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Updated: Nov 07, 2026
No. of Questions: 78 Questions & Answers with Testing Engine
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Oracle 1Z1-921 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Oracle MySQL 2021 Implementation Essentials |
| Exam Number: | 1Z0-921 |
| Available Languages: | English |
| Exam Format: | Multiple Choice Questions, Scenario-based Questions |
| Related Certifications: | MySQL 8.0 Database Administrator MySQL Implementation Associate |
| Exam Duration: | 120 minutes |
| Real Exam Qty: | 60-80 (varies by exam version) |
| Recommended Training: | Oracle MySQL Training (Oracle University) |
| Exam Registration: | Oracle Certification Registration Pearson VUE Oracle Exams |
| Sample Questions: | Oracle 1Z1-921 Sample Questions |
| Exam Way: | Online proctored or test center (Oracle Pearson VUE delivery) |
| Pre Condition: | No formal prerequisite; basic MySQL and database knowledge recommended |
| Official Syllabus URL: | https://education.oracle.com/ |
Oracle 1Z1-921 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Monitoring and Troubleshooting | - Performance monitoring - Basic troubleshooting techniques |
| Topic 2: Data Management and SQL Operations | - SQL queries and DML operations - Indexing and optimization basics |
| Topic 3: Database Design and Development | - Schema design principles - Data types and normalization |
| Topic 4: MySQL Architecture and Installation | - Installation and configuration - MySQL server architecture |
| Topic 5: Backup, Recovery, and Replication | - Backup strategies - Replication concepts and configuration |
| Topic 6: Security and User Management | - Authentication plugins (PAM, AD integration) - User accounts and privileges |
Oracle MySQL 2021 Implementation Essentials Sample Questions:
Which three components can MySQL InnoDB Cluster use to Achieve database high availability?
- A. MySQL Servers with Group Replication to replicate data to all members of the cluster.
- B. MySQL X Plugin to enable MySQL to use the X Protocol to speed up and monitor data replication.
- 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 Online Hot Backup to keep data consistent and always ready to be used.
Correct Answer: A,C,D 🗳️
Which three prerequisites are needed for creating an Oracle Linux VM instance in the Oracle Cloud Infrastructure?
- A. subnet configured on a Virtual Cloud Network (VCN)
- B. Object Storage
- C. ssh key pair
- D. existing VCN
- E. Custom Image
- F. bare metal Oracle Linux shape
Correct Answer: B,E,F 🗳️
Which three are requirements for MySQL Group Replication (GR)?
- A. Data to be replicated must be stored in the InnoDB transactional storage engine.
- B. Primary keys are required on every replicated table.
- C. The minimum number of required nodes for achieving a consensus is two.
- D. The use of global transaction identifiers is required.
- E. GR only works with MySQL versions 8.0.12 or higher.
- F. The binary log format must be set to mixed.
Correct Answer: A,B,F 🗳️
Which two statements about the download of MySQL Enterprise Backup are correct?
- A. MySQL Enterprise Backup comes with all MySQL editions including community edition.
- B. MySQL Enterprise Backup comes with MySQL Utilities Package, which is available for download publicly on http://www.mysql.com.
- C. MySQL Enterprise Backup is a separate package from MySQL Enterprise Edition. It can be downloaded from https://edelivery.oracle.com.
- D. MySQL Enterprise Backup comes with MySQL Connector and is freely available for download.
- E. MySQL Enterprise Backup can be downloaded from My Oracle Support (MOS).
Correct Answer: A,C 🗳️
Assume that MySQL Enterprise Monitor is configured to monitor MySQL 8.0.10 or a later instance. Which three features are available?
- A. monitoring the availability of the MySQL Instance
- B. tracing import and export with mysqldump
- C. deploying MySQL agent on supported target operating system
- D. creating e-mail alerts and SNMP traps for MySQL warnings
- E. starting and stopping the MySQL instance
- F. analyzing executed MySQL queries
Correct Answer: B,C,D 🗳️
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