What is the interface between ePDG (Evolved Packet Data Gateway) PDN – McqOptions

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1.	What is the interface between ePDG (Evolved Packet Data Gateway) PDN -G (Packet Data Network Gateway) in the GAN architecture?
A.	S2a
B.	S2b
C.	SWu
D.	SWm
Answer» C. SWu

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