Nokia 4A0-105 Exam - Topic 6 Question 61 Discussion

Actual exam question for Nokia's 4A0-105 exam

Question #: 61
Topic #: 6

Click on the exhibit below.

In the following diagram, traffic ingressing on SAP 1/2/3:1 will be passed to the layer-2 DPI device for inspection based on a filter policy applied to the ingress of the SAP. What feature should be enabled on SAP 1/2/1:100 and SAP 1/2/2:100 to ensure that incorrect information is not populated in the FDB of VPLS 1?

ALearning should be disabled on both SAPs connected to the DPI device to prevent FDB instability

BA MAC filter should be applied to both SAPs connected to the DPI to limit MAC learning on the port

CAn IP filter should be applied to both SAPs connected to the DPI to prevent FDB instability

DThe SAPs connected to the DPI should be configured with the 'discard-unknown' feature to limit MAC learning on the port

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Suggested Answer: A

by Arthur at Nov 17, 2022, 06:05 AM

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Ilda

4 months ago

Not sure if disabling learning is the best move.

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Destiny

4 months ago

Totally agree, FDB stability is crucial.

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Marguerita

4 months ago

Surprised that 'discard-unknown' isn't the first choice!

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Jess

4 months ago

I think a MAC filter is a better option here.

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Leoma

4 months ago

Learning should definitely be disabled on those SAPs.

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Jani

5 months ago

I think the 'discard-unknown' feature might be the right choice since it limits MAC learning, but I need to double-check my notes on that.

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Magnolia

5 months ago

I’m a bit confused about whether an IP filter would actually help with FDB issues. I thought it was more about MAC addresses in this context.

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Inocencia

5 months ago

This question feels similar to the practice ones we did about MAC learning and filters. I think applying a MAC filter could be a good option.

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Ivory

5 months ago

I remember we discussed how disabling learning on SAPs can help prevent FDB instability, but I'm not entirely sure if that's the best approach here.

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Emerson

5 months ago

Hmm, I'm not sure about Android - does Alibaba Cloud even have tools for that OS?

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Stefan

5 months ago

Okay, let me think this through. ActivcMatrix BusincssWorks is a business-focused platform, so the default HTTP server is likely a popular open-source option. I'll go with TOMCAT, option B.

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