- A
Create a PortChannel for the ISL.
Why wrong: PortChannel is optional for link aggregation, not required for trunking multiple VSANs.
- B
Configure the ISL port as an F-port.
Why wrong: F-ports are end device ports, not for ISL trunks.
- C
Configure the port in NPV mode.
Why wrong: NPV mode is for edge switches, not for ISL trunks.
- D
Enable VSAN trunking on the port.
VSAN trunking allows the port to carry multiple VSANs.
- E
Configure the ISL port in trunk mode.
Trunk mode enables EISL for carrying multiple VSANs.
Question 200 of 1,000
350-601 Storage Network Practice Question
This 350-601 practice question tests your understanding of storage network. 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.
A Cisco MDS switch is configured with an ISL trunk between two switches. The administrator wants to enable multiple VSANs over the same physical link. Which two actions must be taken? (Choose two.)
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
✓
Enable VSAN trunking on the port.
EISL (Enhanced ISL) allows multiple VSANs to share an ISL. To use EISL, the ISL must be configured in trunk mode, and VSANs must be allowed on the trunk. The switch port must be set to 'E' port mode (or auto) to support trunking.
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
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Create a PortChannel for the ISL.
Why it's wrong here
PortChannel is optional for link aggregation, not required for trunking multiple VSANs.
- ✗
Configure the ISL port as an F-port.
Why it's wrong here
F-ports are end device ports, not for ISL trunks.
- ✗
Configure the port in NPV mode.
Why it's wrong here
NPV mode is for edge switches, not for ISL trunks.
- ✓
Enable VSAN trunking on the port.
Why this is correct
VSAN trunking allows the port to carry multiple VSANs.
Related concept
Access ports place end devices into a single VLAN.
- ✓
Configure the ISL port in trunk mode.
Common exam traps
Common exam trap: an active trunk can still block the VLAN you need
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
How to think about this question
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.
KKey Concepts to Remember
- Access ports place end devices into a single VLAN.
- Trunk ports carry multiple VLANs between switches.
- Allowed VLAN lists decide which VLANs can cross a trunk.
- Native VLAN mismatch can create confusing symptoms.
TExam Day Tips
- Use show vlan brief to verify access VLANs.
- Use show interfaces trunk to verify trunk state and allowed VLANs.
- Do not treat every same-VLAN issue as a routing problem.
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
How this comes up in practice
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
Got this wrong? Here's your next step.
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
Questions learners often ask
What does this 350-601 question test?
Storage Network — This question tests Storage Network — Access ports place end devices into a single VLAN..
What is the correct answer to this question?
The correct answer is: Enable VSAN trunking on the port. — EISL (Enhanced ISL) allows multiple VSANs to share an ISL. To use EISL, the ISL must be configured in trunk mode, and VSANs must be allowed on the trunk. The switch port must be set to 'E' port mode (or auto) to support trunking.
What should I do if I get this 350-601 question wrong?
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.
What is the key concept behind this question?
Access ports place end devices into a single VLAN.
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Last reviewed: Jul 4, 2026
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