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Oracle 1Z0-921 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Database Design and Development | - Data types and normalization - Schema design principles |
| Topic 2: Backup, Recovery, and Replication | - Backup strategies - Replication concepts and configuration |
| Topic 3: MySQL Architecture and Installation | - MySQL server architecture - Installation and configuration |
| Topic 4: Security and User Management | - User accounts and privileges - Authentication plugins (PAM, AD integration) |
| Topic 5: Data Management and SQL Operations | - SQL queries and DML operations - Indexing and optimization basics |
| Topic 6: Monitoring and Troubleshooting | - Basic troubleshooting techniques - Performance monitoring |
Oracle MySQL 2021 Implementation Essentials Sample Questions:
Which two deployment architectures could you use for scaling-out database reads?
- A. Implementing a three-node, single-primary InnoDB Cluster.
- B. Changing the system setting with memory stickiness to true in order not to swap out mysq1dfrom memory.
- C. Adding a memcached-tier for caching data and objects in RAM to reduce the number of times an external data source must be read.
- D. Altering the storage engine for all tables to memory to increase performance.
- E. Edit the configuration file and increase the value for parallel_read_workers and reboot the server
Correct Answer: A,D 🗳️
Which three installation options are available for installing the MySQL Enterprise Monitor/Agent on Linux?
- A. A MySQL Enterprise Monitor to remotely deploy the MySQL Monitor Agent
- B. A CLI-based wizard MySQL Enterprise Monitor, Agent, and a MySQL Repository database
- C. A GUI for installing MySQL Enterprise Monitor, Agent, and a MySQL Repository database
- D. A browser-based wizard to remotely deploy the MySQL Monitor Agent
- E. A script (with an option file) for installing MySQL Enterprise Monitor, Agent, and a MySQL Repository database
Correct Answer: B,C,E 🗳️
The MySQL Enterprise Monitor Agent requires a user configured in each MySQL instance that is being monitored with suitable privileges to collect information about the server.
Which statement is correct?
- A. The super privilege is required when starting, stopping, or restarting monitored MySQL databases.
- B. MySQL Enterprise Monitor creates the required users automatically.
- C. The super privilege is required when creating and populating the inventory table, as well as running statements such as show master logs or SHOW ENGINE INNODB STATUS.
- D. Monitoring metrics need super and root privileges because they are not available for a less-privileged user.
Correct Answer: C 🗳️
You want to change the default behavior of MySQL Enterprise Monitor (MEM). New instances detected by a MEM agent should automatically monitor discovered instances.
How can you change the Advisor Setting?
- A. Go to the configuration section (Advisors) and create a new advisor rule for new MySQL instances based on the MySQL Advisor Wizard.
- B. Go to the configuration section (Advisors) and edit the default settings of the MySQL Process Discovery according to the existing users of your new MySQL instances.
- C. Go to the configuration section (Users) and create a new user according to the existing users of your new MySQL instances.
- D. Go to the configuration section (MEM) and configure the default login credentials.
Correct Answer: B 🗳️
Assume that MySQL Enterprise Monitor is configured to monitor MySQL 8.0.10 or a later instance. Which three features are available?
- A. monitoring the availability of the MySQL Instance
- B. tracing import and export with mysqldump
- C. creating e-mail alerts and SNMP traps for MySQL warnings
- D. analyzing executed MySQL queries
- E. starting and stopping the MySQL instance
- F. deploying MySQL agent on supported target operating system
Correct Answer: B,C,F 🗳️
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