350-601 Compute Practice Question
In a dual-fabric UCS environment, Fabric Interconnect A and Fabric Interconnect B provide redundancy. If Fabric Interconnect A fails, what happens to the traffic from servers using vNICs assigned to Fabric A?
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
✓
Traffic is lost until Fabric A is restored
vNICs assigned to Fabric A are pinned to FI-A. If FI-A fails, those vNICs lose connectivity unless failover is configured to Fabric B.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Traffic is lost until Fabric A is restored
Why this is correct
vNICs pinned to Fabric A cannot use Fabric B without configuration.
- ✗
Traffic is rerouted through the chassis IOM
Why it's wrong here
IOMs provide connectivity but do not reroute between fabrics without configuration.
- ✗
Traffic is load-balanced between both fabrics
Why it's wrong here
Load balancing is not automatic on failure.
- ✗
Traffic automatically fails over to Fabric B
Why it's wrong here
Automatic failover requires vNIC failover policy; not default.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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