350-601 Storage Network Practice Question
A data center engineer is implementing FCoE and must ensure lossless behavior for Fibre Channel traffic over Ethernet. Which Data Center Bridging (DCB) mechanism prevents frame loss by pausing traffic on a per-priority basis?
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 prevent frame loss, ensuring 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.
- ✗
Data Center Bridging Exchange (DCBX)
Why it's wrong here
DCBX is a discovery and configuration protocol.
- ✓
Priority Flow Control (PFC)
Why this is correct
PFC provides per-priority pause to enable lossless Ethernet.
- ✗
FCoE Initialization Protocol (FIP)
Why it's wrong here
FIP is for FCoE device discovery and login.
- ✗
Enhanced Transmission Selection (ETS)
Why it's wrong here
ETS allocates bandwidth among traffic classes but does not prevent loss.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-601 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 350-601 exam.