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Oracle 1Z0-921 exam is designed to assess the candidate's ability to implement MySQL databases in real-world scenarios. 1Z0-921 exam is based on practical knowledge and skills rather than theoretical concepts. Therefore, candidates are expected to have hands-on experience in MySQL database implementation and management. To prepare for 1Z0-921 Exam, candidates can take training courses, review study materials, and practice with sample questions.

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Oracle 1Z0-921 Certification Exam is designed to validate the understanding of key database concepts, using the correct syntax to create and manage database objects, tuning of the MySQL database for optimal performance, configuring replication, security and troubleshooting techniques. MySQL 2021 Implementation Essentials certification recognizes the skill sets of professionals who have implemented and managed MySQL Server.

Oracle MySQL 2021 Implementation Essentials Sample Questions (Q51-Q56):

NEW QUESTION # 51
Which two statements are true about MySQL Enterprise Firewall?

A. MySQL Enterprise Firewall is available only in MySQL Enterprise versions 5.7.10.and later.
B. 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.
C. MySQL Enterprise Firewall shows only notifications blocked connections, which originated outside of your network's primary domain.
D. System tables named firewall_users and firewall_whitelist in the mysql database provide persistent storage of firewall data.
E. On Windows systems, MySQL Enterprise Firewall is controlled and managed by using the Windows Internet Connection Firewall control panel.
F. Server-side plug-ins named MYSQL_FIREWALL_USERS and MYSQL_FIREWALL-WHITELIST implement INFORMATION_SCHEMA tables that provide views into the firewall data cache.

Answer: D,F

NEW QUESTION # 52
Which three statements describe MySQL Enterprise Backup?

A. MySQL Enterprise Backup provides the point-in-time recovery functionality.
B. MySQL Enterprise Backup offers backup based on Oracle RMAN with optimized row locking.
C. MySQL Enterprise Backup is an optimized backup based on mysqldump with optimized row locking.
D. MySQL Enterprise Backup can be used to send backups to Oracle Cloud Infrastructure Storage Service.
E. MySQL Enterprise Backup can be used to import/export data from on-premises MySQL installations.

Answer: A,B,C

NEW QUESTION # 53
Which four authentication protocols are allowed when using MySQL Enterprise Authentication?

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

Answer: A,C,D,F

NEW QUESTION # 54
Which three prerequisites are needed for creating an Oracle Linux VM instance in the Oracle Cloud Infrastructure?

A. existing VCN
B. subnet configured on a Virtual Cloud Network (VCN)
C. bare metal Oracle Linux shape
D. Custom Image
E. ssh key pair
F. Object Storage

Answer: C,D,F

NEW QUESTION # 55
You are using the innoDB engine and the innodb_f ile_per_table option is set.
You delete a significant number of rows of a large table named inventory and issue the command optimize table inventory.
What will happen to the inventory table?

A. The table will be optimized and replicated.
B. The table statistics will be stored.
C. The table storage space will be reduced.
D. The table will be checked for errors and repaired.

Answer: A

NEW QUESTION # 56
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