This 300-410 practice question tests your understanding of route summarization. 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 a Route Summarization issue:
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The summary route 10.0.0.0/16 has both a local and remote label binding, indicating MPLS LDP is operational for this prefix.
This output shows MPLS LDP label bindings for the prefix 10.0.0.0/16. There is a local label (16) and a remote label (17) from LSR 2.2.2.2. This indicates that the summary route is label-switched, and LDP has successfully assigned labels for it.
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 summary route 10.0.0.0/16 has both a local and remote label binding, indicating MPLS LDP is operational for this prefix.
Why this is correct
The presence of both local and remote bindings confirms LDP is working for the summary route.
Related concept
Read the scenario before looking for a memorised answer.
✗
The summary route is not label-switched because no local binding exists.
Why it's wrong here
A local binding exists with label 16.
✗
The remote binding indicates that the route is not being summarized.
Why it's wrong here
The binding is for the /16 prefix, which is the summary.
✗
The label bindings are for the more specific /24 routes, not the summary.
Why it's wrong here
The output explicitly shows the prefix 10.0.0.0/16.
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.
Trap categories for this question
Command / output trap
The output explicitly shows the prefix 10.0.0.0/16.
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 Summarization — This question tests Route Summarization — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The summary route 10.0.0.0/16 has both a local and remote label binding, indicating MPLS LDP is operational for this prefix. — This output shows MPLS LDP label bindings for the prefix 10.0.0.0/16. There is a local label (16) and a remote label (17) from LSR 2.2.2.2. This indicates that the summary route is label-switched, and LDP has successfully assigned labels for it.
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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