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Best Oracle 1Z0-921 Dumps [2025] With Real Exam Questions

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Oracle Latest 1Z0-921 Exam Dumps: MySQL 2021 Implementation Essentials - ValidDumps Free PDF

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Oracle 1Z0-921 (MySQL 2021 Implementation Essentials) certification exam is an essential certification for professionals who work with the MySQL database management system. MySQL 2021 Implementation Essentials certification validates their knowledge and skills in working with MySQL and demonstrates their commitment to professional development. Candidates who Pass 1Z0-921 Exam will be awarded the Oracle Certified Specialist (OCS) certification in MySQL 2021 Implementation Essentials.

Oracle MySQL 2021 Implementation Essentials Sample Questions (Q48-Q53):

NEW QUESTION # 48
You have been using mysqldump for logical backups of your MySQL databases. Your MySQL database size has been growing. Which two options can reduce the backup size and speed up the backup time?

A. Use MySQL Enterprise Backup with the - -size=compress to compress the backup file.
B. Use MySQL Enterprise Backup with the - -compress option to compress the backup files and use - - compress-level to select the level of compression.
C. Use mysqldump with the - -changesonly option.
D. Use mysqldump with - -incremental together with the - -compress option to back up incrementally based on previous full backup and compress the incremental backup files.
E. Use MySQL Enterprise Backup with the - - incremental policy to back up incrementally based on previous full backup.

Answer: B,C

NEW QUESTION # 49
Which four authentication protocols are allowed when using MySQL Enterprise Authentication?

A. authentication via Pluggable Authentication Modules (PAMs)
B. connections through the local host via the UNIX socket file
C. Native Windows services
D. Simple Authentication and Security Layer
E. authentication using SHA-256 password hashing
F. SECURID authentication and authorization identity

Answer: A,B,C,E

NEW QUESTION # 50
Which MySQL Enterprise Edition plug-in replaces real values with substitutes?

A. MySQL Enterprise Transparent Data Encryption (TDE)
B. MySQL Enterprise No-Login Authentication
C. MySQL Enterprise Scalability
D. MySQL Enterprise Audit
E. MySQL Enterprise Data Masking and De-identification

Answer: E

NEW QUESTION # 51
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 test_encryption2 already exist. You are not using the correct option to recreate it and it is causing the error.
B. The encryption feature only works with InnoDB tables. You are creating a MylSAM table, and it 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 term "server_name" is a reserved MySQL term. You cannot use it for the new table. This is what is causing the error.

Answer: B

NEW QUESTION # 52
Which component of MySQL Enterprise Monitor provides trend analysis and capacity planning for MySQL databases?
Response:

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

Answer: A

NEW QUESTION # 53
......

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