350-701 Network Security Practice Question
A Cisco ASA has three interfaces: inside (100), outside (0), and DMZ (50). A static NAT rule is configured to map the DMZ server 10.1.1.10 to outside address 200.1.1.10. An ACL on the outside interface permits traffic to 200.1.1.10. A host on the internet sends a packet to 200.1.1.10. What happens when the packet hits the outside interface?
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 packet is forwarded to the DMZ server after NAT translation.
The ASA translates the destination address to the DMZ IP using the static NAT rule, then routes the packet to the DMZ interface. Security levels do not block because NAT is performed before routing.
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 packet is dropped because no ACL exists for the DMZ interface.
Why it's wrong here
No ACL is needed on DMZ for this traffic; the outside ACL permits it.
- ✗
The packet is forwarded only if an ACL on the DMZ interface permits it.
Why it's wrong here
The ACL on the outside interface is sufficient; the DMZ interface does not require an inbound ACL for this traffic.
- ✓
The packet is forwarded to the DMZ server after NAT translation.
Why this is correct
Correct. Static NAT translates the destination to the DMZ IP and forwards the packet.
- ✗
The packet is dropped because the outside security level is lower than DMZ.
Why it's wrong here
NAT bypasses the security level check for inbound traffic.
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JA
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.