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Oracle 1Z0-921 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Oracle MySQL 2021 Implementation Essentials |
| Exam Number: | 1Z0-921 |
| Exam Price: | USD $245 |
| Related Certifications: | Oracle MySQL Certified Professional |
| Available Languages: | English |
| Passing Score: | 65% |
| Real Exam Qty: | 52-78 |
| Certificate Validity Period: | 3 years |
| Exam Duration: | 90 minutes |
| Exam Format: | Multiple Select, Multiple Choice |
| Recommended Training: | Oracle MySQL 2021 Implementation Training |
| Exam Registration: | Oracle University Registration Pearson VUE |
| Sample Questions: | Oracle 1Z0-921 Sample Questions |
| Exam Way: | Online proctored or onsite at authorized test centers |
| Pre Condition: | No mandatory prerequisites; recommended to have hands-on experience with MySQL Enterprise Edition |
| Official Syllabus URL: | https://education.oracle.com/exam-1z0-921-mysql-2021-implementation-essentials/pexam_1Z0-921 |
Oracle 1Z0-921 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Installation and Architecture | 15% | - MySQL infrastructure architecture overview - Install MySQL Enterprise Server - Configure MySQL Enterprise Server settings |
| Topic 2: MySQL Security | 20% | - Authorization and privilege management - Password policies and authentication - Transparent Data Encryption (TDE) - MySQL Enterprise Firewall - MySQL Enterprise Audit - Data Masking and De-identification |
| Topic 3: MySQL Enterprise Monitor | 10% | - Architecture: Service Manager and Agents - Features and benefits - Query Analyzer usage - Custom Advisors configuration |
| Topic 4: MySQL Database Service and HeatWave | 10% | - Monitoring and management - HeatWave setup and usage - Service overview and provisioning - High availability configuration |
| Topic 5: Database Design | 15% | - Table partitioning - Basic SQL queries - MySQL data types - Indexes, constraints and joins - MySQL Document Store - Create and manage databases and tables |
| Topic 6: Oracle MySQL Enterprise Product Suite | 10% | - Products and features of MySQL Enterprise Edition - Oracle products certified to work with MySQL Enterprise Edition - Differences between MySQL Enterprise Edition, Community Edition and Standard Edition |
| Topic 7: High Availability and Replication | 10% | - High availability solutions overview - GTID-based replication - Replication concepts and setup - InnoDB Cluster deployment |
| Topic 8: Backup and Recovery | 10% | - Backup encryption and compression - Data import/export with MySQL Workbench - Install and configure backup - MySQL Enterprise Backup overview |
Oracle MySQL 2021 Implementation Essentials Sample Questions:
Question 1
Which two statements are true about MySQL Enterprise Authentication?
A. MySQL Enterprise Authentication supports Linux Pluggable Authentication Modules (PAM).
B. MySQL Enterprise Edition automatically connects to Oracle Password Vault to verify user passwords..
C. MySQL Enterprise Authentication makes it more difficult to set up security because you have different sets of security policies.
D. MySQL Enterprise Authentication determines what operation the user can perform.
E. MySQL Enterprise Authentication supports Windows Active Directory.
Question 2
Which two statements are correct about MySQL Enterprise Edition?
A. MySQL Enterprise Product Suite can be installed on an Oracle Cloud Infrastructure Virtual Cloud Network.
B. MySQL configuration can be changed in /etc/lib/myi.cnf.
C. Oracle offers 24x7, global support for MySQL Enterprise Edition products installed on Oracle Cloud Infrastructure Compute Instances.
D. MySQL Enterprise Edition can be installed on an Oracle Cloud Infrastructure Compute Instance.
E. Oracle MySQL Enterprise tools & plugins are available as optional services (installation Feature Pack I/II).
Question 3
Consider this SQL statement which is using the innoDB storage engine and with global AUTOCOMMIT = 1:
What is the result after issuing the rollback command?
A. Only the t2 table is created.
B. Only the t1 table is created.
C. Both the tables, t1 and t2, are created.
D. Both the tables, t1 and t2, are not created because there is an explicit ROLLBACK.
Question 4
What SQL keyword must be specified when creating a foreign key constraint?
A. a REFERENCES in the child table to the parent table
B. an index on the foreign key
C. unique PRIMARY key values for both child and parent tables
D. a TRIGGER on the child table for cascading delete statements
E. the SET_FOREGIN variable in the my .cnf file
Question 5
Which of the following statements is true regarding MySQL user account privileges?
Response:
A. A user with the SUPER privilege can only read data from the database.
B. The USAGE privilege allows a user to connect to the MySQL server but grants no other privileges.
C. The RELOAD privilege allows a user to delete data from a table.
D. The GRANT option allows a user to revoke privileges from other users.
Solutions:
| Question 1 Answer: A,E | Question 2 Answer: B,E | Question 3 Answer: C | Question 4 Answer: D | Question 5 Answer: B |
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