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VRF and Path Isolation →mediumMultiple ChoiceObjective-mapped

CCNP VRF and Path Isolation Practice Question

This 350-401 practice question tests your understanding of vrf and path isolation. 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 route vrf CUSTOMER-A

VRF CUSTOMER-A: Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route

Gateway of last resort is 10.0.1.1 to network 0.0.0.0

10.0.0.0/8 is variably subnetted, 3 subnets, 2 masks
C        10.0.0.0/30 is directly connected, GigabitEthernet0/0.100
L        10.0.0.1/32 is directly connected, GigabitEthernet0/0.100
B        10.0.2.0/24 [200/0] via 192.168.1.2, 00:12:34

Based on this output, what can be concluded?

Question 1mediummultiple choice
Review the full OSPF breakdown →

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

✓

VRF CUSTOMER-A has a BGP-learned route to 10.0.2.0/24

The output shows a BGP-learned route to 10.0.2.0/24 with the code 'B' and the administrative distance [200/0], indicating it is an external BGP route. The route is installed in the VRF CUSTOMER-A routing table, confirming that VRF CUSTOMER-A is using BGP and has learned this prefix via BGP from the next-hop 192.168.1.2.

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.

  • ✓

    VRF CUSTOMER-A has a BGP-learned route to 10.0.2.0/24

    Why this is correct

    The B entry shows a BGP route with next-hop 192.168.1.2, indicating BGP learned the prefix 10.0.2.0/24.

    Related concept

    Read the scenario before looking for a memorised answer.

  • ✗

    VRF CUSTOMER-A is not using BGP for routing

    Why it's wrong here

    The B entry clearly shows BGP is used.

  • ✗

    The default route is learned via BGP

    Why it's wrong here

    The gateway of last resort is 10.0.1.1, which is not necessarily BGP; it could be static or from another protocol.

  • ✗

    GigabitEthernet0/0.100 is not associated with VRF CUSTOMER-A

    Why it's wrong here

    The directly connected routes on that subinterface appear in the VRF routing table, so it is associated.

Common exam traps

Common exam trap: answer the scenario, not the keyword

Cisco often tests the distinction between the 'Gateway of last resort' and BGP-learned default routes; candidates may incorrectly assume the default route is BGP-learned because BGP is present in the table, but the output explicitly shows the gateway is 10.0.1.1, not a BGP next-hop.

Trap categories for this question

  • Command / output trap

    The B entry clearly shows BGP is used.

Detailed technical explanation

How to think about this question

In a VRF-aware environment, the 'show ip route vrf' command displays only routes belonging to that VRF instance. BGP routes in a VRF are typically learned via MP-BGP with the appropriate Route Distinguisher (RD) and Route Target (RT) to ensure proper isolation. The administrative distance of 200 for the BGP route indicates it is an eBGP route (default AD 20 for eBGP in global table, but 200 for iBGP; however, in some VRF contexts, the AD may be modified or reflect the BGP process configuration).

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 network engineer at a university connects two campus buildings via a fibre link. Both routers run OSPF, but no adjacency forms — even though both routers can ping each other. The engineer finds one router is in area 0 and the other in area 1. OSPF adjacency requires matching area numbers, hello/dead timers, and network type. IP reachability alone is not enough.

What to study next

Got this wrong? Here's your next step.

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

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FAQ

Questions learners often ask

What does this 350-401 question test?

VRF and Path Isolation — This question tests VRF and Path Isolation — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: VRF CUSTOMER-A has a BGP-learned route to 10.0.2.0/24 — The output shows a BGP-learned route to 10.0.2.0/24 with the code 'B' and the administrative distance [200/0], indicating it is an external BGP route. The route is installed in the VRF CUSTOMER-A routing table, confirming that VRF CUSTOMER-A is using BGP and has learned this prefix via BGP from the next-hop 192.168.1.2.

What should I do if I get this 350-401 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: Jun 24, 2026

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This 350-401 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 350-401 exam.