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Oracle 1Z1-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Which three are requirements for MySQL Group Replication (GR)?

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

2. Which two statements about the download of MySQL Enterprise Backup are correct?

A) MySQL Enterprise Backup comes with MySQL Utilities Package, which is available for download publicly on http://www.mysql.com.
B) MySQL Enterprise Backup is a separate package from MySQL Enterprise Edition. It can be downloaded from https://edelivery.oracle.com.
C) MySQL Enterprise Backup comes with all MySQL editions including community edition.
D) MySQL Enterprise Backup can be downloaded from My Oracle Support (MOS).
E) MySQL Enterprise Backup comes with MySQL Connector and is freely available for download.

3. 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 GRANT option allows a user to revoke privileges from other users.
D) The USAGE privilege allows a user to connect to the MySQL server but grants no other privileges.

4. What are Security Lists in Oracle Cloud Infrastructure?

A) They are user-role designations that assign rights to certain internal users and external users.
B) They allow administrators access to applications in the cloud and external servers.
C) They are essentially firewall rules that help control traffic between OCI instances.
D) Security lists are data encryption levels that control who can see the data.
E) They contain rules established by HIPAA for securing end-user data.

5. Which three are recommended configurations for installing and running MySQL InnoDB Cluster?

A) Networks must be in separate regions.
B) Groups must be in even numbers; 2, 4, 6, 8.
C) smaller VM,s work best - with a maximum of eight vCPU,s and 16GB of RAM
D) The number of machines per group must be 3, 5, 7 or 9.
E) isolated machine resources
F) Use Network-attached storage (NAS) for the data files.
G) use SSD,s for data and replication logs

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