350-501 MPLS and Segment Routing Practice Question
In EVPN-VPWS, which component is used to identify a multi-homed Ethernet segment and enable load balancing and fast convergence?
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
✓
Ethernet Segment Identifier (ESI)
The Ethernet Segment Identifier (ESI) is a unique identifier for an Ethernet segment that is multi-homed to two or more PEs. ESI is used for DF election and aliasing.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Ethernet Tag ID
Why it's wrong here
Identifies a broadcast domain.
- ✗
MAC address
Why it's wrong here
Not for segment identification.
- ✗
EVPN Route Target
Why it's wrong here
Controls route import.
- ✓
Ethernet Segment Identifier (ESI)
Why this is correct
Correct.
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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.