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Exam 300-420 topic 1 question 351 discussion

Actual exam question from Cisco's 300-420
Question #: 351
Topic #: 1
[All 300-420 Questions]

What is the purpose of Cisco vBond as a Session Traversal Utilities for NAT server?

  • A. secure data traffic between Cisco Catalyst SD-WAN edge routers that use IPsec
  • B. integrate Cisco SD-Access Wireless into the fabric
  • C. allow Cisco Catalyst SD-WAN routers to locate their own mapped IP addresses
  • D. provide Zero-Touch Provisioning to Cisco Catalyst SD-WAN vEdge devices
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Suggested Answer: D 🗳️
by tossaway25 at Feb. 20, 2025, 2:11 a.m.

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tossaway25
2 days, 15 hours ago
Selected Answer: C
From the Cisco SD-WAN Solution Design Guide white paper: The SD-WAN Validator plays a crucial role and acts as a Session Traversal Utilities for NAT (STUN) server, which allows other control components and SD-WAN routers to discover their own mapped/translated IP addresses and port numbers. SD-WAN devices advertise this information along with their TLOCs so other SD-WAN devices have information in order to make successful connections.
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