Which of the following is malware that pretends to do one thing, or looks as if it's doing one thing, while doing something evil?

Many people contact their television service provider for a ________ to be able to record large videos for later playback

A) PSTN B) PBX C) VOD D) DVR

A(n) ________ error alert accepts invalid data but provides information to the user

Fill in the blank(s) with correct word