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更多“5G无线侧技术的3GPP协议主要在（）系列。”相关的问题
第5题
在3GPP协议中，PDF和GGSN之间的接口采用的是什么协议（)。A.SIPB.COPSC.248D.Diameter
在3GPP协议中，PDF和GGSN之间的接口采用的是什么协议()。
A.SIP
B.COPS
C.248
D.Diameter
第6题
汽车前轮定位，包括（)、前轮前束、主销后倾和主销内倾，是评价汽车前轮保持直线行驶稳定性、前轴和（)的重要诊断参数。
A.前轮外倾、转向系技术状况
B.主销前倾、转向稳定性参数
C.主销前束、转向稳定性参数
D.前轮内倾、转向系技术状况
第7题
【With the 4G telecommunications systems now starting to be deployed,people are looking tow
ards the development of 5th generation or 5G technology services.Although the deployment of any wireless or cellular system take years,development of the 5G technology systems is being investigated.The new 5G technologies will need to be chosen developed and perfected to enable timely and reliable deployment. The new 5th generation,5G technology for cellular systems will probably start to come to fruition around 2020. The current status of the 5G technology for cellular systems is very much in the early development stages.Many companies are looking into the technologies that could be used to become part of the system.In addition to this,a number of universities have set up 5G research units focused on developing the technologies for 5G. In addition, the standards bodies,particularly 3GPP are aware of the development but are not actively planing the 5G systems yet.Many of the technologies to be used for 5G will start to appear in the systems used for 4G and then as the new 5G cellular system starts to formulate in a more concrete manner,they will be incorporated into the new 5G cellular system. The major issue with 5G technology is that there is such an enormously wide variation in the requirements:super fast downloads to small data requirements for IoT than any one system will not be able to meet these needs.Accordingly a layer approach is likely to be adopted.As one commentator stated:5G is not just a mobile technology.It is ubiquitous access to high & low data rate services.】 Based on the paragraph above,at present,5G technology for cellular systems （）, many of the technologies to be used for 5G （） in the systems used for 4G,the major issue facing with 5G technology is （）.
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A．has matured B．has setup its standards C．is very much in the early development stages D．is in use A．is being developed B．already appeared C．will not appear D．will start to appear A．super fast downloads B．small data requirements for IoT C．4G system has already satisfied these needs D．an enormously wide variation in the requirements
第9题
IMS（IP多媒体子系统）是3GPP在R5版本提出的3G网络（1）层核心技术，它实现了应用、控制、（2）三者相分离
，支持移动，固定终端自由接入，IMS系统中采用（3）协议实现会话控制功能。引入（4）用于用户数据存储、认证，鉴权和寻址。为实现网间互通，对于电路交换网，如PSTN和PLMN，IMS通过（5）、SGW、MGCF、BGCF等功能实体完成互通。对于分组数据网，则是通过边界网关于BG和（6）完成互通。
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第11题
NAS的硬件组件包括()
A.存储部分，此功能模块提供了真正的物理存储空间，主要技术和协议包括RAID、SCSI、 SAS、FC。
B. 控制器部分，主要指NAS机头部分，这部分提供了NAS底层所使用的文件系统，以及 承载文件系统、各种前端协议的操作系统。
C. 网络部分，主要提供了和用户交互的网络协议，主要包括NFS、CIFS、FTP和HTTP等， 用户最终通过这些协议访问存储空间
D. 心跳部分，主要是提供了集群节点之间的心跳连接
