ATTACHREQUEST/ATTACHACCEPT包含于哪条空口RRC消息内
A.RRCCONNECTIONSETUP/RRCCONNECTIONSETUPCOMPELTE
B.RRCCONNECTIONSETUPCOMPELTE/RRCCONNECTIONRECONFIGURATION
C.RRCCONNECTIONREQUEST/RRCCONNECTIONSETUP
D.RRCCONNECTIONRECONFIGURATION/RRCCONNECTIONSETUPRECONFIGURATIONCOMPELTE
正确答案是B