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Cisco Designing Cisco Enterprise Networks (ENSLD) 300-420 Question # 42 Topic 2 Discussion

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Cisco Designing Cisco Enterprise Networks (ENSLD) 300-420 Question # 42 Topic 2 Discussion

300-420 Exam Topic 2 Question 42 Discussion:
Question #: 42
Topic #: 2

How is sub-second failure of a transport link detected in a Cisco SD-WAN network?
A.

Hellos are sent between the WAN Edge routers and the vSmart controller.

B.

BFD runs on the IPsec tunnels between WAN Edge routers.

C.

BGP is used between WAN Edge routers and the vSmart controller.

D.

Link state change messages are sent between vSmart controllers.

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Actual exam question for Cisco 300-420 exam by Nova1057 at Aug 2, 2025, 12:00:00 AM

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