This 350-401 practice question tests your understanding of vrf and path isolation. 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.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
It advertises the directly connected network of GigabitEthernet0/4 into BGP for VRF CUSTOMER_A.
The 'redistribute connected' command under the BGP address-family for VRF CUSTOMER_A injects the directly connected network on GigabitEthernet0/4 (192.168.100.0/24) into the BGP table for that VRF. This allows BGP to advertise that subnet to BGP peers within the VRF, enabling reachability to the VRF's local interface network.
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.
✓
It advertises the directly connected network of GigabitEthernet0/4 into BGP for VRF CUSTOMER_A.
Why this is correct
Correct. This redistributes the connected subnet into BGP for the VRF.
Related concept
Read the scenario before looking for a memorised answer.
✗
It redistributes all BGP routes into the VRF's routing table.
Why it's wrong here
Incorrect. Redistribution is from connected into BGP, not the reverse.
✗
It enables BGP to exchange routes with other VRFs on the same router.
Why it's wrong here
Incorrect. BGP does not exchange routes between VRFs directly.
✗
It is used to leak routes between VRF CUSTOMER_A and the global routing table.
Why it's wrong here
Incorrect. Route leaking requires additional commands like 'import/export' or VRF-lite.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the misconception that 'redistribute connected' in a VRF context applies to all connected interfaces globally, when in fact it only applies to interfaces assigned to that specific VRF.
Trap categories for this question
Command / output trap
Incorrect. Route leaking requires additional commands like 'import/export' or VRF-lite.
Detailed technical explanation
How to think about this question
Under the hood, 'redistribute connected' in a VRF BGP address-family uses the VRF's routing table to find directly connected interfaces that belong to that VRF; only interfaces with 'vrf forwarding CUSTOMER_A' are considered. A common real-world scenario is when a CE router needs to advertise its LAN subnet to a PE router over an eBGP session within a VRF, and 'redistribute connected' is used to inject that subnet without requiring a static route or network statement.
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 segments a warehouse floor into three subnets: 20 scanners, 5 printers, and 2 management hosts. Picking the wrong mask wastes addresses or leaves too few usable hosts. Exam questions test whether you can apply CIDR notation, calculate block size, and identify the correct usable-host range for a given prefix.
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.
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: It advertises the directly connected network of GigabitEthernet0/4 into BGP for VRF CUSTOMER_A. — The 'redistribute connected' command under the BGP address-family for VRF CUSTOMER_A injects the directly connected network on GigabitEthernet0/4 (192.168.100.0/24) into the BGP table for that VRF. This allows BGP to advertise that subnet to BGP peers within the VRF, enabling reachability to the VRF's local interface network.
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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Question Discussion
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