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Oracle 1Z0-921 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Backup and Recovery | 10% | - Install and configure backup - Backup encryption and compression - MySQL Enterprise Backup overview - Data import/export with MySQL Workbench |
| Topic 2: MySQL Enterprise Monitor | 10% | - Query Analyzer usage - Architecture: Service Manager and Agents - Features and benefits - Custom Advisors configuration |
| Topic 3: High Availability and Replication | 10% | - High availability solutions overview - InnoDB Cluster deployment - Replication concepts and setup - GTID-based replication |
| Topic 4: Oracle MySQL Enterprise Product Suite | 10% | - Differences between MySQL Enterprise Edition, Community Edition and Standard Edition - Oracle products certified to work with MySQL Enterprise Edition - Products and features of MySQL Enterprise Edition |
| Topic 5: Database Design | 15% | - MySQL Document Store - Table partitioning - Basic SQL queries - Create and manage databases and tables - MySQL data types - Indexes, constraints and joins |
| Topic 6: MySQL Security | 20% | - Authorization and privilege management - MySQL Enterprise Audit - MySQL Enterprise Firewall - Transparent Data Encryption (TDE) - Data Masking and De-identification - Password policies and authentication |
| Topic 7: MySQL Database Service and HeatWave | 10% | - Monitoring and management - HeatWave setup and usage - High availability configuration - Service overview and provisioning |
| Topic 8: Installation and Architecture | 15% | - Configure MySQL Enterprise Server settings - Install MySQL Enterprise Server - MySQL infrastructure architecture overview |
Oracle MySQL 2021 Implementation Essentials Sample Questions:
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 mysql.inventory table on SLAVE is cloned with the same content as MASTER, which has the same server UUID.
- B. All the MySQL instances (Master and Slave) have the same server_uuid in <datadir>/auto.cnf.
- C. The MASTER and SLAVE are grouped as one instance for monitoring.
- D. The mysql.instance table on SLAVE is cloned with the same content as MASTER, which has the same server UUID.
- E. The SLAVE and MASTER instances are started with the same configured value for the option - - monitor_server_uuid.
Correct Answer: C,D 🗳️
You are using the innoDB engine and the innodb_f ile_per_table option is set.
You delete a significant number of rows of a large table named inventory and issue the command optimize table inventory.
What will happen to the inventory table?
- A. The table will be optimized and replicated.
- B. The table will be checked for errors and repaired.
- C. The table storage space will be reduced.
- D. The table statistics will be stored.
Correct Answer: A 🗳️
Which MySQL Enterprise Edition plug-in replaces real values with substitutes?
- A. MySQL Enterprise Transparent Data Encryption (TDE)
- B. MySQL Enterprise No-Login Authentication
- C. MySQL Enterprise Data Masking and De-identification
- D. MySQL Enterprise Scalability
- E. MySQL Enterprise Audit
Correct Answer: C 🗳️
Which three statements are true about MySQL Enterprise Backup?
- A. It performs hot or warm backups.
- B. It cannot back up encrypted tablespaces.
- C. It enables you to take non-locking backups.
- D. It performs logical backups.
- E. It provides the ability to create incremental backups.
Correct Answer: C,D,E 🗳️
By using the asynchronous MySQL Replication architecture, data can be replicated to slaves. Identify three use cases of MySQL Replication.
- A. It provides multi-master access where the application can write and read data across the database servers.
- B. It allows backup to be done on the slave without impacting the master.
- 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 Replication Connector/J (ReplicationDriver) is provided to allow read capability on slave and write capability on master.
- E. MySQL Enterprise Backup will back up from Slave automatically.
Correct Answer: B,C,E 🗳️
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