NSA移动性存在以下哪些场景( )
AeNB/gNB to Master Node change
Bsecondary Node Change (MN/SN initiated)
CMaster Node to eNB/gNB Change
DInter-Master Node handover with/without Secondary Node change
AeNB/gNB to Master Node change
Bsecondary Node Change (MN/SN initiated)
CMaster Node to eNB/gNB Change
DInter-Master Node handover with/without Secondary Node change