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Oracle 1Z0-921 (MySQL 2021 Implementation Essentials) Exam is a certification exam designed to test the knowledge and skills of database administrators and developers in implementing and managing MySQL databases. 1Z1-921 exam covers a wide range of topics, including database architecture, installation and configuration, backup and recovery, security, performance tuning, and troubleshooting. Passing 1Z1-921 Exam demonstrates that a candidate has a strong understanding of MySQL and can effectively manage and maintain MySQL databases in a production environment.

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Oracle 1Z0-921 exam, also known as the MySQL 2021 Implementation Essentials exam, is a certification exam that tests your knowledge and skills in implementing and managing MySQL databases. 1Z1-921 exam is designed for professionals who work with MySQL databases and want to demonstrate their expertise in this area. It is a popular certification for database administrators, developers, and consultants who use MySQL in their work.

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Oracle MySQL 2021 Implementation Essentials Sample Questions (Q58-Q63):

NEW QUESTION # 58
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. Direct support call from an Oracle representative
B. Email
C. Application-to-application messaging
D. SMS-notification tab on the dashboard
E. Browser pop-ups

Answer: B,D

NEW QUESTION # 59
By using the asynchronous MySQL Replication architecture, data can be replicated to slaves. Identify three use cases of MySQL Replication.

A. MySQL Replication Connector/J (ReplicationDriver) is provided to allow read capability on slave and write capability on master.
B. MySQL Enterprise Backup will back up from Slave automatically.
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. It provides multi-master access where the application can write and read data across the database servers.
E. It allows backup to be done on the slave without impacting the master.

Answer: B,C,E

NEW QUESTION # 60
Which activity will take place if a table is created with both the compression and encryption options?

A. The compression is performed, the ''data_at_rest_flag" is turned on and the tablespace data is encrypted.
B. The system generates an error because the COMPRESSION and ENCRYPTION options cannot be used together.
C. The tablespace data is encrypted first and then compression is performed.
D. The compression is performed before tablespace data is encrypted.

Answer: D

NEW QUESTION # 61
You have a backup image file that is backed up using MySQL Enterprise Backup with the -compress option:
/home/mysq1/backup/full/mybackup/myimage. Img

You are required to perform a database restore to a new machine to provision the database. Which command can provision the new database in the datadir as /home/mysql/data/MEB?

Answer: C

NEW QUESTION # 62
Which three are requirements for MySQL Group Replication (GR)?

A. The binary log format must be set to mixed.
B. The use of global transaction identifiers is required.
C. GR only works with MySQL versions 8.0.12 or higher.
D. Primary keys are required on every replicated table.
E. Data to be replicated must be stored in the InnoDB transactional storage engine.
F. The minimum number of required nodes for achieving a consensus is two.

Answer: A,D,E

NEW QUESTION # 63
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