单项选择题
A.WLAN B.CDMA800/CDMA2000 C.GSM900/DCS1800 D.PHS
A.eNodeB B.PDN-GW C.SGW D.MME
A.172.168.10.53 B.192.167.10.53 C.192.168.45.34 D.172.27.10.53
A.80,320M B.60,450M C.40,200M D.60,320M
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