200-201 Exam Dumps | Which type of attack uses a botnet to reflect requests off of an NTP server to overwhelm a target?

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Question 106/167

Which type of attack uses a botnet to reflect requests off of an NTP server to overwhelm a target?

A. Display

B. Man-in-the-middle

C. Distributed denial of service

D. Denial of service

Correct Answer: C

* A Distributed Denial of Service (DDoS) attack involves multiple compromised devices (botnet) sending a large number of requests to a target server to overwhelm it.
* In a specific type of DDoS attack known as an NTP amplification attack, the attacker exploits the Network Time Protocol (NTP) servers by sending small queries with a spoofed source IP address (the target's IP).
* The NTP server responds with a much larger reply to the target's IP address, thereby amplifying the traffic directed at the target.
* This reflection and amplification technique significantly increases the volume of traffic sent to the target, causing denial of service.
References
* OWASP DDoS Attack Overview
* NTP Amplification Attack Explained
* Understanding Botnets and Distributed Attacks

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