Exam Name: MySQL 2021 Implementation Essentials
Certification Provider: Oracle
Corresponding Certification: Oracle MySQL
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1Z0-921 exam is an important Oracle Certification which can test your professional skills. Candidates want to pass the exam successfully to prove their competence. Fast2test Oracle technical experts have collected and certified 78 questions and answers of Oracle MySQL - MySQL 2021 Implementation Essentials which are designed to cover the knowledge points of the Planning and Designing Oracle Superdome Server Solutions and enhance candidates' abilities. With Fast2test 1Z0-921 preparation tests you can pass the Oracle MySQL - MySQL 2021 Implementation Essentials easily, get the Oracle certification and go further on Oracle career path.
Oracle 1Z0-921 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Monitoring and Troubleshooting | - Performance monitoring - Basic troubleshooting techniques |
| Topic 2: MySQL Architecture and Installation | - Installation and configuration - MySQL server architecture |
| Topic 3: Backup, Recovery, and Replication | - Replication concepts and configuration - Backup strategies |
| Topic 4: Database Design and Development | - Schema design principles - Data types and normalization |
| Topic 5: Data Management and SQL Operations | - SQL queries and DML operations - Indexing and optimization basics |
| Topic 6: Security and User Management | - Authentication plugins (PAM, AD integration) - User accounts and privileges |
Oracle MySQL 2021 Implementation Essentials Sample Questions:
MySQL Enterprise Masking and De-identification can hide or obfuscate sensitive data, by controlling how the data appears. Which three are MySQL Enterprise Masking and De-identification functions?
- A. misspelling
- B. strict or relaxed masking
- C. random data substitution
- D. dictionary substitution
- E. whitelisting and substitution
Correct Answer: B,C,D 🗳️
You set up a compressed full backup file from mysqlbackup by using the --compress option for MySQL Database backup. You are required to restore the database and apply the log.
Which two options should you add to the mysqlbackup to achieve the restoration of the database?
- A. --decompress
- B. --uncompress-and-apply-log
- C. --apply-log-and-copy-back
- D. --copy-back-and-apply-log
- E. --uncompress
Correct Answer: D,E 🗳️
Which two methods help prevent MySQL security risks?
- A. Transmit plain (unencrypted) data over networks.
- B. Use the secure installation script "mysql_alays_secure_installation".
- C. Ensure that MySQL accounts have short and easy passwords.
- D. Grant only permissions that a user requires.
- E. Use a firewall to control access to MySQL ports.
- F. Allow unauthorized clients to connect to the server.
Correct Answer: A,F 🗳️
Which three statements describe MySQL Enterprise Backup?
- A. MySQL Enterprise Backup provides the point-in-time recovery functionality.
- B. MySQL Enterprise Backup can be used to import/export data from on-premises MySQL installations.
- C. MySQL Enterprise Backup offers backup based on Oracle RMAN with optimized row locking.
- D. MySQL Enterprise Backup is an optimized backup based on mysqldump with optimized row locking.
- E. MySQL Enterprise Backup can be used to send backups to Oracle Cloud Infrastructure Storage Service.
Correct Answer: A,C,D 🗳️
Which four authentication protocols are allowed when using MySQL Enterprise Authentication?
- A. connections through the local host via the UNIX socket file
- B. authentication using SHA-256 password hashing
- C. authentication via Pluggable Authentication Modules (PAMs)
- D. Native Windows services
- E. SECURID authentication and authorization identity
- F. Simple Authentication and Security Layer
Correct Answer: A,B,C,D 🗳️
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