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Question 15 - 4A0-115 discussion

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Which of the following statements does NOT describe the operation of the Layer-3 EVPN asymmetric forwarding model?

A.
All VPLS instances must be configured on all PES regardless of whether they have a local host or not.
Answers
A.
All VPLS instances must be configured on all PES regardless of whether they have a local host or not.
B.
EVPN IP-Prefix routes are used to populate the VPRN VRF tables.
Answers
B.
EVPN IP-Prefix routes are used to populate the VPRN VRF tables.
C.
The egress PE does not perform any Layer-3 route look up to forward traffic.
Answers
C.
The egress PE does not perform any Layer-3 route look up to forward traffic.
D.
The ingress PE performs both Layer-2 and Layer-3 look ups when forwarding traffic between subnets.
Answers
D.
The ingress PE performs both Layer-2 and Layer-3 look ups when forwarding traffic between subnets.
Suggested answer: A

Explanation:

All VPLS instances do not need to be configured on all PEs regardless of whether they have a local host or not. Only the VPRN instance needs to be configured on all PEs, while the VPLS instances are configured only on PEs that have a local host attached to them.

asked 23/09/2024
Rio Ordonez
51 questions
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