单项选择题
A.5 B.2 C.3 D.4
USF is sent in the()blocks。A.uplinkB.downlinkC.bothD.no...
单项选择题USF is sent in the()blocks。
A.uplink B.downlink C.both D.none of above
In BSS, the relay function relays()between Um and Gb in...
单项选择题In BSS, the relay function relays()between Um and Gb interfaces。
A.SNDCP PDU B.GTP PDU C.LLC PDU D.PDP PDU
以下哪种接口不属于SGSN的()。A.GBB.GNC.GSD.GI
单项选择题以下哪种接口不属于SGSN的()。
A.GB B.GN C.GS D.GI