CCOA Adversarial Tactics Practice Question
You see a process performing DNS queries for unusually long subdomains. Which tactic is the adversary likely exercising?
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
✓
Command and Control
DNS tunneling is a technique used to bypass network firewalls and communicate with C2 servers, falling under Command and Control.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Discovery
Why it's wrong here
This is not discovery.
- ✓
Command and Control
Why this is correct
This is a form of C2 communication.
- ✗
Exfiltration
Why it's wrong here
While it can be used for data exfiltration, the primary tactic is the C2 channel established.
- ✗
Lateral Movement
Why it's wrong here
This is not lateral movement.
About these practice questions
Courseiva writes every CCOA question from scratch — 203 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or dumps. 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.