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Oracle 1Z1-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Which two statements are correct about MySQL Enterprise Edition?

A) MySQL Enterprise Product Suite can be installed on an Oracle Cloud Infrastructure Virtual Cloud Network.
B) Oracle offers 24x7, global support for MySQL Enterprise Edition products installed on Oracle Cloud Infrastructure Compute Instances.
C) MySQL configuration can be changed in /etc/lib/myi.cnf.
D) Oracle MySQL Enterprise tools & plugins are available as optional services (installation Feature Pack I/II).
E) MySQL Enterprise Edition can be installed on an Oracle Cloud Infrastructure Compute Instance.

2. You have a MySQL Server instance (running with Port# 3306) monitored by the Service Manager in MySQL Enterprise Monitor. You cloned the MySQL Database instance and configured it to be a replicated MySQL instance as Slave using Port# 3316 on the same machine as the Master Server. The replication configuration is working correctly. The Master and Slave Servers are running.
You are trying to add the newly created MySQL Slave instance to the Monitor. The Service Manager in MySQL Enterprise Monitor notifies you that the new instance is successfully added; however, it is not added correctly at the newly added configuration points to the old Master monitored items. The Monitor shows only one monitored MySQL instance for Master and Slave.
Which two are possible reasons for this problem?

A) The SLAVE and MASTER instances are started with the same configured value for the option - - monitor_server_uuid.
B) The MASTER and SLAVE are grouped as one instance for monitoring.
C) All the MySQL instances (Master and Slave) have the same server_uuid in <datadir>/auto.cnf.
D) The mysql.inventory table on SLAVE is cloned with the same content as MASTER, which has the same server UUID.
E) The mysql.instance table on SLAVE is cloned with the same content as MASTER, which has the same server UUID.

3. How does MySQL HeatWave improve query performance?
Response:

A) By replicating data across multiple servers.
B) By automatically creating indexes on frequently used columns.
C) By caching the entire database in memory.
D) By offloading analytics queries to an in-memory, highly parallel processing engine.

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

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

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

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

Solutions: