正确答案: A
一个
题目:在独立地址情况下,局域网的服务器与路由器相连,路由器通过X.25网或DDN专线等与Internet上的主机相连除服务器和路由器各需要一个IP地址外,每个工作站均需要()独立的IP地址
解析:A
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举一反三的答案和解析:
[多选题]大数据的来源包括()
告警数据
测试数据
性能数据
解析:参考答案BCD
[单选题]从移动通信的全网故障的情况来看,主要集中在()和移动网户终端两个环节上。
基站
[单选题]在帧中继网络中,信息是以()为单位进行传输和交换的。
帧
[多选题]铅酸蓄电池极板硫化的主要原因是()。
过量放电
极板露出液面
电解液含杂质
充电不足
解析:ABCD
[单选题]关于ATM网络SVC业务描述正确的是()
在该业务模式下,每次通信都需要进行连接建立、信息传输和连接拆除
[单选题]下列对ATM特点叙述错误的是().
ATM信元的信头功能复杂
[多选题]【Recently, telecommunication carriers has been building All-IP core networks in order to effectively support various kinds of fixed and mobile broadband services,such as up-and down-loading You tube and SNS(Social Networking Services)with rich video file,as well as broadband mobile Internet services. Such All-IP network is called NGN(Next Generation Network),which guarantees secure authentication and QoS such as the bandwidth and the delay. From the service point of view,convergence of fixed and mobile communications,known as FMC(Fixed Mobile Convergence)is becoming a key increasing new services and expanding the market.】 Form the paragraph above,we can see that()can be defined as a network that can effectively support various kinds of fixed and mobile broadband services,with guaranteed QoS in terms of()and etc. And the key to develop new services and gain larger market share should be()
NGN
social network A.data rate
availability
band width, delay A.mobile communications
All-IP core network
解析:C,D,D
[单选题]调动电话业务是在规定范围内,供某系统或某单位内部专用的( ),主要用于生产指挥调度和工作联系。
无线电话系统