350-601 Network Practice Question
A data center network uses VXLAN EVPN for network virtualization. Which component is responsible for advertising MAC addresses and host routes across the fabric?
⚠ Common exam trap
Cisco often tests the distinction between the data-plane function (VTEP encapsulation) and the control-plane function (MP-BGP EVPN), so the trap here is that candidates mistakenly think the VTEP itself advertises MAC addresses, when in fact it relies on MP-BGP EVPN for that role.
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
✓
MP-BGP EVPN address family.
In a VXLAN EVPN fabric, the MP-BGP EVPN address family (AFI L2VPN / SAFI EVPN) is the control plane protocol that distributes MAC addresses, IP-to-MAC bindings, and host routes (Type-2 routes) across all VTEPs. This enables each VTEP to build its forwarding table dynamically without relying on data-plane learning or flooding, ensuring optimal east-west traffic forwarding.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Static routing.
Why it's wrong here
Static routing is not used for MAC advertisement.
- ✓
MP-BGP EVPN address family.
Why this is correct
MP-BGP EVPN is the control plane for VXLAN EVPN.
- ✗
OSPF.
Why it's wrong here
OSPF is used for underlay routing, not overlay MAC advertisement.
- ✗
VXLAN VTEP.
Why it's wrong here
VTEP is the tunnel endpoint, not the protocol to advertise MACs.
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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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-601 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 350-601 exam.