CGRC Control Implementation Practice Question
When configuring Cisco ASA firewall rules, you notice that traffic is being dropped despite an 'allow' access-list. What is the most likely cause?
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
✓
The rule is placed after a 'deny ip any any' rule in the same list
The Cisco ASA uses an 'implicit deny' at the end of every access-list, and the order of rules matters.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The interface is not assigned to a security zone
Why it's wrong here
ASA interfaces are assigned to security levels, not zones.
- ✗
The traffic is encrypted by VPN
Why it's wrong here
VPN traffic is processed by the crypto map, but rules are still applied post-decryption.
- ✗
Missing 'permit ip any any' at the top
Why it's wrong here
This would permit everything, bypassing the intent of the rules.
- ✓
The rule is placed after a 'deny ip any any' rule in the same list
Why this is correct
ASA access lists are processed sequentially; the first match wins.
About these practice questions
This CGRC question is part of Courseiva's 199-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam 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 (ISC)² exam blueprint
This CGRC practice question is part of Courseiva's free (ISC)² 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 CGRC exam.