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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. When should you perform a backup in a MySQL database?
Response:

A) After critical data updates or before making significant changes to the database.
B) After every successful query execution.
C) Only during scheduled maintenance windows.
D) Only when the database size exceeds a certain limit.

2. You establish MySQL Enterprise Server on Oracle Cloud Infrastructure connection via Secure Shell (SSH).
When accessing a new MySQL Enterprise Edition Oracle Cloud Infrastructure (OCI) instance, you want to use MySQL Enterprise Workbench for SQL and remote management.
What are two ways to successfully configure Workbench based on the MySQL access credentials?

A) Open the MySQL OCI instance access port 3306. For the MySQL connection, you use this port, and, in addition, you configure the remote management based on SSH based on the provided key.
B) Configure the MySQL Router first and based on those settings, you access your MySQL CS instance.
C) Convert the private key to ppk format first. Based on TCP/IP over SSH and based on the created private key, opc-user, and MySQL access credentials, you can access the MySQL CS instance.
D) Configure TCP/IP over SSH and based on the created private key, opc-User, and MySQL access credentials, you can access the MySQL OCI instance.

3. The user -os-user'@"localhost" was created to monitor connections and shut down the server, and was granted these privileges:
GRANT PROCESS, SHUTDOWN ON *.* TO "OS-user*@"localhost';
Which three are commands that the os-user can execute?

A) SHOW STATUS;
B) SHUTDOWN
C) GRANT PROXY
D) KILL PROCESS;
E) SHOW PROCESSLIST;
F) SHOW BINLOG EVENTS;

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

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

Solutions: