Exam JN0-648 topic 1 question 37 discussion

Actual exam question from Juniper's JN0-648

Question #: 37
Topic #: 1

A BA classifier, input policer, and a multifield classifier are applied to an interface.
In which order are these features processed?

A. policer ""> BA classifier ""> multifield classifier
B. policer ""> multifield classifier ""> BA classifier
C. multifield classifier ""> BA classifier ""> policer
D. BA classifier ""> multifield classifier ""> policer

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Suggested Answer: A 🗳️

by Mooshy at Oct. 9, 2020, 11:28 p.m.

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Gdjskiejdn

Highly Voted 4 years, 5 months ago

D indeed- https://www.juniper.net/documentation/en_US/junos/topics/reference/general/cos-component-packet-flow-security.html

upvoted 6 times

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Mooshy

Highly Voted 4 years, 6 months ago

It should be D

upvoted 5 times

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A because you can add policer directly on the interface instead of via FF... from doc: "Because of the order of policer and firewall operations, the input policer is executed before the input firewall filter." https://www.juniper.net/documentation/us/en/software/junos/routing-policy/topics/topic-map/policer-usage-multifield-classification.html

upvoted 2 times

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fernster

4 years, 5 months ago

definitely D

upvoted 4 times

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SB13

4 years, 6 months ago

D is correct

upvoted 4 times

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