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Oracle 1Z1-921 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Database Design and Development | - Schema design principles - Data types and normalization |
| Topic 2: MySQL Architecture and Installation | - MySQL server architecture - Installation and configuration |
| Topic 3: Backup, Recovery, and Replication | - Replication concepts and configuration - Backup strategies |
| Topic 4: Monitoring and Troubleshooting | - Basic troubleshooting techniques - Performance monitoring |
| Topic 5: Security and User Management | - User accounts and privileges - Authentication plugins (PAM, AD integration) |
| Topic 6: Data Management and SQL Operations | - SQL queries and DML operations - Indexing and optimization basics |
Oracle MySQL 2021 Implementation Essentials Sample Questions:
You need to change the password level for a test system.
Which two allow to change this level before you create new test user/passwords?
- A. Add validate_password=,new level, in the [security] section of the MySQL configuration file.
- B. SET GLOBAL force_password_complex_policy=0;
- C. SET GLOBAL validate_password_policy=,new level,;
- D. Add validate_password_policy=,new level, in the [mysqld] section of the MySQL configuration file.
Correct Answer: C,D 🗳️
Which of the following statements is true regarding MySQL user account privileges?
Response:
- A. A user with the SUPER privilege can only read data from the database.
- B. The RELOAD privilege allows a user to delete data from a table.
- C. The USAGE privilege allows a user to connect to the MySQL server but grants no other privileges.
- D. The GRANT option allows a user to revoke privileges from other users.
Correct Answer: C 🗳️
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. mysqlbackup from MySQL Enterprise Backup allows logical backup with concurrency built in to get faster backup speed and restoration speed.
- B. 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.
- C. MySQL Enterprise Backup does not back up system data so that it is much faster.
- D. 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.
- E. 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.
Correct Answer: A,E 🗳️
Which statement is used to create a new MySQL database?
Response:
- A. NEW DATABASE
- B. CREATE TABLE
- C. CREATE SCHEMA
- D. CREATE DATABASE
Correct Answer: D 🗳️
Which two statements are correct about MySQL Enterprise Edition?
- A. MySQL Enterprise Product Suite can be installed on an Oracle Cloud Infrastructure Virtual Cloud Network.
- B. Oracle offers 24x7, global support for MySQL Enterprise Edition products installed on Oracle Cloud Infrastructure Compute Instances.
- C. MySQL configuration can be changed in /etc/lib/myi.cnf.
- D. Oracle MySQL Enterprise tools & plugins are available as optional services (installation Feature Pack I/II).
- E. MySQL Enterprise Edition can be installed on an Oracle Cloud Infrastructure Compute Instance.
Correct Answer: C,D 🗳️
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