350-601 Storage Network Practice Question
Which FC addressing component is used to uniquely identify a host bus adapter (HBA) port in a Fibre Channel fabric, and is often used for zoning?
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
✓
World Wide Port Name (WWPN)
The World Wide Port Name (WWPN) is a globally unique 64-bit identifier assigned to each Fibre Channel port, commonly used for hard zoning.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
World Wide Port Name (WWPN)
Why this is correct
WWPN uniquely identifies a port and is used for zoning.
- ✗
World Wide Node Name (WWNN)
Why it's wrong here
WWNN identifies the node, not the specific port.
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Fibre Channel ID (FCID)
Why it's wrong here
FCID is a dynamic address assigned by the switch, not a persistent identifier.
- ✗
Domain ID
Why it's wrong here
Domain ID identifies a switch in the fabric.
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