CCOA Incident Detection And Response Practice Question
A security appliance flags a high volume of traffic from a single internal host to a series of random external IP addresses. This is a classic indicator of which activity?
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
✓
Network scanning
Scanning or discovery phases often manifest as a single host attempting to connect to numerous external destinations in a short window.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Network scanning
Why this is correct
Involves connecting to many IPs to probe for open ports.
- ✗
Normal web browsing
Why it's wrong here
Does not typically exhibit high-volume, random, short-duration connection attempts.
- ✗
VPN connection
Why it's wrong here
Usually a persistent tunnel to a single gateway.
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Data exfiltration
Why it's wrong here
Typically involves a single, large session or sustained connection to a known destination.
About these practice questions
One of 203 original CCOA practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official ISACA exam blueprint
This CCOA practice question is part of Courseiva's free ISACA 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 CCOA exam.