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Oracle 1Z1-921 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: MySQL Database Service and HeatWave | 10% | - Monitoring and management - HeatWave setup and usage - Service overview and provisioning - High availability configuration |
| Topic 2: Oracle MySQL Enterprise Product Suite | 10% | - Products and features of MySQL Enterprise Edition - Differences between MySQL Enterprise Edition, Community Edition and Standard Edition - Oracle products certified to work with MySQL Enterprise Edition |
| Topic 3: Database Design | 15% | - MySQL data types - Create and manage databases and tables - Indexes, constraints and joins - Table partitioning - Basic SQL queries - MySQL Document Store |
| 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% | - Password policies and authentication - MySQL Enterprise Audit - Transparent Data Encryption (TDE) - Authorization and privilege management - MySQL Enterprise Firewall - Data Masking and De-identification |
| Topic 6: High Availability and Replication | 10% | - GTID-based replication - InnoDB Cluster deployment - Replication concepts and setup - High availability solutions overview |
| Topic 7: Installation and Architecture | 15% | - MySQL infrastructure architecture overview - Configure MySQL Enterprise Server settings - Install MySQL Enterprise Server |
| Topic 8: Backup and Recovery | 10% | - MySQL Enterprise Backup overview - Install and configure backup - Backup encryption and compression - Data import/export with MySQL Workbench |
Oracle MySQL 2021 Implementation Essentials Sample Questions:
An existing MySQL Database environment has been doing backup and restore in a logical way by using the mysq1dump and mysq1 client utilities. When the backup is started using mysqldump with single-transaction mode, the existing application has long wait time. When the restore is required, it takes more than three hours to restore.
What two are benefits of using mysqlbackup from MySQL Enterprise Backup in this situation?
- A. MySQL Enterprise Backup provides tape backup integration by default. It has the virtual tape option, which allows backup to tape device directly without extra third-party software integration.
- B. mysqlbackup utilities dump the full database into a SQL file, which is imported into the mysql client in single-thread mode. mysqlbackup restores data from physical backups. Physical backup methods are faster than logical methods because they involve only file coping without conversion.
- C. mysqlbackup from MySQL Enterprise Backup allows logical backup with concurrency built in to get faster backup speed and restoration speed.
- D. MySQL Enterprise Backup does not back up system data so that it is much faster.
- E. mysqlbackup can back up tables with the InnoDB engine without blocking. The backup is hot with InnoDB. Together with Incremental Backup, mysqlbackup from MySQL Enterprise Backup shortens the backup windows.
Correct Answer: B,C 🗳️
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 🗳️
You are testing a new application and want to use data masking but the database is empty. What option will generate dummy data for you to use for testing?
- A. Use MySQL Enterprise High Availability to access one of the available data tables
- B. Use mysqldump to import data from the sakila_dummy database sample data set.
- C. Execute the sakila-data. sqi script to populate the database
- D. Alter the table with the statement: ALTER TABLE IMPORT DATA WITH data_masking plugin;
Correct Answer: D 🗳️
Which statement will display the status of the partitioning plug-in?
- A. SHOW STATUS PLUGINS WHERE Name= 'PARTITIONING';
- B. USE SYS SCHEMA; SHOW PLUGINS STATUS;
- C. SELECT PLUGIN_NAME, PLUGIN_VERSION, PLUGIN_STATUS FROM INFOMRATION_SCHEMA.PLUGINS WHERE PLUGIN_NAME= 'partition';
- D. SHOW PLUGINS WHERE Name= 'partition';
Correct Answer: C 🗳️
What is Kubernetes in the context of MySQL?
Response:
- A. A database engine for MySQL.
- B. An open-source container orchestration platform.
- C. A cloud service provided by Oracle for MySQL databases.
- D. A database management tool for MySQL.
Correct Answer: B 🗳️
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