Q1) Explain the issues of the reduction in the unit cost of auxiliary storage(MB or GB) and the success of hashing. Why influence has the development of auxiliary storage media had on the problem of backup and recovery? What is a business impact analysis? How is the fact that some companies operate 24/7 incorporated into a backup and recovery plan? What are and explain the Ws of backup and recovery? What is a business impact analysis? How is the fact that some companies operate 24/7 incorporated into a backup and recovery plan?