350-601 Storage Network Practice Question
An engineer is configuring a Fibre Channel over Ethernet (FCoE) deployment. The network must ensure lossless transport for FCoE traffic. Which Data Center Bridging (DCB) feature must be enabled to provide no-drop service for FCoE frames?
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
✓
Priority Flow Control (PFC)
Priority Flow Control (PFC) is a DCB mechanism that provides per-priority pause to ensure lossless delivery for FCoE traffic.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Jumbo frames
Why it's wrong here
Jumbo frames increase MTU but do not provide lossless transport.
- ✓
Priority Flow Control (PFC)
Why this is correct
PFC enables lossless transport by pausing traffic on a per-priority basis when congestion occurs.
- ✗
Enhanced Transmission Selection (ETS)
Why it's wrong here
ETS provides bandwidth allocation, not lossless transport.
- ✗
Data Center Bridging Exchange (DCBX)
Why it's wrong here
DCBX is used for capability discovery and configuration, not for lossless transport.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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