Oracle 1Z0-921

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Oracle MySQL 2021 Implementation Essentials Sample Questions:

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

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

2. You get a maintenance-notification about your MySQL Enterprise Edition in Oracle Cloud Infrastructure (OCI) Compute instance. What is re the implication?

A) You can expect an outage of your MySQL OCI instance during the planned time..
B) There are no maintenance operations planned. You need to do them manually.
C) Depending on the planned outage, you may not be affected by it. You need to read the maintenance details in the support notice.
D) You need to agree to the maintenance windows. If not, you are not affected by the outage.

3. Which two methods help prevent MySQL security risks?

A) Use a firewall to control access to MySQL ports.
B) Allow unauthorized clients to connect to the server.
C) Grant only permissions that a user requires.
D) Transmit plain (unencrypted) data over networks.
E) Ensure that MySQL accounts have short and easy passwords.
F) Use the secure installation script "mysql_alays_secure_installation".

4. What are Security Lists in Oracle Cloud Infrastructure?

A) They are essentially firewall rules that help control traffic between OCI instances.
B) They contain rules established by HIPAA for securing end-user data.
C) They are user-role designations that assign rights to certain internal users and external users.
D) They allow administrators access to applications in the cloud and external servers.
E) Security lists are data encryption levels that control who can see the data.

5. You want to change the default behavior of MySQL Enterprise Monitor (MEM). New instances detected by a MEM agent should automatically monitor discovered instances.
How can you change the Advisor Setting?

A) Go to the configuration section (MEM) and configure the default login credentials.
B) Go to the configuration section (Users) and create a new user according to the existing users of your new MySQL instances.
C) Go to the configuration section (Advisors) and edit the default settings of the MySQL Process Discovery according to the existing users of your new MySQL instances.
D) Go to the configuration section (Advisors) and create a new advisor rule for new MySQL instances based on the MySQL Advisor Wizard.

Solutions: