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.

Issue Statistics and Filter Statistics gadgets are capable of displaying statistics on your JIRA Dashboard. These gadgets offer insights into various aspects of your projects, such as issue status, progress, and trends, facilitating informed decision-making and project management. Utilizing these gadgets enhances visibility and monitoring of project metrics.

Proper documentation ensures that system changes are tracked, understood, and replicated accurately, aiding in troubleshooting and maintaining system integrity.

Swimlanes in Agile boards are used to group issues based on certain criteria such as assignee, priority, issue type, or any custom JIRA field. This helps in visualizing work distribution and tracking progress within specific categories, making it easier for teams to manage their tasks effectively.

In JIRA, when creating a custom field, you need to define its name, type (e.g., text, select list, etc.), and configuration. Configuration includes settings like field context, which determines where the field will be available (e.g., on which screens and for which issue types). Therefore, the correct option is "Configuration."

To optimize workflow performance, it's advisable to limit the number of transitions in your workflows. Transitions represent the different states an issue can move through in a workflow. Limiting unnecessary transitions can simplify workflows and improve performance. Screens represent the user interface elements for capturing or displaying information. Projects represent collections of issues. Workflows define the sequence of states an issue can go through.

The "export" operation in JIRA is significant for creating a snapshot of the entire JIRA instance, including projects, issues, and configurations. This snapshot can be used for migration purposes, allowing users to move their JIRA instance to another environment or version.

Integration with tools like Power BI allows for advanced data analysis and visualization beyond native JIRA capabilities.

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.

In JIRA, data integrity during the import and export process can be ensured by using standardized formats such as XML or CSV. These formats help maintain the structure and integrity of the data being transferred, reducing the risk of data loss or corruption. XML and CSV files are easily readable and compatible with various systems, making them ideal for importing and exporting data while preserving its integrity.

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.

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.