350-701 Network Security Practice Question
A network administrator is configuring NAT on a Cisco ASA to allow internal users to access the internet using a single public IP address. The internal network uses RFC 1918 addresses. Which type of NAT should be configured?
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
✓
PAT (Port Address Translation)
PAT (Port Address Translation) allows many internal IPs to share a single public IP by using unique source ports. Dynamic NAT would require a pool of public IPs, and static NAT provides one-to-one mapping.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Dynamic NAT
Why it's wrong here
Dynamic NAT uses a pool of public IPs, not a single IP.
- ✗
Static NAT
Why it's wrong here
Static NAT is one-to-one mapping, not sharing a single IP.
- ✗
Identity NAT
Why it's wrong here
Identity NAT bypasses translation, not used for sharing a single IP.
- ✓
PAT (Port Address Translation)
Why this is correct
PAT overloads a single IP by using unique port numbers.
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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.