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When is the name of the electrical disturbance that happens with an extended reduction of power?

A) Brownout B) Blackout C) Power sag D) Power drop

Which of the following statements best describes a Trojan?

A) Malicious software that hides into the lower levels of the operating system and opens a backdoor B) Malicious software that records every key stroke and mouse movement C) Malicious software that disguises itself as a legitimate program D) Malicious software that takes the computer data hostage to extort money