350-601 Storage Network Practice Question
A Cisco MDS switch is being configured for FCoE. Which three DCB components are required for lossless Ethernet operation? (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
✓
DCBX (Data Center Bridging Exchange)
PFC, DCBX, and ETS are the three core DCB features required for FCoE.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
DCBX (Data Center Bridging Exchange)
Why this is correct
DCBX discovers and configures DCB parameters.
- ✓
PFC (Priority Flow Control)
Why this is correct
PFC provides per-priority pause to prevent frame loss.
- ✗
FIP (FCoE Initialization Protocol)
Why it's wrong here
FIP is not a DCB component; it is part of FCoE.
- ✓
ETS (Enhanced Transmission Selection)
Why this is correct
ETS allocates bandwidth among traffic classes.
- ✗
iSCSI
Why it's wrong here
iSCSI is a different protocol.
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