Juniper Exam JN0-649 Topic 6 Question 61 Discussion

Actual exam question for Juniper's JN0-649 exam

Question #: 61
Topic #: 6

You want to provide Layer 2 connectivity between campus sites using Ethernet switches through a metro Ethernet service provider who is using Q-in-Q tagging on their network.

Referring to the exhibit, what are two design considerations in this environment? (Choose two.)

AVXLAN could be implemented on your network across this service provider network.

BEach campus switch shown must have a C-Tag 300 configured.

CL2PT is required on the SP network to support the spanning tree protocol.

DEach campus switch shown must have S-Tag 300 configured.

Show Suggested Answer

Suggested Answer: C, D

https://www.juniper.net/documentation/us/en/software/junos/multicast-l2/topics/ref/statement/layer2-protocol-tunneling-edit-vlans-l2pt-ex-series.html

by Darrel at Aug 16, 2025, 06:18 AM

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Dick

5 days ago

I remember something about Q-in-Q tagging, but I'm not sure if it's the C-Tag or S-Tag that needs to be configured on the switches.

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Jose

11 days ago

I'm not entirely sure about the VXLAN part. I'll need to review that and make sure I understand how it relates to the Q-in-Q environment.

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Cheryl

16 days ago

I'm feeling pretty confident about this one. The exhibit gives me a good visual to work with, and I know the design considerations around Q-in-Q tagging.

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