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Oracle MySQL 2021 Implementation Essentials Sample Questions:

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

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

2. Which two are advantages of using Document Store in MySQL?

A) MySQL provides a native data type to index PDF documents
B) MySQL provides a NoSQL API to access the document store
C) MySQL provides a native data type to store JSON data as a document
D) MySQL can store XML as a schema-less database
E) MySQL is a document database allowing PDF and Word documents

3. What three are ways to export and import data in MySQL Workbench?

A) Backup Data Export and Import Wizard
B) Result Data Export and Import
C) SQL Data Export and Import Wizard
D) Data Modeling Import Export Wizard
E) Table Data Export and Import Wizard
F) Binary Data Export and Import Wizard

4. The user -os-user'@"localhost" was created to monitor connections and shut down the server, and was granted these privileges:
GRANT PROCESS, SHUTDOWN ON *.* TO "OS-user*@"localhost';
Which three are commands that the os-user can execute?

A) KILL PROCESS;
B) SHOW PROCESSLIST;
C) SHUTDOWN
D) SHOW BINLOG EVENTS;
E) GRANT PROXY
F) SHOW STATUS;

5. Which three are recommended configurations for installing and running MySQL InnoDB Cluster?

A) isolated machine resources
B) The number of machines per group must be 3, 5, 7 or 9.
C) Groups must be in even numbers; 2, 4, 6, 8.
D) Networks must be in separate regions.
E) use SSD,s for data and replication logs
F) Use Network-attached storage (NAS) for the data files.
G) smaller VM,s work best - with a maximum of eight vCPU,s and 16GB of RAM

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