A DDoS attack tries to:

  1. Encrypt files and demand a ransom
  2. Steal passwords by watching keystrokes
  3. Guess passwords one by one
  4. Make a service unavailable by flooding it with traffic from many computers
Answer

D) Make a service unavailable by flooding it with traffic from many computers

Distributed Denial of Service overwhelms a server with requests from many (often hijacked) machines. SLO CS-11-A-04 · Knowledge

Computer Science MCQ · More Unit 1: Computer Systems MCQs · Practise