IMT定义的UMTS网络，属于下列哪个3G标准？（)

A.TIA

B.CATT

C.ETST

D.ITU

A.CATT

B.TIA

C.ETSI

D.ITU

A.153.6Kbps

B.144Kbps

C.2Mbps

D.384Kbps

A.IMT2020

B.IMT2000

C.UMTS

D.NFV

A.UMTS内部所有语音呼叫

B.数据连接和交换

C.与外部其它网络的连接

D.与无线有关的功能

A.GSMMAP

B.WAP

C.GPRS

D.ANC

A.GSM MAP

B.WAP

C.GPRS

D.ANC

A.GSM网络的鉴权参数为二元组，UMTS网络的参数为五元组

B.GSM网络的鉴权参数为二元组，UMTS网络的参数为三元组

C.GSM网络的鉴权参数为三元组，UMTS网络的参数为四元组

D.GSM网络的鉴权参数为三元组，UMTS网络的参数为五元组

A.的标准

B.CWTS

C.TIA

D.3GPP

B.Separate User Plane and Control Plane

C.TDM based connections in the core replaced with packet based backbone(ATM or IP)

D.MGW is a part of 3G MSS