Juniper Exam JN0-664 Topic 1 Question 40 Discussion

Actual exam question for Juniper's JN0-664 exam

Question #: 40
Topic #: 1

[All JN0-664 Questions]

Which three mechanisms are used by Junos platforms to evaluate incoming traffic for CoS purposes? (Choose three )

Arewrite rules

Bbehavior aggregate classifiers

Ctraffic shapers

Dfixed classifiers

Emultifield classifiers

Show Suggested Answer

Suggested Answer: B, D, E

Junos platforms use different mechanisms to evaluate incoming traffic for CoS purposes, such as:

Behavior aggregate classifiers: These classifiers use a single field in a packet header to classify traffic into different forwarding classes and loss priorities based on predefined or user-defined values.

Fixed classifiers: These classifiers use a fixed field in a packet header to classify traffic into different forwarding classes and loss priorities based on predefined values.

Multifield classifiers: These classifiers use multiple fields in a packet header to classify traffic into different forwarding classes and loss priorities based on user-defined values and filters.

Rewrite rules and traffic shapers are not used to evaluate incoming traffic for CoS purposes, but rather to modify or shape outgoing traffic based on CoS policies.

by Alona at Nov 14, 2024, 03:21 AM

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Twana

2 days ago

Ha, can you imagine if 'cat videos' was one of the options? That'd really test our understanding of Junos CoS mechanisms. Anyway, I'm confident B, D, and E are the right answers.

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Laurel

10 days ago

You know, if this was a Cisco exam, they'd probably throw in some crazy options like 'routing protocols' and 'packet encapsulation'. Glad Junos keeps it simple with B, D, and E.

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Lonny

13 days ago

I'm not sure about fixed classifiers. I think rewrite rules could also be one of the mechanisms used.

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30 days ago

Hmm, I think B, D, and E are the correct mechanisms. Rewrite rules are for modifying the packet headers, not evaluating the traffic.

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Geraldo

22 days ago

Rewrite rules are indeed for modifying packet headers, not for evaluating traffic.

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Marvel

24 days ago

I agree, B, D, and E are the correct mechanisms for evaluating incoming traffic.

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Louann

1 months ago

I think the three mechanisms are behavior aggregate classifiers, traffic shapers, and multifield classifiers.

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