A.serious O&M defficiency B.short outage,24小时内出现2分钟以上的
单项选择题On which Network Elements are firewalls typically connected in LTE?()
A.MME and PGW. B.OSS and VAS. C.SGW and PGW. D.OSS and DPI.
单项选择题带宽配置的scope是()
A.PLMN B.TA C.MME D.eNodeB
单项选择题哪个不是operater面临的挑战?()
A.cheap flat rate B.high date rate service C.short latency D.voice service in LTE
单项选择题PCS-5000的实现了()功能。
A.DNS B.PCRF C.NAS
单项选择题Preamble 随机接入的目的是什么?()
A、TAU B、HANDOVER C、建立RRC消息