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Oracle 1Z0-921 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Monitoring and Troubleshooting | - Basic troubleshooting techniques - Performance monitoring |
| Topic 2: Data Management and SQL Operations | - Indexing and optimization basics - SQL queries and DML operations |
| Topic 3: Backup, Recovery, and Replication | - Backup strategies - Replication concepts and configuration |
| Topic 4: Security and User Management | - Authentication plugins (PAM, AD integration) - User accounts and privileges |
| Topic 5: MySQL Architecture and Installation | - MySQL server architecture - Installation and configuration |
| Topic 6: Database Design and Development | - Data types and normalization - Schema design principles |
Oracle MySQL 2021 Implementation Essentials Sample Questions:
You just installed MySQL by Using a Package Manager on Linux.
Where are the default InnoDB redo log files stored?
- A. /usr/redo
- B. /usr/bin/logs
- C. /var/lib/mysql/innodb
- D. /usr/mysql
- E. /var/lib/mysql
- F. /etc/my.cnf
Correct Answer: A 🗳️
You have three machines with MySQL Databases running on Linux platform.
Which backup procedures would allow online and remote backup of the MySQL Database on the three machines to a connected Storage NFS?
- A. 1. Mount the Remote Storage NFS volume to each of the three machines with proper privilege for the backup OS user to have all access.2. Install MySQL Enterprise Backup on the machine that is used to start the backup.3. Start mysqlbackup on only one machine with the installation to back up the databases for the three machines to the mounted volume using - - backup-dir and by specifying -- config-files=my1.cnf, my2.cnf, my3.cnf.my1.cnf, my2cnf, and my3.cnf are the MySQL Database Configuration files on the three machines.4. Validate the backup by using the mysqlbackup program to ensure that the backup created is valid.
- B. 1. Mount the Remote Storage NFS volume to each of the three machines with proper privilege for the backup OS user to have all access.2. Install MySQL Enterprise Backup on all three machines.3. Start mysqlbackup on all machines to back up the database to the mounted volume using - -backup-dir.4. Validate the backup using the mysqlbackup program to ensure that the backup created is valid.
- C. 1. Mount the Remote Storage NFS volume to each of the three machines with proper privilege for the backup OS user to have all access.2. Install MySQL Workbench on a separate machine, which is used to connect to the three machines to back up and restore.3. Startup MySQL backup from MySQL Workbench to back up the three databases.4. Validate the backup by using MySQL Workbench to ensure that the backup created is valid.
- D. 1. Mount the Remote Storage NFS volume to each of the three machines with proper privilege for the backup OS user to have all access.2. Install MySQL Enterprise Backup on machine which is used to start the backup.3. Start mysqlbackup on only one machine with the installation to back up the databases for the three machines to the mounted volume using - -backup-dir and by giving--hosts=machine1:port1, machine2:port2, machine3:port3.4. Validate the backups using the mysqlbackup program to ensure that the backups created are valid.
Correct Answer: B 🗳️
Which three statements describe MySQL Enterprise Backup?
- A. MySQL Enterprise Backup is an optimized backup based on mysqldump with optimized row locking.
- B. MySQL Enterprise Backup offers backup based on Oracle RMAN with optimized row locking.
- C. MySQL Enterprise Backup provides the point-in-time recovery functionality.
- D. MySQL Enterprise Backup can be used to send backups to Oracle Cloud Infrastructure Storage Service.
- E. MySQL Enterprise Backup can be used to import/export data from on-premises MySQL installations.
Correct Answer: A,B,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 (Users) and create a new user according to the existing users of your new MySQL instances.
- B. Go to the configuration section (Advisors) and create a new advisor rule for new MySQL instances based on the MySQL Advisor Wizard.
- C. Go to the configuration section (MEM) and configure the default login credentials.
- D. 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.
Correct Answer: D 🗳️
You have created your Compute instance using an Oracle-provided Oracle Linux image.
You want to log in to your OCI Compute instance using SSH. Which three items do you need for this process?
- A. The root user
- B. SSH private key
- C. The opc user
- D. SSH public key
- E. User Password
- F. Public IP address
Correct Answer: C 🗳️
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