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350-401 · Question #149

What are two device roles in Cisco SD-Access fabric? (Choose two.)

The correct answer is C. edge node E. border node. Cisco SD-Access Fabric Device Roles In Cisco SD-Access, the fabric consists of specific defined roles, and edge nodes (C) and border nodes (E) are two of the core fabric device roles. Edge nodes connect end devices (users, IoT, servers) to the SD-Access fabric and handle policy e

Submitted by fatema_kw· Mar 6, 2026Architecture

Question

What are two device roles in Cisco SD-Access fabric? (Choose two.)

Options

  • Acore switch
  • BvBond controller
  • Cedge node
  • Daccess switch
  • Eborder node

How the community answered

(51 responses)
  • A
    4% (2)
  • B
    2% (1)
  • C
    86% (44)
  • D
    8% (4)

Explanation

Cisco SD-Access Fabric Device Roles

In Cisco SD-Access, the fabric consists of specific defined roles, and edge nodes (C) and border nodes (E) are two of the core fabric device roles. Edge nodes connect end devices (users, IoT, servers) to the SD-Access fabric and handle policy enforcement at the access layer. Border nodes serve as the gateway between the SD-Access fabric and external networks (like the internet or traditional campus networks).

Why the distractors are wrong:

  • A (core switch) and D (access switch) are traditional campus network terms - SD-Access replaces these legacy concepts with fabric-specific roles (edge, border, control plane, intermediate nodes).
  • B (vBond controller) belongs to SD-WAN (Cisco Viptela) architecture, not SD-Access; confusing these two Cisco SD solutions is a common trap on exams.

Memory Tip: Think of SD-Access fabric roles using the phrase "BEIC" - Border, Edge, Intermediate, and Control Plane nodes. If a term sounds like it belongs to traditional switching (core/access) or SD-WAN (vBond), it's a distractor for SD-Access fabric questions.

Topics

#SD-Access#Fabric roles#Border node#Edge node

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