- Exam Code: 1Z0-921
- Exam Name: MySQL 2021 Implementation Essentials
- Certification Provider: Oracle
- Corresponding Certification:Oracle MySQL
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Oracle 1Z0-921 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Database Design | 15% | - MySQL Document Store - Indexes, constraints and joins - Create and manage databases and tables - Table partitioning - MySQL data types - Basic SQL queries |
| Topic 2: MySQL Database Service and HeatWave | 10% | - High availability configuration - Service overview and provisioning - Monitoring and management - HeatWave setup and usage |
| Topic 3: Backup and Recovery | 10% | - Data import/export with MySQL Workbench - MySQL Enterprise Backup overview - Backup encryption and compression - Install and configure backup |
| Topic 4: MySQL Enterprise Monitor | 10% | - Architecture: Service Manager and Agents - Custom Advisors configuration - Query Analyzer usage - Features and benefits |
| Topic 5: MySQL Security | 20% | - Authorization and privilege management - Data Masking and De-identification - MySQL Enterprise Firewall - Password policies and authentication - Transparent Data Encryption (TDE) - MySQL Enterprise Audit |
| Topic 6: Installation and Architecture | 15% | - MySQL infrastructure architecture overview - Install MySQL Enterprise Server - Configure MySQL Enterprise Server settings |
| Topic 7: High Availability and Replication | 10% | - GTID-based replication - InnoDB Cluster deployment - High availability solutions overview - Replication concepts and setup |
| Topic 8: 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 |
Oracle MySQL 2021 Implementation Essentials Sample Questions:
Which two statements are true about the creation or use of a Virtual Cloud Network (VCN)?
- A. You must have an IPSec VPN to connect to an Oracle Linux instance.
- B. Your instance does not have a public IP address, so you cannot connect with a public subnet.
- C. You can connect directly to an instance over the internet, without a public IP address.
- D. You can connect directly to the VCN without a define subnet.
- E. You must have an Internet gateway to connect to a public address on an Oracle Linux instance.
Correct Answer: C,D 🗳️
Which three installation options are available for installing the MySQL Enterprise Monitor/Agent on Linux?
- A. A script (with an option file) for installing MySQL Enterprise Monitor, Agent, and a MySQL Repository database
- B. A MySQL Enterprise Monitor to remotely deploy the MySQL Monitor Agent
- C. A browser-based wizard to remotely deploy the MySQL Monitor Agent
- D. A CLI-based wizard MySQL Enterprise Monitor, Agent, and a MySQL Repository database
- E. A GUI for installing MySQL Enterprise Monitor, Agent, and a MySQL Repository database
Correct Answer: A,D,E 🗳️
You have created your Compute instance using an Oracle-provided Oracle Linux image.
You want to log in to your OCI Compute instance using SSH. Which three items do you need for this process?
- A. SSH public key
- B. Public IP address
- C. SSH private key
- D. The root user
- E. The opc user
- F. User Password
Correct Answer: E 🗳️
Which three prerequisites are needed for creating an Oracle Linux VM instance in the Oracle Cloud Infrastructure?
- A. existing VCN
- B. ssh key pair
- C. Custom Image
- D. subnet configured on a Virtual Cloud Network (VCN)
- E. Object Storage
- F. bare metal Oracle Linux shape
Correct Answer: C,E,F 🗳️
By using the asynchronous MySQL Replication architecture, data can be replicated to slaves. Identify three use cases of MySQL Replication.
- A. MySQL Replication Connector/J (ReplicationDriver) is provided to allow read capability on slave and write capability on master.
- B. It provides multi-master access where the application can write and read data across the database servers.
- C. You can create a slave server for reporting applications, which get only read access to the slave servers. It off-loads the master server. Additional servers allow different database server configuration.
- D. MySQL Enterprise Backup will back up from Slave automatically.
- E. It allows backup to be done on the slave without impacting the master.
Correct Answer: C,D,E 🗳️
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