Payload traffic is transported across the GPRS network encapsulated in（）。

单项选择题In a cell with no MPDCH, the GPRS traffic associated singnaling is transmitted on（）。

A.BCCH
B.PCH
C.PDCH
D.CCCH

单项选择题The GPRS physical channels is called （）。

A.PDCH（Packet Date Channel）
B.PTCH（Packet Traffic Channel）
C.PHCH（Physical Channel）
D.GPCH（GPRS Physical Channel）

单项选择题Each radio block is sent in （）consecutive bursts on one time slot。

A.5
B.2
C.3
D.4

单项选择题USF is sent in the（）blocks。

A.uplink
B.downlink
C.both
D.none of above

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