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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Which statement adds a column with the largest integer data type?

A) ALTER TABLE SCIENTIFIC ADD scientific_value DECIMAL(10,10);
B) ALTER TABLE SCIENTIFIC ADD scientific_value DECIMAL(15,10);
C) ALTER TABLE SCIENTIFIC ADD scientific_value BIGINT;
D) ALTER TABLE SCIENTIFIC ADD scientific_value INTEGER;

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 MASTER and SLAVE are grouped as one instance for monitoring.
B) All the MySQL instances (Master and Slave) have the same server_uuid in <datadir>/auto.cnf.
C) The SLAVE and MASTER instances are started with the same configured value for the option - - monitor_server_uuid.
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. 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 Windows Active Directory.
C) MySQL Enterprise Authentication supports Linux Pluggable Authentication Modules (PAM).
D) MySQL Enterprise Authentication determines what operation the user can perform.
E) MySQL Enterprise Authentication makes it more difficult to set up security because you have different sets of security policies.

4. The slave connects to the master and asks for updated records. What command was issued for this to happen?

A) START SLAVE
B) SLAVE START
C) RUN SLAVE
D) SLAVE RUN
E) START RUN SLAVE

5. You just installed MySQL by Using a Package Manager on Linux.
Where are the default InnoDB redo log files stored?

A) /var/lib/mysql/innodb
B) /usr/mysql
C) /var/lib/mysql
D) /etc/my.cnf
E) /usr/bin/logs
F) /usr/redo

Solutions: