题目内容

Atechnicianispreparingusereducationtoraiseawarenessofmalware.Thetechnician’sgoalistoincreaseuserawarenessandpreventthefuturespreadofmalware.AllofthefollowingaremalwaresymptomsEXCEPT:()

A. increasednumberofpop-ups.
B. decreasedvolumeofspam.
C. decreasedsystemperformance.
D. homepagehijacking.

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