This 350-601 practice question tests your understanding of storage network. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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.
Which FCoE feature allows multiple VLANs to be carried over a single physical link when using FIP snooping?
NPV
Why wrong: NPV is a Fibre Channel feature.
VSANs
Why wrong: VSANs are for FC, not FCoE VLANs.
FIP snooping
FIP snooping enables multiple FCoE VLANs on a link.
Port channels
Why wrong: Port channels aggregate links but don't inherently support multiple VLANs.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
FIP snooping
FIP snooping (Fibre Channel over Ethernet Initialization Protocol snooping) is used in FCoE environments to enable multiple FCoE VLANs on a single link. Option A is wrong because VSANs are for Fibre Channel. Option B is wrong because NPV is for Fibre Channel. Option D is wrong because port channels are for link aggregation, not VLAN support.
Key principle: A trunk being up does not mean the VLAN is allowed across it. Always verify the allowed VLAN list and whether the VLAN exists on both switches.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
NPV
Why it's wrong here
NPV is a Fibre Channel feature.
VSANs
Why it's wrong here
VSANs are for FC, not FCoE VLANs.
FIP snooping
Why this is correct
FIP snooping enables multiple FCoE VLANs on a link.
Related concept
Access ports place end devices into a single VLAN.
Port channels
Why it's wrong here
Port channels aggregate links but don't inherently support multiple VLANs.
Common exam traps
A trunk being up does not prove every VLAN is crossing it. Check allowed VLAN lists, native VLAN mismatch, VLAN existence and access-port assignment.
Detailed technical explanation
VLAN questions usually combine access-port and trunking clues. The key is to identify whether the issue is local to one switchport, caused by the trunk, or caused by the VLAN not existing where it needs to exist.
Key takeaway
A trunk being up does not mean the VLAN is allowed across it. Always verify the allowed VLAN list and whether the VLAN exists on both switches.
Real-world example
A help-desk technician troubleshoots why a newly connected PC cannot reach shared printers on the same floor. The cable is good, the switch port is active, but the PC is in VLAN 20 and the printers are in VLAN 10. The uplink trunk only allows VLAN 10. A trunk being up does not mean every VLAN crosses it.
What to study next
Review VLAN allowed lists, native VLAN mismatch detection, and how to verify VLAN membership with show vlan brief and show interfaces trunk. Then practise related 350-601 questions on switching, trunking, and access-port configuration.
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FAQ
Storage Network — This question tests Storage Network — Access ports place end devices into a single VLAN..
The correct answer is: FIP snooping — FIP snooping (Fibre Channel over Ethernet Initialization Protocol snooping) is used in FCoE environments to enable multiple FCoE VLANs on a single link. Option A is wrong because VSANs are for Fibre Channel. Option B is wrong because NPV is for Fibre Channel. Option D is wrong because port channels are for link aggregation, not VLAN support.
Review VLAN allowed lists, native VLAN mismatch detection, and how to verify VLAN membership with show vlan brief and show interfaces trunk. Then practise related 350-601 questions on switching, trunking, and access-port configuration.
Access ports place end devices into a single VLAN.
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Last reviewed: Jun 24, 2026
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