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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. After installing MySQL 8.0, you initialize the data directory with the --initialize command. Which two are places where you can find the root password?

A) The root password displayed on the screen via a [warning] message.
B) The root password is not given and is blank. You must manually set the root password.
C) The root password inserted in the error log set by the --log-error=[file_name] variable
D) As root, execute the show password command by using the SHA-256 password encryption plug-in.
E) The root_pw variable stored in the mysq1.install table.

2. Which two deployment architectures could you use for scaling-out database reads?

A) Changing the system setting with memory stickiness to true in order not to swap out mysq1dfrom memory.
B) Altering the storage engine for all tables to memory to increase performance.
C) Adding a memcached-tier for caching data and objects in RAM to reduce the number of times an external data source must be read.
D) Implementing a three-node, single-primary InnoDB Cluster.
E) Edit the configuration file and increase the value for parallel_read_workers and reboot the server

3. What are Security Lists in Oracle Cloud Infrastructure?

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

4. What is Kubernetes in the context of MySQL?
Response:

A) An open-source container orchestration platform.
B) A database management tool for MySQL.
C) A cloud service provided by Oracle for MySQL databases.
D) A database engine for MySQL.

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

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

Solutions: