單項選擇題TD-LTE網(wǎng)絡(luò)在發(fā)展用戶時最可能采用的策略是()

A.要換卡、不登記、不換號
B.不換卡、不登記、不換號
C.要換卡、要登記、要換號
D.不換卡、要登記、要換號


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1.單項選擇題中國移動2013年4G網(wǎng)絡(luò)工程無線建設(shè)頻率規(guī)劃()。

A.F和E用于室外,D用于室內(nèi)
B.F和A用于室外,E用于室內(nèi)
C.F和D用于室外,E用于室內(nèi)
D.F和D用于室外,A用于室內(nèi)

3.單項選擇題The Uplink State Flag(USF) field is part of:()

A.MAC header
B.TLLI
C.RLC header

5.單項選擇題The SCTP layer in the C7 signalling protocol stack is responsible for which of the following:()

A. Establishing a signaling channel between two signaling entities in an ATM network
B. Provide reliable connection for signaling between two IP signaling nodes
C. Provide routing for IP signaling messages in an IP signaling network