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Oracle 1Z0-921 Exam Overview:
| Certification Vendor: | Oracle |
| Exam Name: | Oracle MySQL 2021 Implementation Essentials |
| Exam Number: | 1Z0-921 |
| Real Exam Qty: | 60-80 (varies by exam version) |
| Exam Duration: | 120 minutes |
| Available Languages: | English |
| Exam Format: | Multiple Choice Questions, Scenario-based Questions |
| Related Certifications: | MySQL 8.0 Database Administrator MySQL Implementation Associate |
| Recommended Training: | Oracle MySQL Training (Oracle University) |
| Exam Registration: | Oracle Certification Registration Pearson VUE Oracle Exams |
| Sample Questions: | Oracle 1Z0-921 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 1Z0-921 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Data Management and SQL Operations | - Indexing and optimization basics - SQL queries and DML operations |
| Backup, Recovery, and Replication | - Replication concepts and configuration - Backup strategies |
| Security and User Management | - User accounts and privileges - Authentication plugins (PAM, AD integration) |
| Database Design and Development | - Schema design principles - Data types and normalization |
| Monitoring and Troubleshooting | - Performance monitoring - Basic troubleshooting techniques |
| MySQL Architecture and Installation | - Installation and configuration - MySQL server architecture |
Oracle MySQL 2021 Implementation Essentials Sample Questions:
1. Which MySQL Enterprise Edition plug-in replaces real values with substitutes?
A) MySQL Enterprise No-Login Authentication
B) MySQL Enterprise Audit
C) MySQL Enterprise Scalability
D) MySQL Enterprise Data Masking and De-identification
E) MySQL Enterprise Transparent Data Encryption (TDE)
2. When using an Oracle Cloud Infrastructure Compute Instance with MySQL Enterprise Edition installed, you have two choices for backup destinations. What are these two choices?
A) Both Cloud storage and local storage
B) Flash-archive recovery area
C) Cloud tape library
D) Cloud storage only
3. Which three options are valid reasons for using a primary key in a table?
A) automatic storage of data in a sorted order
B) preventing duplicate keys
C) maintaining a history of row insertions or updates
D) increasing performance when using select statements
E) exporting data faster with mysqldump
F) to make it easier to change the PRIMARY KEY value
4. Which Oracle product is certified to work with MySQL Enterprise Edition?
A) Oracle Data Pump
B) Oracle Enterprise Backup
C) Oracle Application Express
D) Oracle Enterprise Manager
5. Which three are recommended configurations for installing and running MySQL InnoDB Cluster?
A) smaller VM,s work best - with a maximum of eight vCPU,s and 16GB of RAM
B) The number of machines per group must be 3, 5, 7 or 9.
C) Groups must be in even numbers; 2, 4, 6, 8.
D) isolated machine resources
E) use SSD,s for data and replication logs
F) Networks must be in separate regions.
G) Use Network-attached storage (NAS) for the data files.
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: A,D | Question # 3 Answer: B,D,E | Question # 4 Answer: D | Question # 5 Answer: B,C,G |
By Matthew
