answer all questions properly.

1. Identify the application domain, problem domain, approaches to collect requirement, functional and nonfunctional requirements of following systems in a tabular form: i) Result Processing System ii) Air Traffic Control System iii) C02 Emission Measurement System iv) Air Quality Measurement System 2. Why N-layered architecture is used for designing a system of Automated Teller Machine. 3. Design a checklist for Server security checkup and testing.