The Atlassian Universal Plugin Manager (UPM) is responsible for managing and installing plugins and add-ons within JIRA. It provides administrators with a centralized interface to browse, install, update, and configure plugins, ensuring seamless integration and management of third-party extensions.

In JIRA, workflows can be associated with a specific project. This allows for customization and tailoring of workflows to the specific needs and processes of individual projects within an organization.

In Agile project management, a backlog refers to a prioritized list of work items or user stories that need to be completed during the project. It contains features, bug fixes, technical tasks, and other work items. The backlog serves as a repository for all potential work and is continuously refined and reprioritized throughout the project lifecycle. In JIRA, the backlog is often represented as a backlog board where teams can visualize and manage their work items.

Zapier is a popular integration tool used to connect JIRA with external applications, enabling seamless communication and automation between different tools.

The knowledge base in JIRA Service Desk provides a repository of common solutions to issues and frequently asked questions, enabling customers to find relevant answers and self-serve, reducing the need for direct support and improving customer satisfaction.

Global Permissions in JIRA are used to control access to system-wide settings such as user management, application access, and administrative functions.

A "permission scheme" in JIRA is a predefined set of rules that determine the actions users or groups of users can perform within a project or instance. These schemes are applied to projects and define permissions for various operations, such as viewing, creating, editing, or deleting issues, managing project configurations, or accessing certain features.

Issue Linking in JIRA allows users to establish relationships or dependencies between different issues. This helps in tracking related tasks, identifying dependencies, and understanding the overall progress of a project. For example, you can link a bug report to the corresponding feature request, or link an epic to its related user stories.

Customizing a workflow in JIRA is essential for tailoring the issue tracking process to match the unique needs and workflows of different projects or teams. This customization enables organizations to streamline their workflows, enforce business rules, and improve overall productivity and collaboration.

The correct option is "Incremental". Sprint Execution involves delivering incremental increments of product functionality, where at the end of each Sprint, a potentially shippable product increment is delivered, adding value to the product.