Last week we covered the seven primary characteristic of an IT infrastructure ( the ”ilities”):1. Usability2. Maintainability3. Scalability4. Reliability/ Availability5. Extensibility6. Portability7. SecurityInstructions: Please select one of the seven characteristics above and respond with an example of what this term means in terms of IT architecture and why it is so important to a solid architecture to support information system. Remember to distinguish between objective article and vendors marketing information. Also be sure to evaluate the source to make sure they are relevant to the discussion topic.