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

2. What SQL keyword must be specified when creating a foreign key constraint?

A) an index on the foreign key
B) a TRIGGER on the child table for cascading delete statements
C) unique PRIMARY key values for both child and parent tables
D) the SET_FOREGIN variable in the my .cnf file
E) a REFERENCES in the child table to the parent table

3. Which two statements are true about the creation or use of a Virtual Cloud Network (VCN)?

A) You can connect directly to an instance over the internet, without a public IP address.
B) You must have an Internet gateway to connect to a public address on an Oracle Linux instance.
C) You can connect directly to the VCN without a define subnet.
D) Your instance does not have a public IP address, so you cannot connect with a public subnet.
E) You must have an IPSec VPN to connect to an Oracle Linux instance.

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

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

5. Which MySQL command is used to grant specific privileges to a user on a database?
Response:

A) GIVE ACCESS
B) GRANT PERMISSIONS
C) SET PRIVILEGES
D) GRANT

Solutions: