ISC2 Certified in Cybersecurity (CC) Practice Question
In an on-premises server room, which practice most clearly demonstrates the concept of redundancy aimed at maintaining high availability during a power disruption?
Color-coding and labeling network patch cables for easier maintenance
Deploying a single next-generation firewall at the edge of the network
Arranging equipment in a hot-aisle/cold-aisle pattern to improve cooling efficiency
Connecting critical servers to two separate uninterruptible power supplies on different electrical circuits
Redundancy involves duplicating critical components so that the failure of one does not interrupt operations. Using two independent uninterruptible power supplies (UPS) that can each support the same set of servers means power will continue even if one UPS fails. Merely labeling cables, configuring HVAC airflow, or installing a single next-generation firewall do not duplicate a critical function; they improve organization, cooling efficiency, or security but leave no backup component ready to take over immediately if the primary one stops working.
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What is the primary purpose of redundancy in an IT system?
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ISC2 Certified in Cybersecurity (CC)
Network Security
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