350-501 MPLS and Segment Routing Practice Question
Which THREE are mechanisms used in EVPN to support multi-homing and load balancing? (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
✓
Aliasing
ESI identifies the segment, DF election avoids duplicates, and aliasing allows traffic to be forwarded to any PE in the multi-homing group.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Aliasing
Why this is correct
Allows load balancing to any PE in the ES.
- ✓
Ethernet Segment Identifier (ESI)
Why this is correct
Uniquely identifies the multihomed segment.
- ✗
Spanning Tree Protocol (STP)
Why it's wrong here
STP is not used in EVPN multi-homing.
- ✓
Designated Forwarder (DF) election
Why this is correct
Elected to forward BUM traffic.
- ✗
Virtual Router Redundancy Protocol (VRRP)
Why it's wrong here
Not used for EVPN multi-homing.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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