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200-201 Practice Question: A security analyst reviews logs and finds…
A security analyst reviews logs and finds multiple failed login attempts from a single IP. This is indicative of what type of attack?
⚠ Common exam trap
Cisco often tests the distinction between a brute-force attack (single source, many attempts) and a DDoS attack (many sources, high volume of traffic), so the trap here is confusing a single-source authentication attack with a distributed resource exhaustion attack.
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
✓
Brute-force
Multiple failed login attempts from a single IP address are characteristic of a brute-force attack, where an attacker systematically tries many passwords (or usernames) against a single account or service until successful. This pattern is distinct from other attack types because it involves repeated authentication attempts from one source, aiming to guess credentials rather than intercept traffic, deceive users, or overwhelm resources.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Man-in-the-middle
Why it's wrong here
MITM attacks intercept communications, not directly login attempts.
- ✗
Phishing
Why it's wrong here
Phishing is a social engineering attack via email or messages.
- ✗
DDoS
Why it's wrong here
DDoS overwhelms resources with traffic, not specific login attempts.
- ✓
Brute-force
Why this is correct
Repeated failed login attempts from one source suggest a brute-force attack.
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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.