Oracle 1Z1-921 exam dumps : MySQL 2021 Implementation Essentials

  • Exam Code: 1Z1-921
  • Exam Name: MySQL 2021 Implementation Essentials
  • Updated: Sep 09, 2026     Q & A: 78 Questions and Answers

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Oracle 1Z1-921 Exam Syllabus Topics:

SectionObjectives
Topic 1: Database Design and Development- Data types and normalization
- Schema design principles
Topic 2: Security and User Management- User accounts and privileges
- Authentication plugins (PAM, AD integration)
Topic 3: Data Management and SQL Operations- Indexing and optimization basics
- SQL queries and DML operations
Topic 4: Monitoring and Troubleshooting- Basic troubleshooting techniques
- Performance monitoring
Topic 5: MySQL Architecture and Installation- MySQL server architecture
- Installation and configuration
Topic 6: Backup, Recovery, and Replication- Replication concepts and configuration
- Backup strategies

Oracle MySQL 2021 Implementation Essentials Sample Questions:

Question #1

You need to load the MySQL Enterprise Audit plug-in at database startup and prevent the audit plug-in from being removed at run time.
Which two options should you include in the MySQL configuration file?

  • A. audit-log=FORCE_PLUS_PERMANENT
  • B. audit_log_permanent=ON
  • C. LOAD PLUGIN=AUDIT_LOG
  • D. plugin-load=audit_log.so
  • E. plugin-audit=ON, ALWAYS
Answer: A,B
Question #2

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 (Advisors) and create a new advisor rule for new MySQL instances based on the MySQL Advisor Wizard.
  • C. Go to the configuration section (MEM) and configure the default login credentials.
  • D. Go to the configuration section (Users) and create a new user according to the existing users of your new MySQL instances.
Answer: A
Question #3

You have a MySQL Server instance (running with Port# 3306) monitored by the Service Manager in MySQL Enterprise Monitor. You cloned the MySQL Database instance and configured it to be a replicated MySQL instance as Slave using Port# 3316 on the same machine as the Master Server. The replication configuration is working correctly. The Master and Slave Servers are running.
You are trying to add the newly created MySQL Slave instance to the Monitor. The Service Manager in MySQL Enterprise Monitor notifies you that the new instance is successfully added; however, it is not added correctly at the newly added configuration points to the old Master monitored items. The Monitor shows only one monitored MySQL instance for Master and Slave.
Which two are possible reasons for this problem?

  • A. The SLAVE and MASTER instances are started with the same configured value for the option - - monitor_server_uuid.
  • B. The MASTER and SLAVE are grouped as one instance for monitoring.
  • C. All the MySQL instances (Master and Slave) have the same server_uuid in <datadir>/auto.cnf.
  • D. The mysql.instance table on SLAVE is cloned with the same content as MASTER, which has the same server UUID.
  • E. The mysql.inventory table on SLAVE is cloned with the same content as MASTER, which has the same server UUID.
Answer: B,D
Question #4

Which two statements are true about MySQL Enterprise Authentication?

  • A. MySQL Enterprise Edition automatically connects to Oracle Password Vault to verify user passwords..
  • B. MySQL Enterprise Authentication determines what operation the user can perform.
  • C. MySQL Enterprise Authentication makes it more difficult to set up security because you have different sets of security policies.
  • D. MySQL Enterprise Authentication supports Linux Pluggable Authentication Modules (PAM).
  • E. MySQL Enterprise Authentication supports Windows Active Directory.
Answer: D,E
Question #5

Which two are advantages of using Document Store in MySQL?

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

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