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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. You want to create the user named jenny for any host server with the password secretpassi23! and the password is expired? Which command should you use?

A) CREATE USER ,jenny,@,localhost, IDENTIFIED BY (,SecretPass123!,,,256,, Expired)
B) CREATE USER ,jenny,@'%, WITH HASHED(password,,SecretPass123!,), PASSWORD EXPIRE
C) CREATE USER ,jenny,0,%t IDENTIFIED BY ,SecretPass123!, PASSWORD EXPIRE;
D) CREATE USER ,jenny *@,localhost, IDENTIFIED WITH HASH PASSWORD(,SecretPass123!,)
E) CREATE USER ,jenny,@,%, IDENTIFIED WITH sha256_password BY 'SecretPass123!,;

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

3. Which best describes database horizontal scale-out architecture deployment in MySQL in a read-heavy environment?

A) Deploy MySQL read-only slaves utilizing replication so that the slaves can be used for reads.
B) Increasing the storage capacity so that the database can store more data to scale.
C) Adding more MySQL servers and sharing the same dacadir on a shared storage component like NFS.
D) Allocating more CPU to the database instance to improve throughput performance.
E) Increasing the memory capacity so that there is a larger pooling buffer to increase the database read performance.

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

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

5. You need to load the MySQL Enterprise Audit plug-in at database startup and prevent the audit plug-in from being removed at run time.
Which two options should you include in the MySQL configuration file?

A) plugin-audit=ON, ALWAYS
B) LOAD PLUGIN=AUDIT_LOG
C) plugin-load=audit_log.so
D) audit_log_permanent=ON
E) audit-log=FORCE_PLUS_PERMANENT

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