Oracle MySQL 2021 Implementation Essentials : 1Z0-921

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Oracle 1Z0-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Which three statements are true about MySQL Enterprise Backup?

A) It enables you to take non-locking backups.
B) It performs logical backups.
C) It provides the ability to create incremental backups.
D) It cannot back up encrypted tablespaces.
E) It performs hot or warm backups.

2. 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.

3. An Oracle Cloud Infrastructure customer already has many database instances configured and running in the cloud; however, they are reporting that they are unable to create any more instances.
What could be the problem?

A) The customer does not have proper user rights.
B) The customer has not kept up with their patching requirements; new instances cannot be created unless the majority or the template of existing instances are up-to-date.
C) The customer reached the database instance limit of 32.
D) The customer account might have reached resource quota/limits.

4. Which two statements are true about MySQL Enterprise Authentication?

A) MySQL Enterprise Edition automatically connects to Oracle Password Vault to verify user passwords..
B) MySQL Enterprise Authentication supports Linux Pluggable Authentication Modules (PAM).
C) MySQL Enterprise Authentication makes it more difficult to set up security because you have different sets of security policies.
D) MySQL Enterprise Authentication supports Windows Active Directory.
E) MySQL Enterprise Authentication determines what operation the user can perform.

5. Which three components can MySQL InnoDB Cluster use to Achieve database high availability?

A) MySQL X Plugin to enable MySQL to use the X Protocol to speed up and monitor data replication.
B) MySQL Router to ensure client requests are load balanced and routed to the correct servers.
C) MySQL Online Hot Backup to keep data consistent and always ready to be used.
D) MySQL Servers with Group Replication to replicate data to all members of the cluster.
E) MySQL Shell to create and administer InnoDB Clusters using the built-in AdminAPI.

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