The answer is that the spoke at 10.1.1.2 has successfully registered with the hub and is reachable via NBMA address 192.168.1.2. This is correct because the DMVPN NHRP cache entry shows a dynamic, registered type with the authoritative and unique flags set, which confirms the spoke initiated a registration request and the hub accepted it, creating a valid mapping between the tunnel IP (10.1.1.2) and the physical NBMA address (192.168.1.2). On the Cisco CCNP ENARSI 300-410 exam, this output tests your ability to interpret NHRP filtering and registration states; a common trap is confusing a dynamic entry with a static one or overlooking the “registered” flag, which indicates active spoke-to-hub communication rather than a cached response. Remember the memory tip: “Dynamic and registered means the spoke has confessed its address to the hub,” contrasting with a static entry that is manually configured.
300-410 Route Maps and Route Filtering Practice Question
This 300-410 practice question tests your understanding of route maps and route filtering. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 to troubleshoot DMVPN with NHRP filtering:
R1# show ip nhrp detail
10.1.1.2/8 via 10.1.1.2, Tunnel0 created 00:10:00, expire 01:50:00
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The spoke at 10.1.1.2 has registered with the hub and is reachable via NBMA address 192.168.1.2.
The output shows an NHRP cache entry for a remote spoke (10.1.1.2) with NBMA address 192.168.1.2. The entry is dynamic and registered, indicating that the spoke has successfully registered with the hub.
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.
✓
The spoke at 10.1.1.2 has registered with the hub and is reachable via NBMA address 192.168.1.2.
Why this is correct
The entry shows a dynamic registration with the NBMA address, indicating successful NHRP registration.
Related concept
Read the scenario before looking for a memorised answer.
✗
The spoke is being filtered by an NHRP filter.
Why it's wrong here
There is no indication of filtering; the entry is present and valid.
✗
The NHRP entry is static and configured manually.
Why it's wrong here
The entry is marked as 'dynamic', not static.
✗
The spoke is not reachable because the NBMA address is incorrect.
Why it's wrong here
The NBMA address is present, and there is no indication of unreachability.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→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 practitioner preparing for the 300-410 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this 300-410 question in full detail.
Identify which 300-410 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Route Maps and Route Filtering — This question tests Route Maps and Route Filtering — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The spoke at 10.1.1.2 has registered with the hub and is reachable via NBMA address 192.168.1.2. — The output shows an NHRP cache entry for a remote spoke (10.1.1.2) with NBMA address 192.168.1.2. The entry is dynamic and registered, indicating that the spoke has successfully registered with the hub.
What should I do if I get this 300-410 question wrong?
Identify which 300-410 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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