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Oracle 1Z0-921 Q&A - in .pdf
- Exam Code: 1Z0-921
- Exam Name: MySQL 2021 Implementation Essentials
- Updated: Sep 30, 2026
- Q & A: 78 Questions and Answers
- Convenient, easy to study.
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- Updated: Sep 30, 2026
- Q & A: 78 Questions and Answers
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- Exam Code: 1Z0-921
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Oracle 1Z0-921 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Oracle MySQL Enterprise Product Suite | - Enterprise Edition and Community/Standard Edition
|
| Topic 2: Installation and Architecture | - MySQL Infrastructure Architecture
|
| Topic 3: MySQL Security | - Security Management
|
| Topic 4: MySQL Database Service and HeatWave | - Cloud Database Services
|
| Topic 5: High Availability and Replication | - Replication and Scalability
|
| Topic 6: Leverage MySQL Backup | - Backup and Recovery
|
| Topic 7: Leverage MySQL Enterprise Monitor | - Enterprise Monitor Features
|
| Topic 8: Database Design | - Database Objects and SQL
|
| Topic 9: MySQL Kubernetes | - Kubernetes Operations
|
Oracle MySQL 2021 Implementation Essentials Sample Questions:
Question #1
Which features of MySQL Enterprise Edition should you use to proactively monitor and track data changes in your databases?
- A. MySQL Audit and MySQL Workbench
- B. SQL Enterprise Monitor and MySQL Enterprise Authentication
- C. MySQL Workbench and MySQL Enterprise Firewall
- D. MySQL Enterprise Monitor and MySQL Audit
Correct Answer: B 🗳️
Question #2
Your newly-created Oracle Cloud Infrastructure instance is not available for login in. Which is a valid reason for this issue?
- A. You forgot to create the correct SSL/TLC certificate during the setup process.
- B. The OCI instance is still in the "creation" process.
- C. You forgot to enable port 3306.
- D. The opc user can be used to access MySQL only with the created SSH-Key.
- E. Only root is allowed to access from non-localhost.
Correct Answer: C 🗳️
Question #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. Create user by using CREATE USER 'newuser'@'localhost' IDENTIFIED WITH 'Sh@256Pa33';
- D. Add default_authentication_plugin=sha256_password under [mysqld] in the configuration file.
Correct Answer: B,C 🗳️
Question #4
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. MySQL Enterprise Monitor creates the required users automatically.
- B. The super privilege is required when starting, stopping, or restarting monitored MySQL databases.
- C. 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.
- D. Monitoring metrics need super and root privileges because they are not available for a less-privileged user.
Correct Answer: C 🗳️
Question #5
Which three components can MySQL InnoDB Cluster use to Achieve database high availability?
- A. MySQL Online Hot Backup to keep data consistent and always ready to be used.
- B. MySQL Servers with Group Replication to replicate data to all members of the cluster.
- C. MySQL Router to ensure client requests are load balanced and routed to the correct servers.
- D. MySQL Shell to create and administer InnoDB Clusters using the built-in AdminAPI.
- E. MySQL X Plugin to enable MySQL to use the X Protocol to speed up and monitor data replication.
Correct Answer: B,C,D 🗳️
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