The answer is that the route is received but not imported into VRF CUST1. This occurs because the VRF’s route target import statement explicitly matches only RT 100:1, while the CE advertises a route tagged with RT 100:100. In MPLS Layer 3 VPNs, the import route target filter acts as a gatekeeper: the PE router will accept all VPNv4 routes into its BGP table, but only those whose RT exactly matches the configured import value are installed into the corresponding VRF. On the Cisco SPCOR 350-501 exam, this scenario tests your understanding of how route target import/export policies control VRF route distribution, often appearing in configuration-based multiple-choice questions. A common trap is assuming that any RT sharing the same AS number will be imported, but the match must be precise—including the assigned value. Remember the memory tip: “Import is a bouncer, not a mailman—it checks the ID on every route before letting it into the VRF.”
350-501 Architecture Practice Question
This 350-501 practice question tests your understanding of architecture. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.
Refer to the exhibit. A PE router configuration for VRF CUST1 is shown. What is the most likely result when a CE sends a route with RT 100:100?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The route is received but not imported into VRF
The VRF only imports routes with RT 100:1. Routes with RT 100:100 are received in the BGP table but not imported into the VRF. Option B is incorrect because import depends on RT matching. C and D are not typical outcomes.
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 route causes a BGP session reset
Why it's wrong here
A non-matching RT does not cause a session reset.
✗
The route is imported and installed in VRF
Why it's wrong here
The import RT does not include 100:100, so the route is not imported.
✗
The route is imported but not advertised to other CEs
Why it's wrong here
The route is not imported at all.
✓
The route is received but not imported into VRF
Why this is correct
Only routes with matching RT import are imported; RT 100:100 does not match.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
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 350-501 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.
What to study next
Got this wrong? Here's your next step.
Identify which 350-501 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.
Architecture — This question tests Architecture — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The route is received but not imported into VRF — The VRF only imports routes with RT 100:1. Routes with RT 100:100 are received in the BGP table but not imported into the VRF. Option B is incorrect because import depends on RT matching. C and D are not typical outcomes.
What should I do if I get this 350-501 question wrong?
Identify which 350-501 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.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
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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