This 350-601 practice question tests your understanding of 350-601 exam topics. 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.
An administrator wants to create separate FC fabrics on a single Cisco MDS switch for isolation of production and backup traffic. Which technology should they use?
PortChannel
Why wrong: PortChannel aggregates bandwidth and provides redundancy, not isolation.
NPV
Why wrong: NPV scales edge switches but does not create separate fabrics.
Zoning
Why wrong: Zoning restricts communication within a fabric but does not isolate fabric services.
VSAN
VSAN creates separate logical fabrics for full isolation.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
VSAN
VSANs (Virtual SANs) provide fabric isolation on the same physical switch, similar to VLANs. Each VSAN has its own fabric services, zoning, and domain ID.
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.
PortChannel
Why it's wrong here
PortChannel aggregates bandwidth and provides redundancy, not isolation.
NPV
Why it's wrong here
NPV scales edge switches but does not create separate fabrics.
Zoning
Why it's wrong here
Zoning restricts communication within a fabric but does not isolate fabric services.
VSAN
Why this is correct
VSAN creates separate logical fabrics for full isolation.
Related concept
Access ports place end devices into a single VLAN.
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
Access ports place end devices into a single VLAN.
The correct answer is: VSAN — VSANs (Virtual SANs) provide fabric isolation on the same physical switch, similar to VLANs. Each VSAN has its own fabric services, zoning, and domain ID.
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: Jul 4, 2026
This 350-601 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 350-601 exam.
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