The purpose of business analysis is to identify and articulate the need for change in the way organizations work, as well as to facilitate that change. Business analysts identify and define the solutions that will maximize the value delivered by an organization to its stakeholders.
The role of a business analyst spans all levels of an organization, including defining strategy, creating the enterprise architecture, and taking a leadership role by defining the program and project goals and requirements, as well as supporting continuous improvement of technology and processes within an organization.
Questions pertaining to business analysis may range from behavioral questions designed to test your reactions to certain business problems or technical questions regarding your knowledge of different business models.