An “evil twin” in the context of computer security is: a) a virus-laden attachment that looks just like a sincere attachment b) a counterfeit wifi connection in a coffee shop that appears to be genuine c) a duplicate badge that allows a nasty person entry into a data center d) someone who looks just like the chief information officer, but steals data

Solution: the categorization of functional and non-functional requirement are as follows: some of the more typical functional requirements include: • business rules• transaction corrections, adjustments and cancellations• administrative functions• authentication• authorization levels• audit tracking• external interfaces• certification requirements• reporting requirements• historical data• legal or regulatory requirementswhile,some typical non-functional requirements are: • performance – for example response time, throughput, utilization, static volumetric• scalability• capacity• availability• reliability• recoverability• maintainability• serviceability• security• regulatory• manageability• environmental• data integrity• usability• interoperability