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Oracle 1Z0-921 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Installation and Architecture | 15% | - MySQL infrastructure architecture overview - Configure MySQL Enterprise Server settings - Install MySQL Enterprise Server |
| Topic 2: Database Design | 15% | - Table partitioning - Create and manage databases and tables - Basic SQL queries - MySQL Document Store - Indexes, constraints and joins - MySQL data types |
| Topic 3: Backup and Recovery | 10% | - Data import/export with MySQL Workbench - Backup encryption and compression - Install and configure backup - MySQL Enterprise Backup overview |
| Topic 4: High Availability and Replication | 10% | - InnoDB Cluster deployment - GTID-based replication - Replication concepts and setup - High availability solutions overview |
| Topic 5: MySQL Enterprise Monitor | 10% | - Architecture: Service Manager and Agents - Custom Advisors configuration - Query Analyzer usage - Features and benefits |
| Topic 6: Oracle MySQL Enterprise Product Suite | 10% | - Differences between MySQL Enterprise Edition, Community Edition and Standard Edition - Products and features of MySQL Enterprise Edition - Oracle products certified to work with MySQL Enterprise Edition |
| Topic 7: MySQL Security | 20% | - Data Masking and De-identification - MySQL Enterprise Firewall - MySQL Enterprise Audit - Authorization and privilege management - Transparent Data Encryption (TDE) - Password policies and authentication |
| Topic 8: MySQL Database Service and HeatWave | 10% | - Monitoring and management - Service overview and provisioning - HeatWave setup and usage - High availability configuration |
Oracle MySQL 2021 Implementation Essentials Sample Questions:
When using an Oracle Cloud Infrastructure Compute Instance with MySQL Enterprise Edition installed, you have two choices for backup destinations. What are these two choices?
- A. Both Cloud storage and local storage
- B. Cloud storage only
- C. Cloud tape library
- D. Flash-archive recovery area
By using the asynchronous MySQL Replication architecture, data can be replicated to slaves. Identify three use cases of MySQL Replication.
- A. 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.
- B. It provides multi-master access where the application can write and read data across the database servers.
- C. MySQL Enterprise Backup will back up from Slave automatically.
- D. It allows backup to be done on the slave without impacting the master.
- E. MySQL Replication Connector/J (ReplicationDriver) is provided to allow read capability on slave and write capability on master.
You have been using mysqldump for logical backups of your MySQL databases. Your MySQL database size has been growing. Which two options can reduce the backup size and speed up the backup time?
- A. Use MySQL Enterprise Backup with the - - incremental policy to back up incrementally based on previous full backup.
- B. Use mysqldump with - -incremental together with the - -compress option to back up incrementally based on previous full backup and compress the incremental backup files.
- C. Use MySQL Enterprise Backup with the - -size=compress to compress the backup file.
- D. Use MySQL Enterprise Backup with the - -compress option to compress the backup files and use - - compress-level to select the level of compression.
- E. Use mysqldump with the - -changesonly option.
An Oracle Cloud Infrastructure customer already has many database instances configured and running in the cloud; however, they are reporting that they are unable to create any more instances.
What could be the problem?
- A. The customer account might have reached resource quota/limits.
- B. The customer has not kept up with their patching requirements; new instances cannot be created unless the majority or the template of existing instances are up-to-date.
- C. The customer reached the database instance limit of 32.
- D. The customer does not have proper user rights.
You want to create an encrypted table. So, you enter this command:
CREATE TABLE 'test_encryption2% (
'id' int(10) unsigned NOT NULL AUTO_INCREMENT,
'server_name' varchar(15) NOT NULL,
PRIMARY KEY ('id') ) ENGINE=MYISAM AUTO_INCREMENT=l DEFAULT CHARSET=latin1 ENCRYPTION = 'Y1; You receive the following error:
ERROR 1031 (HY000): Table storage engine for 'test_encryption2' doesn't have this option Which statement correctly explains the reason for this error?
- A. The test_encryption2 already exist. You are not using the correct option to recreate it and it is causing the error.
- B. The term "server_name" is a reserved MySQL term. You cannot use it for the new table. This is what is causing the error.
- C. The encryption feature only works with InnoDB tables. You are creating a MylSAM table, and it is causing the error.
- D. You cannot use the AUTO_INCREMENT option to create an encrypted table. This is what is causing the error.
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