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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. You get a maintenance-notification about your MySQL Enterprise Edition in Oracle Cloud Infrastructure (OCI) Compute instance. What is re the implication?

A) There are no maintenance operations planned. You need to do them manually.
B) Depending on the planned outage, you may not be affected by it. You need to read the maintenance details in the support notice.
C) You need to agree to the maintenance windows. If not, you are not affected by the outage.
D) You can expect an outage of your MySQL OCI instance during the planned time..

2. You want to change the default behavior of MySQL Enterprise Monitor (MEM). New instances detected by a MEM agent should automatically monitor discovered instances.
How can you change the Advisor Setting?

A) Go to the configuration section (Advisors) and create a new advisor rule for new MySQL instances based on the MySQL Advisor Wizard.
B) Go to the configuration section (MEM) and configure the default login credentials.
C) Go to the configuration section (Advisors) and edit the default settings of the MySQL Process Discovery according to the existing users of your new MySQL instances.
D) Go to the configuration section (Users) and create a new user according to the existing users of your new MySQL instances.

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

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

4. The replication for a Master and Slave MySQL Servers is up and running. The disk space for Master Server is continuously growing. The binlog size keeps growing. Which two methods can fix the issue?

A) Set the expire_logs_days system variable to expire binary log files automatically after a given number of days.
B) On the Master server, disable binlog by removing the --log-bin option.
C) Execute the purge binary logs statement without argument.
D) Delete all binlog files manually on the file system to release storage spaces.
E) To safely purge binary log files, perform these steps:

5. What are Security Lists in Oracle Cloud Infrastructure?

A) They contain rules established by HIPAA for securing end-user data.
B) They are user-role designations that assign rights to certain internal users and external users.
C) Security lists are data encryption levels that control who can see the data.
D) They allow administrators access to applications in the cloud and external servers.
E) They are essentially firewall rules that help control traffic between OCI instances.

Solutions: