350-601 Storage Network Practice Question
A storage engineer is planning an FCoE deployment in a data center. The network must support lossless Ethernet for Fibre Channel traffic. Which three Data Center Bridging (DCB) features are required? (Choose three.)
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)
PFC (Priority Flow Control) provides per-priority pause for lossless transmission. ETS (Enhanced Transmission Selection) allocates bandwidth among traffic classes. DCBX (Data Center Bridging Exchange) allows peers to exchange DCB configuration parameters.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Priority Flow Control (PFC)
Why this is correct
PFC ensures no frame loss for FCoE traffic.
- ✗
Link Aggregation Control Protocol (LACP)
Why it's wrong here
LACP is used for Ethernet link aggregation, not specific to DCB.
- ✓
Enhanced Transmission Selection (ETS)
Why this is correct
ETS provides bandwidth management for different traffic types.
- ✗
Spanning Tree Protocol (STP)
Why it's wrong here
STP prevents loops but is not a DCB feature.
- ✓
Data Center Bridging Exchange (DCBX)
Why this is correct
DCBX enables auto-negotiation of DCB parameters between devices.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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