mediumMultiple ChoiceObjective-mapped
CCNP Practice Question: Examine the following configuration snippet…
Examine the following configuration snippet applied to a Cisco IOS-XE device:
interface GigabitEthernet0/1 ip address 10.1.1.1 255.255.255.0 ip nat inside
!
interface GigabitEthernet0/2 ip address 192.168.1.1 255.255.255.0 ip nat outside
!
access-list 100 permit ip 10.1.1.0 0.0.0.255 any ip nat inside source list 100 interface GigabitEthernet0/2 overload
What is the effect of this configuration?
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
✓
It translates all IP traffic from 10.1.1.0/24 to the IP address 192.168.1.1 using port address translation.
This is a standard NAT overload (PAT) configuration. The inside network 10.1.1.0/24 is translated to the IP address of the outside interface (GigabitEthernet0/2) with port multiplexing.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
It translates all IP traffic from 10.1.1.0/24 to the IP address 192.168.1.1 using port address translation.
Why this is correct
Correct. The 'ip nat inside source list 100 interface GigabitEthernet0/2 overload' command performs PAT, translating the inside network to the outside interface IP.
- ✗
It performs static NAT for the host 10.1.1.1 to 192.168.1.1.
Why it's wrong here
Incorrect. Static NAT would require 'ip nat inside source static' commands, not an access list with overload.
- ✗
It translates all traffic from 192.168.1.0/24 to the IP address 10.1.1.1.
Why it's wrong here
Incorrect. The inside network is 10.1.1.0/24, not 192.168.1.0/24. The outside interface is 192.168.1.1.
- ✗
It allows all IP traffic from any source to any destination without translation.
Why it's wrong here
Incorrect. The access list permits only traffic from 10.1.1.0/24, and the NAT command translates it. It does not permit all traffic.
Visual reference
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-401 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 350-401 exam.