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Question 3 - 300-515 discussion
Which two statements describe primary differences between MPLS Layer 2 and Layer 3 VPNs?
(Choose two.)
A.
Layer 2 VPNs use IPsec tunneling, but Layer 3 VPNs use L2TPv3 tunneling.
B.
Layer 2 VPNs use AToM, but Layer 3 VPNs use MPLS/BGP.
C.
Layer 2 VPNs use BGP, but Layer 3 VPNs use VPLS.
D.
Layer 2 VPNs use L2TPv3 tunneling, but Layer 3 VPNs use GRE tunneling.
E.
Layer 2 VPNs use IPsec tunneling, but Layer 3 VPNs use pseudowires to provide tunneling.
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