Final answer:
A Denial of Service attack is designed to prevent authorized access to systems by overwhelming them with excessive queries.
Explanation:
Denial of Service attack (DoS) is designed to prevent authorized access to systems by overwhelming them with excessive queries, making them unavailable for legitimate users. An example of a DoS attack is the Distributed Denial of Service (DDoS) attack, where multiple points are used to launch the attack, often through zombies and botnets.
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