Exam JN0-647 topic 1 question 16 discussion

Actual exam question from Juniper's JN0-647

Question #: 16
Topic #: 1

Click the Exhibit.

A customer is concerned that the route damping policy on routes with prefixes greater than/17 is allowing too many flaps to occur. The customer does not want to change the default timer.
Referring to the exhibit, which two actions would allow fewer flaps per route? (Choose two.)

A. Increase the suppress parameter to 3500.
B. Increase the suppress parameter to 2000.
C. Increase the half-life parameter to 45.
D. Increase the half-life parameter to 15.

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Suggested Answer: AC 🗳️

by ketpie at April 9, 2019, 5:48 p.m.

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Zeke9

4 years, 3 months ago

https://www.juniper.net/documentation//en_US/junos/topics/usage-guidelines/policy-using-routing-policies-to-damp-bgp-route-flapping.html

upvoted 1 times

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LLwu

5 years ago

Should be BC, aggressive requires lower suppress value (easy to hit threshold), longer half-time (take more time to reuse the prefix).

upvoted 4 times

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ketpie

5 years, 8 months ago

AC correct half-life minutes Decay half-life—Number of minutes after which an arbitrary value is halved if a route stays stable. 15 (minutes) 1 through 45 max-suppress minutes Maximum hold-down time for a route, in minutes. 60 (minutes) 1 through 720 reuse Reuse threshold—Arbitrary value below which a suppressed route can be used again. 750 1 through 20,000 suppress Cutoff (suppression) threshold—Arbitrary value above which a route can no longer be used or included in advertisements. 3000 1 through 20,000

upvoted 3 times

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Exam JN0-647 topic 1 question 16 discussion

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Zeke9

LLwu

ketpie

SY0-701