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Oracle 1Z1-921 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Backup, Recovery, and Replication | - Backup strategies - Replication concepts and configuration |
| Topic 2: MySQL Architecture and Installation | - MySQL server architecture - Installation and configuration |
| Topic 3: Security and User Management | - User accounts and privileges - Authentication plugins (PAM, AD integration) |
| Topic 4: Data Management and SQL Operations | - Indexing and optimization basics - SQL queries and DML operations |
| Topic 5: Database Design and Development | - Schema design principles - Data types and normalization |
| Topic 6: Monitoring and Troubleshooting | - Basic troubleshooting techniques - Performance monitoring |
Oracle MySQL 2021 Implementation Essentials Sample Questions:
Which MySQL Enterprise Edition plug-in replaces real values with substitutes?
- A. MySQL Enterprise No-Login Authentication
- B. MySQL Enterprise Transparent Data Encryption (TDE)
- C. MySQL Enterprise Data Masking and De-identification
- D. MySQL Enterprise Audit
- E. MySQL Enterprise Scalability
Correct Answer: C 🗳️
You want to create an encrypted table. So, you enter this command:
CREATE TABLE 'test_encryption2% (
'id' int(10) unsigned NOT NULL AUTO_INCREMENT,
'server_name' varchar(15) NOT NULL,
PRIMARY KEY ('id') ) ENGINE=MYISAM AUTO_INCREMENT=l DEFAULT CHARSET=latin1 ENCRYPTION = 'Y1; You receive the following error:
ERROR 1031 (HY000): Table storage engine for 'test_encryption2' doesn't have this option Which statement correctly explains the reason for this error?
- A. The encryption feature only works with InnoDB tables. You are creating a MylSAM table, and it is causing the error.
- B. The term "server_name" is a reserved MySQL term. You cannot use it for the new table. This is what is causing the error.
- C. You cannot use the AUTO_INCREMENT option to create an encrypted table. This is what is causing the error.
- D. The test_encryption2 already exist. You are not using the correct option to recreate it and it is causing the error.
Correct Answer: A 🗳️
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_permanent=ON
- B. plugin-audit=ON, ALWAYS
- C. plugin-load=audit_log.so
- D. audit-log=FORCE_PLUS_PERMANENT
- E. LOAD PLUGIN=AUDIT_LOG
Correct Answer: A,D 🗳️
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. strict or relaxed masking
- B. random data substitution
- C. misspelling
- D. whitelisting and substitution
- E. dictionary substitution
Correct Answer: A,B,E 🗳️
Which three are characteristics of the JSON data type?
- A. Key or array references enable quick read-access to look up document elements directly.
- B. It validates the JSON syntax on insert or merge.
- C. Comparisons of JSON values are not case-sensitive.
- D. It is based on the TEXT data type.
- E. A set of SQL functions substantially support the SQL utilization of the data type.
- F. It supports indexing directly against the JSON-defined column.
Correct Answer: A,B,F 🗳️
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