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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Which is true about inserting an additional line in a single document stored in MySQL document store?

A) You specify the new element,s position in the JSON_ARRAY_INSERT statement.
B) You cannot insert a single line, you have to replace the entire document with a new document.
C) The path specified must be an array position past the end of an array using the JSON_POSITION statement.
D) Any new lines can only be inserted at the end of the document.

2. Which three are requirements for MySQL Group Replication (GR)?

A) The minimum number of required nodes for achieving a consensus is two.
B) Primary keys are required on every replicated table.
C) Data to be replicated must be stored in the InnoDB transactional storage engine.
D) The use of global transaction identifiers is required.
E) GR only works with MySQL versions 8.0.12 or higher.
F) The binary log format must be set to mixed.

3. Which features of MySQL Enterprise Edition should you use to proactively monitor and track data changes in your databases?

A) MySQL Audit and MySQL Workbench
B) MySQL Workbench and MySQL Enterprise Firewall
C) SQL Enterprise Monitor and MySQL Enterprise Authentication
D) MySQL Enterprise Monitor and MySQL Audit

4. Which activity will take place if a table is created with both the compression and encryption options?

A) The tablespace data is encrypted first and then compression is performed.
B) The compression is performed, the ''data_at_rest_flag" is turned on and the tablespace data is encrypted.
C) The system generates an error because the COMPRESSION and ENCRYPTION options cannot be used together.
D) The compression is performed before tablespace data is encrypted.

5. Which two statements are correct about MySQL Enterprise Edition?

A) MySQL Enterprise Edition can be installed on an Oracle Cloud Infrastructure Compute Instance.
B) MySQL Enterprise Product Suite can be installed on an Oracle Cloud Infrastructure Virtual Cloud Network.
C) MySQL configuration can be changed in /etc/lib/myi.cnf.
D) Oracle offers 24x7, global support for MySQL Enterprise Edition products installed on Oracle Cloud Infrastructure Compute Instances.
E) Oracle MySQL Enterprise tools & plugins are available as optional services (installation Feature Pack I/II).

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