350-501 MPLS and Segment Routing Practice Question
In EVPN-VPWS, which identifier is used to uniquely identify an Ethernet Segment for multi-homing?
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
✓
ESI
The Ethernet Segment Identifier (ESI) uniquely identifies an Ethernet segment that is multi-homed to two or more PEs.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Route Distinguisher
Why it's wrong here
RD identifies a VPN.
- ✗
EVI
Why it's wrong here
EVI identifies the EVPN instance.
- ✗
MAC address
Why it's wrong here
MAC address identifies a host.
- ✓
ESI
Why this is correct
ESI identifies the Ethernet segment.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-501 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 350-501 exam.