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Oracle 1Z1-921 Exam Overview:
| Certification Vendor: | Oracle |
| Exam Name: | Oracle MySQL 2021 Implementation Essentials |
| Exam Number: | 1Z0-921 |
| Exam Duration: | 90 minutes |
| Certificate Validity Period: | 3 years |
| Related Certifications: | Oracle MySQL Certified Professional |
| Exam Format: | Multiple Choice, Multiple Select |
| Passing Score: | 65% |
| Exam Price: | USD $245 |
| Available Languages: | English |
| Real Exam Qty: | 52-78 |
| Recommended Training: | Oracle MySQL 2021 Implementation Training |
| Exam Registration: | Oracle University Registration Pearson VUE |
| Sample Questions: | Oracle 1Z1-921 Sample Questions |
| Exam Way: | Online proctored or onsite at authorized test centers |
| Pre Condition: | No mandatory prerequisites; recommended to have hands-on experience with MySQL Enterprise Edition |
| Official Syllabus URL: | https://education.oracle.com/exam-1z0-921-mysql-2021-implementation-essentials/pexam_1Z0-921 |
Oracle 1Z1-921 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Database Design | 15% | - Create and manage databases and tables - MySQL Document Store - Table partitioning - Indexes, constraints and joins - MySQL data types - Basic SQL queries |
| Topic 2: Backup and Recovery | 10% | - Backup encryption and compression - Data import/export with MySQL Workbench - MySQL Enterprise Backup overview - Install and configure backup |
| Topic 3: MySQL Security | 20% | - Transparent Data Encryption (TDE) - MySQL Enterprise Audit - Data Masking and De-identification - Password policies and authentication - MySQL Enterprise Firewall - Authorization and privilege management |
| Topic 4: MySQL Enterprise Monitor | 10% | - Architecture: Service Manager and Agents - Features and benefits - Query Analyzer usage - Custom Advisors configuration |
| Topic 5: High Availability and Replication | 10% | - High availability solutions overview - GTID-based replication - InnoDB Cluster deployment - Replication concepts and setup |
| Topic 6: MySQL Database Service and HeatWave | 10% | - HeatWave setup and usage - Monitoring and management - Service overview and provisioning - High availability configuration |
| Topic 7: Installation and Architecture | 15% | - Configure MySQL Enterprise Server settings - MySQL infrastructure architecture overview - Install MySQL Enterprise Server |
| Topic 8: Oracle MySQL Enterprise Product Suite | 10% | - Oracle products certified to work with MySQL Enterprise Edition - Products and features of MySQL Enterprise Edition - Differences between MySQL Enterprise Edition, Community Edition and Standard Edition |
Oracle MySQL 2021 Implementation Essentials Sample Questions:
1. Consider this SQL statement which is using the innoDB storage engine and with global AUTOCOMMIT = 1:
What is the result after issuing the rollback command?
A) Both the tables, t1 and t2, are not created because there is an explicit ROLLBACK.
B) Only the t1 table is created.
C) Only the t2 table is created.
D) Both the tables, t1 and t2, are created.
2. What are two ways in which customers can receive notifications such as outages, configuration changes, database emergencies, and other information on their Database as a Service instances?
A) Browser pop-ups
B) Direct support call from an Oracle representative
C) Application-to-application messaging
D) Email
E) SMS-notification tab on the dashboard
3. What is Kubernetes in the context of MySQL?
Response:
A) An open-source container orchestration platform.
B) A database engine for MySQL.
C) A cloud service provided by Oracle for MySQL databases.
D) A database management tool for MySQL.
4. Which two statements are correct about MySQL Enterprise Edition?
A) Oracle MySQL Enterprise tools & plugins are available as optional services (installation Feature Pack I/II).
B) MySQL configuration can be changed in /etc/lib/myi.cnf.
C) MySQL Enterprise Edition can be installed on an Oracle Cloud Infrastructure Compute Instance.
D) Oracle offers 24x7, global support for MySQL Enterprise Edition products installed on Oracle Cloud Infrastructure Compute Instances.
E) MySQL Enterprise Product Suite can be installed on an Oracle Cloud Infrastructure Virtual Cloud Network.
5. 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 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.
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 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.
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 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.
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 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.
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: D,E | Question # 3 Answer: A | Question # 4 Answer: A,B | Question # 5 Answer: D |
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