- A
Static NAT is configured for host 10.0.0.10 to 192.0.2.10.
The translation shows a static mapping (no protocol, and statistics confirm static).
- B
Dynamic NAT is configured with overload.
Why wrong: The statistics show 0 dynamic translations.
- C
The NAT pool is exhausted.
Why wrong: No pool is used for static NAT.
- D
PAT is translating multiple hosts to the same global address.
Why wrong: Only one translation exists, and it is static.
Question 1,013 of 2,152
Show IP NAT Translations
This 300-410 practice question tests your understanding of nat and pat. Examine the command output carefully: the correct answer depends on what the output actually shows, not on general recall alone. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A network engineer runs the following command on Router R1:
R1# show ip nat translations
Pro Inside global Inside local Outside local Outside global --- 192.0.2.10 10.0.0.10 --- ---
R1# show ip nat statistics
Total active translations: 1 (1 static, 0 dynamic; 0 extended) Outside interfaces: GigabitEthernet0/1 Inside interfaces: GigabitEthernet0/0 Hits: 5 Misses: 0 CEF Translated packets: 5, CEF Punted packets: 0 Expired translations: 0
Based on this output, which statement is correct?
Quick Answer
The correct statement is that static NAT is configured for host 10.0.0.10 to 192.0.2.10. This is confirmed by the show ip nat translations output, which displays a single static mapping with an Inside local address of 10.0.0.10 and an Inside global address of 192.0.2.10, while the Outside local and Outside global fields are empty—a hallmark of static NAT. The show ip nat statistics output reinforces this by reporting exactly one static translation and zero dynamic translations, with five hits indicating successful packet translation. On the Cisco CCNP ENARSI 300-410 exam, this scenario tests your ability to interpret NAT translation tables and distinguish static from dynamic entries; a common trap is confusing the empty Outside columns with a missing configuration, but static NAT only maps inside addresses, leaving those fields blank. Remember the memory tip: “Static is local-to-global, no outside involved”—if the Outside columns are dashes, it’s a static one-to-one mapping, not dynamic or PAT.
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
✓
Static NAT is configured for host 10.0.0.10 to 192.0.2.10.
The output shows a single static NAT translation from inside local address 10.0.0.10 to inside global address 192.0.2.10. The 'show ip nat statistics' confirms '1 static' translation with no dynamic entries, and the NAT table lacks a port number, indicating a one-to-one static mapping rather than PAT. Therefore, static NAT is correctly configured for host 10.0.0.10 to 192.0.2.10.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Static NAT is configured for host 10.0.0.10 to 192.0.2.10.
Why this is correct
The translation shows a static mapping (no protocol, and statistics confirm static).
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Dynamic NAT is configured with overload.
Why it's wrong here
The statistics show 0 dynamic translations.
- ✗
The NAT pool is exhausted.
Why it's wrong here
No pool is used for static NAT.
- ✗
PAT is translating multiple hosts to the same global address.
Why it's wrong here
Only one translation exists, and it is static.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the distinction between static NAT and dynamic NAT with overload (PAT) by showing a translation table without port numbers—candidates mistakenly assume PAT is in use because they see a global address, but the absence of protocol/port fields and the '1 static' count in statistics clearly indicate static NAT.
Trap categories for this question
Command / output trap
The statistics show 0 dynamic translations.
Detailed technical explanation
How to think about this question
Static NAT creates a permanent one-to-one mapping between an inside local and inside global address, often used for servers that must be reachable from outside. The 'show ip nat translations' output omits the protocol and port fields when the translation is static and not PAT-based, as the mapping is purely address-based. In contrast, dynamic NAT with overload (PAT) would populate the 'Pro' column with protocol and port numbers to multiplex multiple inside hosts to a single global IP.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
Visual reference
What to study next
Got this wrong? Here's your next step.
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FAQ
Questions learners often ask
What does this 300-410 question test?
NAT and PAT — This question tests NAT and PAT — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Static NAT is configured for host 10.0.0.10 to 192.0.2.10. — The output shows a single static NAT translation from inside local address 10.0.0.10 to inside global address 192.0.2.10. The 'show ip nat statistics' confirms '1 static' translation with no dynamic entries, and the NAT table lacks a port number, indicating a one-to-one static mapping rather than PAT. Therefore, static NAT is correctly configured for host 10.0.0.10 to 192.0.2.10.
What should I do if I get this 300-410 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
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