In JIRA, system configuration and maintenance involve configuring components such as the database, server, and application. Configuring the database includes setting up the database connection and tuning its performance. The server configuration involves adjusting server settings like memory allocation and ensuring proper scalability. Application configuration includes settings related to JIRA's functionality and performance optimization.

The JIRA "Backup Manager" allows administrators to schedule automated backups, ensuring data consistency and minimizing manual effort. This feature facilitates regular backups without human intervention, reducing the risk of data loss in case of unexpected events or failures. Automated backups streamline the backup process and enhance system reliability.

Agile methodology emphasizes iterative development, where work is carried out in small increments with a focus on adaptability to accommodate changes as they arise during the project lifecycle.

Project categories in JIRA are used to organize projects into logical groups based on their purpose, department, or team. This helps users to easily navigate and find relevant projects within the JIRA instance.

In JIRA, a "filter" is essentially a saved search query that allows users to define specific criteria for retrieving issues from the system. Filters are closely related to reporting as they enable users to generate customized reports based on their search criteria, such as issues assigned to specific individuals, issues of certain types, or issues with particular statuses. By using filters, users can extract relevant data for reporting purposes, providing insights into project progress, team performance, and issue tracking.

When updating a JIRA plugin or add-on to a new version, it's crucial to ensure forward compatibility to ensure it functions correctly with the newer version of JIRA. This prevents potential issues and ensures smooth operation of the software.

The purpose of the JIRA Backup and Restore feature is to facilitate the migration of data between different JIRA instances. This feature allows users to create backups of their JIRA data, including projects, issues, configurations, and user data, and restore them onto another JIRA instance. It ensures that organizations can seamlessly transfer their data when upgrading to a new JIRA version or moving to a different environment.

In JIRA, a sub-task is a smaller, more manageable piece of work that is part of a larger task or issue. Sub-tasks allow teams to break down complex tasks into smaller, more actionable items, making it easier to track progress and assign responsibilities. They are commonly used for breaking down user stories or epics into smaller tasks that can be completed independently.

Components in JIRA projects serve the purpose of categorizing issues for better organization and tracking. They can be managed by accessing Project Settings and then navigating to the Components section.

A JIRA dashboard is used to provide a visual overview of project status. It allows users to customize widgets and gadgets to display key performance indicators, project progress, and relevant metrics. Dashboards help teams stay informed, focused, and aligned on project goals by providing real-time insights into project activities.