350-501 Architecture Practice Question
In the context of EVPN, which BGP address family is used to advertise MAC/VPN routes between PE routers?
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
✓
EVPN (AFI 25, SAFI 70)
EVPN uses BGP EVPN address family (AFI 25, SAFI 70) to exchange MAC/VPN routes for L2 and L3 services.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
EVPN (AFI 25, SAFI 70)
Why this is correct
EVPN uses AFI 25 SAFI 70.
- ✗
IPv4 Unicast (AFI 1, SAFI 1)
Why it's wrong here
This carries IPv4 routes, not EVPN.
- ✗
L2VPN (AFI 25, SAFI 70)
Why it's wrong here
AFI 25 SAFI 70 is EVPN? Actually L2VPN AFI is 25 but SAFI 70 is EVPN.
- ✗
VPNv4 Unicast (AFI 1, SAFI 128)
Why it's wrong here
This is for MPLS L3VPN.
Quick reference
Access Control Model Comparison
| Model | Acronym | Who Controls Access? | Best For |
|---|---|---|---|
| Discretionary Access Control | DAC | Resource owner | Small teams, file shares |
| Mandatory Access Control | MAC | System / security labels | Classified govt / military |
| Role-Based Access Control | RBAC | Administrator (via roles) | Enterprise environments |
| Attribute-Based Access Control | ABAC | Policy engine (user + resource attributes) | Fine-grained, dynamic policies |
| Rule-Based Access Control | RuBAC | System rules / ACLs | Firewall rules, network ACLs |
Go deeper
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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.