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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: | Scenario-based Questions, Multiple Choice Questions |
| Related Certifications: | MySQL Implementation Associate MySQL 8.0 Database Administrator |
| 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:
Question #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)
Correct Answer: D 🗳️
Question #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
Correct Answer: A,D 🗳️
Question #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
Correct Answer: B,D,E 🗳️
Question #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
Correct Answer: D 🗳️
Question #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.
Correct Answer: B,C,G 🗳️
By Quincy
