Information technology (IT) is the application of computers to store, study, retrieve, transmit, and manipulate data, or information, often in a business or other enterprise. It can be referred to as information technology infrastructure (IT infrastructure), usually consisting of computing hardware, software, and networking resources that enable application services. IT management is responsible for the effective provisioning, operating, and controlling of these resources to support business processes. IT disaster recovery (ITDR) is a plan for regaining interrupted IT services. It includes processes, procedures, and tools for restoring disrupted systems and data. The goal of ITDR is to minimize the disturbance of business operations and to ensure the timely restoration of critical IT services. An effective IT disaster recovery plan meets the organization's specific needs. It should be scalable, flexible, and easy to implement. The IT department should also test the program regularly to ensure its effectiveness. There are four main components of an effective IT disaster recovery plan. The first is a risk assessment, which identifies potential risks and vulnerabilities. The second is a business impact analysis, which assesses the impact of disruptions

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