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Oracle 1Z0-921 Certification Exam is a must-have for professionals who want to enhance their career prospects in the database management industry. MySQL 2021 Implementation Essentials certification validates their expertise in working with the MySQL database management system and demonstrates their commitment to professional development. MySQL 2021 Implementation Essentials certification is also beneficial for organizations that use MySQL as their primary database management system, as it ensures that their employees have the necessary skills to manage and maintain their MySQL databases effectively.

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Oracle MySQL 2021 Implementation Essentials Sample Questions (Q63-Q68):

NEW QUESTION # 63
Which two statements are true about MySQL Enterprise Firewall?

A. Server-side plug-ins named MYSQL_FIREWALL_USERS and MYSQL_FIREWALL-WHITELIST implement INFORMATION_SCHEMA tables that provide views into the firewall data cache.
B. MySQL Enterprise Firewall is available only in MySQL Enterprise versions 5.7.10.and later.
C. System tables named firewall_users and firewall_whitelist in the mysql database provide persistent storage of firewall data.
D. MySQL Enterprise Firewall shows only notifications blocked connections, which originated outside of your network's primary domain.
E. On Windows systems, MySQL Enterprise Firewall is controlled and managed by using the Windows Internet Connection Firewall control panel.
F. The firewall functionality is dependent upon SHA-256 and ANSI-specific functions built in to the mysql.firewall table. These functions cannot be deleted, even by the root user.

Answer: A,C

NEW QUESTION # 64
What are the two main components required to set up persistent storage for MySQL on Kubernetes?
Response:

A. Pod and ReplicaSet
B. Secret and Deployment
C. PVC (Persistent Volume Claim) and PV (Persistent Volume)
D. PVC (Persistent Volume Claim) and ConfigMap

Answer: C

NEW QUESTION # 65
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. random data substitution
B. dictionary substitution
C. misspelling
D. strict or relaxed masking
E. whitelisting and substitution

Answer: A,B,D

NEW QUESTION # 66
What SQL keyword must be specified when creating a foreign key constraint?

A. unique PRIMARY key values for both child and parent tables
B. a REFERENCES in the child table to the parent table
C. a TRIGGER on the child table for cascading delete statements
D. an index on the foreign key
E. the SET_FOREGIN variable in the my .cnf file

Answer: C

NEW QUESTION # 67
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 mysqldump with - -incremental together with the - -compress option to back up incrementally based on previous full backup and compress the incremental backup files.
C. Use mysqldump with the - -changesonly option.
D. Use MySQL Enterprise Backup with the - - incremental policy to back up incrementally based on previous full backup.
E. Use MySQL Enterprise Backup with the - -compress option to compress the backup files and use - - compress-level to select the level of compression.

Answer: C,E

NEW QUESTION # 68
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