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187.John is complaining that the contacts in his mailbox are receiving continuous e-mails from his ID, without him actually sending anything. Which of the following could have caused this?
188.David switched on his system and opened his messenger application. Surprisingly, a Word document opens up instead. What kind of an attack has probably occurred?
189.Which of the following is a term used to define a collection of software robots (bots) that run autonomously and automatically and may harm your computer?