Senior management wants you to evaluate the risks to your network of offering VPWS, VPLS, GRE, or other tunneling services to your fiber-connected client base. Clients indicate that they prefer to use Layer 2 switches as CEs. Which two tunneling services expose your network to minimal risk and meet the clients’ needs, including separation between providers and customer networks? (Choose two.)

Senior management wants you to evaluate the risks to your network of offering VPWS, VPLS, GRE, or other tunneling services to your fiber-connected client base. Clients indicate that they prefer to use Layer 2 switches as CEs. Which two tunneling services expose your network to minimal risk and meet the clients’ needs, including separation between providers and customer networks? (Choose two.)
A . VPWS
B . 802.1Q
C . GRE
D . VPLS
E . QinQ

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Answer: AE