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Exam 300-420 All Questions

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Exam 300-420 topic 1 question 70 discussion

Actual exam question from Cisco's 300-420
Question #: 70
Topic #: 1
[All 300-420 Questions]


Refer to the exhibit. The distribution switches serve as the Layer 3 boundary. HSRP preemption is enabled. When the primary switch comes back after a failure, traffic is initially dropped. Which solution must be implemented to improve the design?

  • A. Increase the hello timers on both HSRP devices.
  • B. Use the preempt delay feature on the backup HSRP device.
  • C. Use the preempt delay feature on the primary HSRP device.
  • D. Configure a higher mac-refresh interval on both HSRP devices.
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Suggested Answer: C 🗳️

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DOSKIM
1 year, 1 month ago
B.should be on Backup router
upvoted 1 times
DOSKIM
1 year, 1 month ago
Sorry it is C. we will delayed active router to become active again for specific amount of delay that we configured so that there could be IGP running on it it will form their adjacency before becoming active and run will properly before taking over everything.
upvoted 2 times
Emily23
10 months, 3 weeks ago
What you are saying makes no sense. HSRP is used on L2 links, STP is involved. You use preempt delay in order to align with the STP topology. IGP is L3 access.
upvoted 1 times
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funkeymonkey
1 year, 9 months ago
Selected Answer: C
primary preempting prematurely
upvoted 1 times
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