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Oracle 1Z0-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

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

2. Which three installation options are available for installing the MySQL Enterprise Monitor/Agent on Linux?

A) A script (with an option file) for installing MySQL Enterprise Monitor, Agent, and a MySQL Repository database
B) A CLI-based wizard MySQL Enterprise Monitor, Agent, and a MySQL Repository database
C) A browser-based wizard to remotely deploy the MySQL Monitor Agent
D) A MySQL Enterprise Monitor to remotely deploy the MySQL Monitor Agent
E) A GUI for installing MySQL Enterprise Monitor, Agent, and a MySQL Repository database

3. Which three components can MySQL InnoDB Cluster use to Achieve database high availability?

A) MySQL Router to ensure client requests are load balanced and routed to the correct servers.
B) MySQL Shell to create and administer InnoDB Clusters using the built-in AdminAPI.
C) MySQL X Plugin to enable MySQL to use the X Protocol to speed up and monitor data replication.
D) MySQL Online Hot Backup to keep data consistent and always ready to be used.
E) MySQL Servers with Group Replication to replicate data to all members of the cluster.

4. You establish MySQL Enterprise Server on Oracle Cloud Infrastructure connection via Secure Shell (SSH) For accessing a new MySQL Enterprise Edition on an Oracle Cloud Infrastructure (OCI) Instance you " Add SSH key " information during the OCI instance setup. You want to use Putty from your Windows Client to install MySQL.
What are the correct steps to accomplish this?

A) Open Port 22 on your OCI Instance and configure Putty with the ssh private key.
B) Convert the private key to ppk format first and use the new private key for authentication.
C) Use the provided private key for authentication.
D) Open Port 22 on your OCI Instance and convert the private key to ppk format. This new private key can be used for authentication.

5. An Oracle Cloud Infrastructure customer already has many database instances configured and running in the cloud; however, they are reporting that they are unable to create any more instances.
What could be the problem?

A) The customer does not have proper user rights.
B) The customer has not kept up with their patching requirements; new instances cannot be created unless the majority or the template of existing instances are up-to-date.
C) The customer account might have reached resource quota/limits.
D) The customer reached the database instance limit of 32.

Solutions: