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Question 189 - 300-420 discussion

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Refer to the exhibit.

The failover time of ISP-2 is significantly shorter than ISP-1 when an interface on the ISP router toward the campus network fails. Which solution minimizes the downtime to the sub-second?

A.

Aggressive timers

Answers
A.

Aggressive timers

B.

Next-hop address tracking

Answers
B.

Next-hop address tracking

C.

Graceful-restart

Answers
C.

Graceful-restart

D.

BFD

Answers
D.

BFD

Suggested answer: D

Explanation:

https://www.cisco.com/c/en/us/td/docs/ios/12_2sb/feature/guide/sbbnhop.html

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asked 07/10/2024
Arlind Tereziu
41 questions
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