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Oracle 1Z0-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. 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) Use mysqldump to import data from the sakila_dummy database sample data set.
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) Execute the sakila-data. sqi script to populate the database

2. You establish MySQL Enterprise Server on Oracle Cloud Infrastructure connection via Secure Shell (SSH).
When accessing a new MySQL Enterprise Edition Oracle Cloud Infrastructure (OCI) instance, you want to use MySQL Enterprise Workbench for SQL and remote management.
What are two ways to successfully configure Workbench based on the MySQL access credentials?

A) Convert the private key to ppk format first. Based on TCP/IP over SSH and based on the created private key, opc-user, and MySQL access credentials, you can access the MySQL CS instance.
B) Open the MySQL OCI instance access port 3306. For the MySQL connection, you use this port, and, in addition, you configure the remote management based on SSH based on the provided key.
C) Configure the MySQL Router first and based on those settings, you access your MySQL CS instance.
D) Configure TCP/IP over SSH and based on the created private key, opc-User, and MySQL access credentials, you can access the MySQL OCI instance.

3. You want to change the default behavior of MySQL Enterprise Monitor (MEM). New instances detected by a MEM agent should automatically monitor discovered instances.
How can you change the Advisor Setting?

A) Go to the configuration section (Advisors) and edit the default settings of the MySQL Process Discovery according to the existing users of your new MySQL instances.
B) Go to the configuration section (Users) and create a new user according to the existing users of your new MySQL instances.
C) Go to the configuration section (MEM) and configure the default login credentials.
D) Go to the configuration section (Advisors) and create a new advisor rule for new MySQL instances based on the MySQL Advisor Wizard.

4. Assume that MySQL Enterprise Monitor is configured to monitor MySQL 8.0.10 or a later instance. Which three features are available?

A) creating e-mail alerts and SNMP traps for MySQL warnings
B) tracing import and export with mysqldump
C) starting and stopping the MySQL instance
D) monitoring the availability of the MySQL Instance
E) analyzing executed MySQL queries
F) deploying MySQL agent on supported target operating system

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

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

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