mediumMultiple ChoiceObjective-mapped
ISC2 CC Practice Question: Refer to the exhibit
Exhibit
Firewall configuration snippet: access-list 101 permit tcp any host 10.0.1.100 eq 80 access-list 101 permit tcp any host 10.0.1.100 eq 443 access-list 101 deny ip any any log
Refer to the exhibit. What is the effect of this ACL?
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
✓
Allows HTTP and HTTPS traffic to server 10.0.1.100, denies all other traffic
The ACL permits HTTP (port 80) and HTTPS (port 443) traffic from any source to host 10.0.1.100, and explicitly denies all other traffic.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Allows only HTTPS to 10.0.1.100
Why it's wrong here
Incorrect. Both HTTP and HTTPS are allowed.
- ✗
Denies HTTP and HTTPS to 10.0.1.100
Why it's wrong here
Incorrect. Those are permitted.
- ✗
Allows all traffic to 10.0.1.100
Why it's wrong here
Incorrect. Only HTTP/HTTPS are permitted; other protocols are denied.
- ✓
Allows HTTP and HTTPS traffic to server 10.0.1.100, denies all other traffic
Why this is correct
Correct. The two permit lines allow those protocols; the deny all blocks everything else.
Visual reference
Go deeper
Related to this question
Learn chapter
Access Control Fundamentals
Key term
Hypertext Transfer Protocol Secure
Hypertext Transfer Protocol Secure, or HTTPS, is the secure version of HTTP that encrypts data between a web browser and a website using SSL/TLS to protect sensitive information like passwords and credit card numbers.
Key term
ACL
An Access Control List is a set of rules that determines who or what can access specific network resources or data.
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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.