Some routers and switches in a wiring closet malfunctioned after an air conditioning unit failed. What type of threat does this situation describe?

Question:
Some routers and switches in a wiring closet malfunctioned after an air conditioning unit failed. What type of threat does this situation describe?

• configuration
• environmental
• electrical
• maintenance

Explanation: The four classes of threats are as follows:

• Hardware threats - physical damage to servers, routers, switches, cabling plant, and workstations
• Environmental threats - temperature extremes (too hot or too cold) or humidity extremes (too wet or too dry)
• Electrical threats - voltage spikes, insufficient supply voltage (brownouts), unconditioned power (noise), and total power loss
• Maintenance threats - poor handling of key electrical components (electrostatic discharge), lack of critical spare parts, poor cabling, and poor labeling

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