Ziffcorp, an it firm, uses a technology that automatically updates the antivirus software in all the computers in the firm whenever the software becomes outdated. it is evident that ziffcorp uses for automatically updating the antivirus software.

Ziffcorp, an it firm, uses a technology that automatically updates the antivirus software in all the computers in the firm whenever the software becomes outdated. it is evident that Ziffcorp uses push technology  for automatically updating the antivirus software. The push technology is Internet based communication system in which the transaction request is generated by the publisher or central web server.

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