350-701 Network Security Practice Question
A network architect is designing a DMZ for a web server that must be accessible from the internet. The server should not initiate connections to the internal network. Which firewall rule best achieves 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
✓
Permit HTTP from outside to DMZ; deny all from DMZ to inside.
To allow inbound traffic to the DMZ server but block outbound from DMZ to inside, an ACL on the DMZ interface should permit inbound traffic from outside and deny outbound to inside.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Permit HTTP from DMZ to outside; deny all from inside to DMZ.
Why it's wrong here
Allows DMZ to initiate outbound, which is not desired.
- ✓
Permit HTTP from outside to DMZ; deny all from DMZ to inside.
Why this is correct
Correct; allows external access but blocks DMZ from reaching inside.
- ✗
Permit any from outside to DMZ; permit any from DMZ to inside.
Why it's wrong here
Allows DMZ to initiate connections to inside.
- ✗
Permit any from outside to DMZ; deny any from DMZ to outside.
Why it's wrong here
Blocks DMZ to outside but not to inside.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-701 practice question is part of Courseiva's free Cisco 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 350-701 exam.