Based on business management, the scope of disaster recovery is Narrower than that of generalized Business Continuity; generalized Business Continuity spans the entire organization, but disaster recovery is "IT-centric."
Scope of Disaster Recovery is a process or related activities that involve the actions performed to recover and protect a company's IT infrastructure when there is a disaster.
The scope of Disaster Recovery is limited to IT-related issues concerning business firms.
Hence, in this case, it is concluded that the correct answer is option B. "Narrower / IT-centric."
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