350-601 Storage Network Practice Question
A storage administrator notices that a newly deployed Fibre Channel initiator cannot log in to the SAN switch. The switch is configured for NPV mode. Which condition is most likely causing the issue?
⚠ Common exam trap
Cisco often tests the distinction between NPV (a switch mode) and NPIV (a feature on the upstream switch), leading candidates to confuse the two or assume the issue is with the NPV switch's own configuration.
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
✓
NPIV is disabled on the upstream switch.
In NPV mode, the switch acts as a transparent proxy, forwarding FLOGI requests from initiators to the upstream NPIV-capable core switch. If NPIV is disabled on the upstream switch, it will reject the FLOGI because it cannot register multiple N-Port IDs on a single physical link, causing the initiator to fail login.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
NPIV is disabled on the upstream switch.
Why this is correct
NPIV must be enabled on upstream switches for NPV mode to work.
- ✗
The initiator is not using a device alias.
Why it's wrong here
Device aliases are optional for zoning, not for login.
- ✗
The switch is configured for NPIV mode instead of NPV.
Why it's wrong here
NPIV mode is for upstream switches; NPV is for edge switches.
- ✗
The switch port is configured as an E port.
Why it's wrong here
E ports are for inter-switch links, not for host login.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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