A prolonged complete loss of electric power is a:
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A. B. C. D.B.
A prolonged power outage is a blackout.
From: HARRIS, Shon, All-In-One CISSP Certification Exam Guide, 3rd.
Edition McGraw-Hill/Osborne, 2005, page 368.
The correct answer to this question is B. blackout.
A blackout is a complete loss of electrical power in an area or region, which can last for an extended period of time. It can occur due to a variety of reasons such as natural disasters, equipment failures, or cyber attacks.
During a blackout, there is no power to operate electrical equipment, including security systems and communication devices, which can compromise the safety and security of individuals and organizations. In addition, a prolonged blackout can lead to widespread disruption of essential services such as healthcare, transportation, and banking.
To mitigate the impact of a blackout, organizations can take proactive measures such as implementing backup power systems, creating emergency response plans, and conducting regular drills to ensure that employees are prepared to respond effectively in the event of a blackout.
A brownout, on the other hand, is a temporary and partial reduction in voltage in an electrical power supply system. It can cause lights to dim and electrical equipment to operate at reduced capacity, but it does not result in a complete loss of power. A surge is a brief and sudden increase in voltage in an electrical power supply system, which can damage electrical equipment. A fault refers to a defect or malfunction in an electrical system or device.