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Oracle MySQL 2021 Implementation Essentials Sample Questions:

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

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

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

3. What three are ways to export and import data in MySQL Workbench?

A) Backup Data Export and Import Wizard
B) Data Modeling Import Export Wizard
C) Result Data Export and Import
D) Binary Data Export and Import Wizard
E) SQL Data Export and Import Wizard
F) Table Data Export and Import Wizard

4. You establish MySQL Enterprise Server on Oracle Cloud Infrastructure connection via Secure Shell (SSH) For accessing a new MySQL Enterprise Edition on an Oracle Cloud Infrastructure (OCI) Instance you " Add SSH key " information during the OCI instance setup. You want to use Putty from your Windows Client to install MySQL.
What are the correct steps to accomplish this?

A) Use the provided private key for authentication.
B) Open Port 22 on your OCI Instance and configure Putty with the ssh private key.
C) Convert the private key to ppk format first and use the new private key for authentication.
D) Open Port 22 on your OCI Instance and convert the private key to ppk format. This new private key can be used for authentication.

5. Which three options are valid reasons for using a primary key in a table?

A) exporting data faster with mysqldump
B) automatic storage of data in a sorted order
C) increasing performance when using select statements
D) preventing duplicate keys
E) maintaining a history of row insertions or updates
F) to make it easier to change the PRIMARY KEY value

Solutions: