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Oracle 1Z1-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Which best describes database horizontal scale-out architecture deployment in MySQL in a read-heavy environment?

A) Deploy MySQL read-only slaves utilizing replication so that the slaves can be used for reads.
B) Increasing the storage capacity so that the database can store more data to scale.
C) Adding more MySQL servers and sharing the same dacadir on a shared storage component like NFS.
D) Allocating more CPU to the database instance to improve throughput performance.
E) Increasing the memory capacity so that there is a larger pooling buffer to increase the database read performance.

2. Which two statements are true about MySQL Enterprise Firewall?

A) On Windows systems, MySQL Enterprise Firewall is controlled and managed by using the Windows Internet Connection Firewall control panel.
B) MySQL Enterprise Firewall shows only notifications blocked connections, which originated outside of your network's primary domain.
C) System tables named firewall_users and firewall_whitelist in the mysql database provide persistent storage of firewall data.
D) MySQL Enterprise Firewall is available only in MySQL Enterprise versions 5.7.10.and later.
E) 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.
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.

3. Which two statements about the download of MySQL Enterprise Backup are correct?

A) MySQL Enterprise Backup can be downloaded from My Oracle Support (MOS).
B) MySQL Enterprise Backup is a separate package from MySQL Enterprise Edition. It can be downloaded from https://edelivery.oracle.com.
C) MySQL Enterprise Backup comes with MySQL Utilities Package, which is available for download publicly on http://www.mysql.com.
D) MySQL Enterprise Backup comes with all MySQL editions including community edition.
E) MySQL Enterprise Backup comes with MySQL Connector and is freely available for download.

4. 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

5. Which MySQL command is used to grant specific privileges to a user on a database?
Response:

A) GRANT PERMISSIONS
B) GRANT
C) GIVE ACCESS
D) SET PRIVILEGES

Solutions: