ISC2 CC Network Security Practice Question
An attacker captures network traffic and forges the source IP address to impersonate a trusted host. Which type of network threat 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
✓
Spoofing
Spoofing involves falsifying source addresses (IP, ARP, email).
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Sniffing
Why it's wrong here
Sniffing is passive eavesdropping, not impersonation.
- ✓
Spoofing
Why this is correct
Correct. Forging source IP is IP spoofing.
- ✗
Man-in-the-middle
Why it's wrong here
MITM intercepts and relays communications, not just source forgery.
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Denial of Service
Why it's wrong here
DoS overwhelms resources, not address forgery.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CC practice question is part of Courseiva's free ISC2 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 CC exam.