Exam Name: MySQL 2021 Implementation Essentials
Certification Provider: Oracle
Corresponding Certification: Oracle MySQL
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Updated: Oct 02, 2026
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Oracle 1Z1-921 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Database Design | - Database Objects and SQL
|
| Topic 2: Oracle MySQL Enterprise Product Suite | - Enterprise Edition and Community/Standard Edition
|
| Topic 3: MySQL Security | - Security Management
|
| Topic 4: Leverage MySQL Enterprise Monitor | - Enterprise Monitor Features
|
| Topic 5: Leverage MySQL Backup | - Backup and Recovery
|
| Topic 6: MySQL Kubernetes | - Kubernetes Operations
|
| Topic 7: MySQL Database Service and HeatWave | - Cloud Database Services
|
| Topic 8: High Availability and Replication | - Replication and Scalability
|
| Topic 9: Installation and Architecture | - MySQL Infrastructure Architecture
|
Oracle MySQL 2021 Implementation Essentials Sample Questions:
The MySQL Replication Environment (Master and Slave) is prepared.
What two are options for connecting a Java application to the MySQL Master and Slave?
- A.
- B.
- C.
- D.
Correct Answer: A 🗳️
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. plugin-load=audit_log.so
- B. plugin-audit=ON, ALWAYS
- C. LOAD PLUGIN=AUDIT_LOG
- D. audit_log_permanent=ON
- E. audit-log=FORCE_PLUS_PERMANENT
Correct Answer: D,E 🗳️
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. Execute the purge binary logs statement without argument.
- C. Delete all binlog files manually on the file system to release storage spaces.
- D. Set the expire_logs_days system variable to expire binary log files automatically after a given number of days.
- E. On the Master server, disable binlog by removing the --log-bin option.
Correct Answer: A,D 🗳️
Which three are recommended configurations for installing and running MySQL InnoDB Cluster?
- A. The number of machines per group must be 3, 5, 7 or 9.
- B. smaller VM,s work best - with a maximum of eight vCPU,s and 16GB of RAM
- C. Use Network-attached storage (NAS) for the data files.
- D. Networks must be in separate regions.
- E. isolated machine resources
- F. Groups must be in even numbers; 2, 4, 6, 8.
- G. use SSD,s for data and replication logs
Correct Answer: A,C,F 🗳️
Assume that MySQL Enterprise Monitor is configured to monitor MySQL 8.0.10 or a later instance. Which three features are available?
- A. creating e-mail alerts and SNMP traps for MySQL warnings
- B. monitoring the availability of the MySQL Instance
- C. deploying MySQL agent on supported target operating system
- D. tracing import and export with mysqldump
- E. analyzing executed MySQL queries
- F. starting and stopping the MySQL instance
Correct Answer: A,C,D 🗳️
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