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Oracle MySQL 2021 Implementation Essentials Sample Questions:

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

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

2. Which statement would you use to remove the population column from the city table?

A) ALTER TABLE city DROP population;
B) DROP population FROM city;
C) ALTER TABLE city DELETE population;
D) ALTER TABLE city LESS population;
E) DELETE population FROM city;

3. You need to change the password level for a test system.
Which two allow to change this level before you create new test user/passwords?

A) SET GLOBAL validate_password_policy=,new level,;
B) Add validate_password_policy=,new level, in the [mysqld] section of the MySQL configuration file.
C) SET GLOBAL force_password_complex_policy=0;
D) Add validate_password=,new level, in the [security] section of the MySQL configuration file.

4. Which component of MySQL Enterprise Monitor provides trend analysis and capacity planning for MySQL databases?
Response:

A) MySQL Advisors
B) Query Analyzer
C) MySQL Dashboard
D) MySQL Query Analyzer

5. You are testing a new application and want to use data masking but the database is empty. What option will generate dummy data for you to use for testing?

A) Execute the sakila-data. sqi script to populate the database
B) Use MySQL Enterprise High Availability to access one of the available data tables
C) Alter the table with the statement: ALTER TABLE IMPORT DATA WITH data_masking plugin;
D) Use mysqldump to import data from the sakila_dummy database sample data set.

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