Which of the following aspects of information systems is disaster recovery primarily concerned with protecting?

Disaster recovery is primarily concerned with ensuring that information systems can continue to operate or be quickly restored to operation after a disaster.

Objective: The main objective of disaster recovery is to ensure that the system remains available, or can be quickly made available, after an interruption or disaster.

Key Elements: This involves having backups, redundant systems, and recovery plans that can be quickly executed to restore system functionality.

Focus on Availability: While integrity and confidentiality are also important, the immediate concern of disaster recovery is to ensure that systems are available to users to maintain business continuity.