- A
Both translations are dynamic NAT entries.
Why wrong: The first entry has '---' in the protocol field, indicating a static NAT entry, not dynamic.
- B
The translation for 10.0.0.10 is a static NAT entry.
The absence of a protocol (---) and the presence of an inside global address that does not change indicates a static NAT.
- C
The router is performing PAT for both translations.
Why wrong: The ports are shown, but the first entry has no protocol, so it is not necessarily PAT. PAT would show 'tcp' or 'udp' with port numbers.
- D
The outside global address is the same as the outside local address for both entries.
Why wrong: For the first entry, outside local and outside global are both 203.0.113.5:80, but for the second, they are both 198.51.100.2:443. This is common, but not a conclusion about the NAT type.
Quick Answer
The answer is that the translation for 10.0.0.10 is a static NAT entry. This is correct because in the show ip nat translations output, the first entry for 10.0.0.10 shows a protocol field of “---” (dashes), which indicates a static NAT translation that was manually configured and does not time out, whereas the second entry for 10.0.0.11 shows “tcp” in the protocol column, marking it as a dynamic translation created on demand. On the ENCOR 350-401 exam, this distinction tests your ability to read NAT translation tables and differentiate between static and dynamic entries—a common trap is assuming all entries with an inside global address are dynamic, when in fact the absence of a protocol identifier is the key static indicator. A useful memory tip: think of the dashes as “static stays forever,” while a protocol like “tcp” means “temporary connection.”
CCNP SNMP and Syslog Practice Question
This 350-401 practice question tests your understanding of snmp and syslog. 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 R4:
R4# show ip nat translations
Pro Inside global Inside local Outside local Outside global --- 192.168.1.10:1024 10.0.0.10:1024 203.0.113.5:80 203.0.113.5:80 tcp 192.168.1.10:1024 10.0.0.10:1024 203.0.113.5:80 203.0.113.5:80 --- 192.168.1.11:2048 10.0.0.11:2048 198.51.100.2:443 198.51.100.2:443
Based on this output, what can be concluded?
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 translation for 10.0.0.10 is a static NAT entry.
The output shows NAT translations. The first entry has no protocol (---) indicating a static translation, while the second is a dynamic TCP translation (tcp). The inside global addresses are 192.168.1.10 and 192.168.1.11, mapping to inside local addresses 10.0.0.10 and 10.0.0.11. The outside addresses show the destinations. The key is that the first entry is static (no protocol) and the second is dynamic.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Both translations are dynamic NAT entries.
Why it's wrong here
The first entry has '---' in the protocol field, indicating a static NAT entry, not dynamic.
- ✓
The translation for 10.0.0.10 is a static NAT entry.
- ✗
The router is performing PAT for both translations.
- ✗
The outside global address is the same as the outside local address for both entries.
Why it's wrong here
For the first entry, outside local and outside global are both 203.0.113.5:80, but for the second, they are both 198.51.100.2:443. This is common, but not a conclusion about the NAT type.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Trap categories for this question
Command / output trap
The ports are shown, but the first entry has no protocol, so it is not necessarily PAT. PAT would show 'tcp' or 'udp' with port numbers.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
- Static NAT maps one inside address to one outside address.
- PAT allows many inside hosts to share one public address using ports.
- Inside local and inside global describe the private and translated addresses.
- NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
- Identify inside and outside interfaces first.
- Check whether the scenario needs static NAT, dynamic NAT or PAT.
- Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
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.
What to study next
Got this wrong? Here's your next step.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related 350-401 NAT questions on configuration and troubleshooting.
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FAQ
Questions learners often ask
What does this 350-401 question test?
SNMP and Syslog — This question tests SNMP and Syslog — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: The translation for 10.0.0.10 is a static NAT entry. — The output shows NAT translations. The first entry has no protocol (---) indicating a static translation, while the second is a dynamic TCP translation (tcp). The inside global addresses are 192.168.1.10 and 192.168.1.11, mapping to inside local addresses 10.0.0.10 and 10.0.0.11. The outside addresses show the destinations. The key is that the first entry is static (no protocol) and the second is dynamic.
What should I do if I get this 350-401 question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related 350-401 NAT questions on configuration and troubleshooting.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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Last reviewed: Jun 18, 2026
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