200-201 Security Concepts Practice Question
A company's web server is overwhelmed with traffic from many compromised devices, causing legitimate users to be unable to access the site. What type of attack is this?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
DDoS
A DDoS uses multiple sources to flood a target, making it unavailable.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
ARP spoofing
Why it's wrong here
ARP spoofing involves falsified MAC addresses, not traffic floods.
- ✗
DoS
Why it's wrong here
DoS comes from a single source, not multiple.
- ✗
DNS poisoning
Why it's wrong here
DNS poisoning corrupts DNS records, not direct flooding.
- ✓
DDoS
Why this is correct
Distributed Denial of Service uses many compromised devices.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 200-201 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 200-201 exam.