUS_PERMANENT
B) LOAD PLUGIN=AUDIT_LOG
C) plugin-load=audit_log.so
D) audit_log_permanent=ON
E) plugin-audit=ON, ALWAYS


5. Which three are levels in which MySQL Enterprise Monitor provides access control?

A) MySQL Enterprise Operations: the right to start/stop/restart/update MySQL Enterprise Monitor Services
B) Application administration: the rights to view or change the MySQL Enterprise Monitor configuration
C) MySQL Enterprise Operations: the right to deploy the necessary MySQL Enterprise Agent
D) Specific data access: the rights to view specific types of potentially sensitive data
E) Asset visibility: the rights to access data collected from hosts or MySQL instances


Solutions:

Question # 1
Answer: B,C
Question # 2
Answer: A,E
Question # 3
Answer: B,D
Question # 4
Answer: A,D
Question # 5
Answer: B,D,E

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