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Oracle 1Z0-921 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| MySQL Enterprise Monitor | 10% | - Architecture: Service Manager and Agents - Custom Advisors configuration - Features and benefits - Query Analyzer usage |
| MySQL Security | 20% | - Transparent Data Encryption (TDE) - MySQL Enterprise Audit - Password policies and authentication - Authorization and privilege management - MySQL Enterprise Firewall - Data Masking and De-identification |
| Database Design | 15% | - Table partitioning - MySQL data types - Indexes, constraints and joins - MySQL Document Store - Create and manage databases and tables - Basic SQL queries |
| Oracle MySQL Enterprise Product Suite | 10% | - Oracle products certified to work with MySQL Enterprise Edition - Differences between MySQL Enterprise Edition, Community Edition and Standard Edition - Products and features of MySQL Enterprise Edition |
| High Availability and Replication | 10% | - InnoDB Cluster deployment - GTID-based replication - High availability solutions overview - Replication concepts and setup |
| MySQL Database Service and HeatWave | 10% | - Service overview and provisioning - High availability configuration - HeatWave setup and usage - Monitoring and management |
| Backup and Recovery | 10% | - Data import/export with MySQL Workbench - Install and configure backup - Backup encryption and compression - MySQL Enterprise Backup overview |
| Installation and Architecture | 15% | - MySQL infrastructure architecture overview - Install MySQL Enterprise Server - Configure MySQL Enterprise Server settings |
Oracle MySQL 2021 Implementation Essentials Sample Questions:
Which two statements are true about MySQL Enterprise Authentication?
- A. MySQL Enterprise Edition automatically connects to Oracle Password Vault to verify user passwords..
- B. MySQL Enterprise Authentication makes it more difficult to set up security because you have different sets of security policies.
- C. MySQL Enterprise Authentication supports Linux Pluggable Authentication Modules (PAM).
- D. MySQL Enterprise Authentication supports Windows Active Directory.
- E. MySQL Enterprise Authentication determines what operation the user can perform.
Correct Answer: C,D 🗳️
Which three are requirements for MySQL Group Replication (GR)?
- A. Primary keys are required on every replicated table.
- B. Data to be replicated must be stored in the InnoDB transactional storage engine.
- C. The minimum number of required nodes for achieving a consensus is two.
- D. The binary log format must be set to mixed.
- E. The use of global transaction identifiers is required.
- F. GR only works with MySQL versions 8.0.12 or higher.
Correct Answer: A,B,D 🗳️
Which two statements are true about MySQL Enterprise Firewall?
- A. The firewall functionality is dependent upon SHA-256 and ANSI-specific functions built in to the mysql.firewall table. These functions cannot be deleted, even by the root user.
- B. On Windows systems, MySQL Enterprise Firewall is controlled and managed by using the Windows Internet Connection Firewall control panel.
- C. System tables named firewall_users and firewall_whitelist in the mysql database provide persistent storage of firewall data.
- D. MySQL Enterprise Firewall is available only in MySQL Enterprise versions 5.7.10.and later.
- E. MySQL Enterprise Firewall shows only notifications blocked connections, which originated outside of your network's primary domain.
- F. Server-side plug-ins named MYSQL_FIREWALL_USERS and MYSQL_FIREWALL-WHITELIST implement INFORMATION_SCHEMA tables that provide views into the firewall data cache.
Correct Answer: C,F 🗳️
How would you restrict a user Joe from accessing all MySQL database objects?
- A. Insert Joe,s name into the mysql.user_restriction cable, and issue the FLUSH PRIVILEGES command.
- B. CREATE USER ,joe'@,0.0.0.0, SET Password=PASSWORD(,% ! %,)
- C. UPDATE mysql.user SET Password=PASSWORD(,Invalid,) WHERE User=,joe';
- D. CREATE USER , joe,@1' %' DENY ALL PRIVILEGES
- E. REVOKE ALL PRIVILEGES, GRANT OPTION FROM ,joe,@,%,;
Correct Answer: A 🗳️
Which three are recommended configurations for installing and running MySQL InnoDB Cluster?
- A. use SSD,s for data and replication logs
- B. The number of machines per group must be 3, 5, 7 or 9.
- C. isolated machine resources
- D. Groups must be in even numbers; 2, 4, 6, 8.
- E. Use Network-attached storage (NAS) for the data files.
- F. Networks must be in separate regions.
- G. smaller VM,s work best - with a maximum of eight vCPU,s and 16GB of RAM
Correct Answer: B,D,E 🗳️
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