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Exam 300-420 All Questions

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Exam 300-420 topic 1 question 52 discussion

Actual exam question from Cisco's 300-420
Question #: 52
Topic #: 1
[All 300-420 Questions]

What is the purpose of an edge node in an SD-Access network fabric?

  • A. Edge nodes identify and authenticate endpoints and register endpoint information with control plane nodes.
  • B. Edge nodes track endpoint IDs to location mappings, along with IPv4, IPv6, or MAC addresses.
  • C. Edge nodes are the gateway between the fabric domain and network outside of the fabric.
  • D. Edge nodes resolve lookup requests from edge and border nodes to locate destination endpoint IDs.
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Suggested Answer: A 🗳️

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Emily23
10 months, 3 weeks ago
(A) A fabric edge node provides onboarding and mobility services for wired users and devices (including fabric-enabled WLCs and APs) connected to the fabric. It is a LISP tunnel router (xTR) that also provides the anycast gateway, endpoint authentication, and assignment to overlay host pools (static or DHCP), as well as group-based policy enforcement (for traffic to fabric endpoints). ENCOR cert guide, chapter 22
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Sickcnt
1 year, 6 months ago
Selected Answer: A
Edge Node: "As soon as Endpoints gets connected to edge node, it gets added to Local tracking database often called as EID table of edge node. Now Edge node send the LISP MAP register message to inform control plane node about the endpoint so that control plane registers that EID in its HTDB." Source: https://www.dclessons.com/sd-access-solution-components
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