JNCIA-SEC Network Address Translation Practice Question
Which Junos configuration command correctly establishes a destination NAT pool pointing to an internal server IP address of 10.2.2.50?
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
✓
set security nat destination pool srv-pool address 10.2.2.50/32
Destination NAT pools are defined under 'security nat destination pool <name> address <ip-address>'.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
set security nat destination address-pool srv-pool 10.2.2.50
Why it's wrong here
The keyword 'address-pool' is incorrect; the correct keyword is 'pool'.
- ✗
set security nat pool destination srv-pool 10.2.2.50
Why it's wrong here
This hierarchy is invalid in Junos OS.
- ✓
set security nat destination pool srv-pool address 10.2.2.50/32
Why this is correct
This is the correct Junos syntax for defining a destination NAT pool with a specific host IP.
- ✗
set security nat destination rule-set rs1 pool srv-pool address 10.2.2.50
Why it's wrong here
Pools are defined at the root NAT level, not directly inside rule-sets.
Visual reference
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Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Juniper Networks exam blueprint
This JNCIA-SEC practice question is part of Courseiva's free Juniper Networks 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 JNCIA-SEC exam.