Computer Science for IGCSE & O level - The Internet And Its Uses (Section 13 - No. 11)

What is a 'denial-of-service' (DoS) attack?
An attack that steals your personal information.
An attack that makes your computer faster.
An attack that floods a server with traffic to make it unavailable.
An attack that installs malicious software on your computer.

Explanation

DoS attacks aim to make a service unavailable by overwhelming it with traffic.

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