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 |
|---|---|---|
| Installation and Architecture | 15% | - Install MySQL Enterprise Server - MySQL infrastructure architecture overview - Configure MySQL Enterprise Server settings |
| Backup and Recovery | 10% | - MySQL Enterprise Backup overview - Backup encryption and compression - Data import/export with MySQL Workbench - Install and configure backup |
| High Availability and Replication | 10% | - Replication concepts and setup - GTID-based replication - High availability solutions overview - InnoDB Cluster deployment |
| MySQL Security | 20% | - Data Masking and De-identification - MySQL Enterprise Firewall - Transparent Data Encryption (TDE) - Authorization and privilege management - MySQL Enterprise Audit - Password policies and authentication |
| Database Design | 15% | - Basic SQL queries - Create and manage databases and tables - MySQL data types - Indexes, constraints and joins - Table partitioning - MySQL Document Store |
| MySQL Database Service and HeatWave | 10% | - Monitoring and management - HeatWave setup and usage - High availability configuration - Service overview and provisioning |
| Oracle MySQL Enterprise Product Suite | 10% | - Oracle products certified to work with MySQL Enterprise Edition - Products and features of MySQL Enterprise Edition - Differences between MySQL Enterprise Edition, Community Edition and Standard Edition |
| MySQL Enterprise Monitor | 10% | - Features and benefits - Architecture: Service Manager and Agents - Query Analyzer usage - Custom Advisors configuration |
Oracle MySQL 2021 Implementation Essentials Sample Questions:
What are two ways in which customers can receive notifications such as outages, configuration changes, database emergencies, and other information on their Database as a Service instances?
- A. Application-to-application messaging
- B. SMS-notification tab on the dashboard
- C. Direct support call from an Oracle representative
- D. Email
- E. Browser pop-ups
Correct Answer: B,D 🗳️
Which three installation options are available for installing the MySQL Enterprise Monitor/Agent on Linux?
- A. A browser-based wizard to remotely deploy the MySQL Monitor Agent
- B. A GUI for installing MySQL Enterprise Monitor, Agent, and a MySQL Repository database
- C. A MySQL Enterprise Monitor to remotely deploy the MySQL Monitor Agent
- D. A CLI-based wizard MySQL Enterprise Monitor, Agent, and a MySQL Repository database
- E. A script (with an option file) for installing MySQL Enterprise Monitor, Agent, and a MySQL Repository database
Correct Answer: B,D,E 🗳️
Which two statements are true about MySQL Enterprise Firewall?
- A. On Windows systems, MySQL Enterprise Firewall is controlled and managed by using the Windows Internet Connection Firewall control panel.
- B. System tables named firewall_users and firewall_whitelist in the mysql database provide persistent storage of firewall data.
- C. MySQL Enterprise Firewall shows only notifications blocked connections, which originated outside of your network's primary domain.
- D. 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.
- E. MySQL Enterprise Firewall is available only in MySQL Enterprise versions 5.7.10.and later.
- 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: B,F 🗳️
What are the two main components required to set up persistent storage for MySQL on Kubernetes?
Response:
- A. PVC (Persistent Volume Claim) and PV (Persistent Volume)
- B. Pod and ReplicaSet
- C. PVC (Persistent Volume Claim) and ConfigMap
- D. Secret and Deployment
Correct Answer: A 🗳️
You have a MySQL Server instance (running with Port# 3306) monitored by the Service Manager in MySQL Enterprise Monitor. You cloned the MySQL Database instance and configured it to be a replicated MySQL instance as Slave using Port# 3316 on the same machine as the Master Server. The replication configuration is working correctly. The Master and Slave Servers are running.
You are trying to add the newly created MySQL Slave instance to the Monitor. The Service Manager in MySQL Enterprise Monitor notifies you that the new instance is successfully added; however, it is not added correctly at the newly added configuration points to the old Master monitored items. The Monitor shows only one monitored MySQL instance for Master and Slave.
Which two are possible reasons for this problem?
- A. The MASTER and SLAVE are grouped as one instance for monitoring.
- B. All the MySQL instances (Master and Slave) have the same server_uuid in <datadir>/auto.cnf.
- C. The mysql.instance table on SLAVE is cloned with the same content as MASTER, which has the same server UUID.
- D. The SLAVE and MASTER instances are started with the same configured value for the option - - monitor_server_uuid.
- E. The mysql.inventory table on SLAVE is cloned with the same content as MASTER, which has the same server UUID.
Correct Answer: A,C 🗳️
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