To keep a desktop computer or a server powered up when the electricity goes off in addition to protection against power fluctuations, an <u>uninterruptible power supply (UPS)</u>, which contains a built-in battery, can be used.
<u>Explanation</u>:
An uninterruptible power supply (UPS) is a device that allows a computer or server powered up for a short time, when the electricity goes off. UPS device also provides uninterrupted service during power fluctuation.
A battery is inbuilt in the UPS and provides power for few minutes to the computer to shut down it in a proper manner.
UPS is available at affordable cost and can be maintained at low cost compared to generators.
Answer: A. Network Access Control (NAC)
Explanation:
The CORRECT answer is (A.) <em>Network Access Control (NAC)</em>. NAC refers to an method used in computer protection in which aspects such as antivirus, or host intrusion prevention among others are somehow consolidated in order to unify endpoint security. Such an approach allows the system authentication to enforce network security.
Answer Research is defined as the creation of new knowledge and/or the use of existing knowledge in a new and creative way so as to generate new concepts, methodologies and understandings
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