正确答案: ABCD
电话用户部分 数据用户部分 综合业务数字网用户部分 信令连接控制部分
题目:目前ITU-T建议使用的用户部分主要有()。
解析:ABCD
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举一反三的答案和解析:
[多选题]在通信专业中,TDM的英文全称是(),“基带”英文通常翻译为()。
Transmission
Time
解析:C,B
[单选题]智能网利用()支持交换层与业务控制层之间的消息传递。
No.7信令
[单选题]当前我国中央层面的电信主管部门是( )。[1分]
工业和信息化部
[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
[多选题]中国电信固定资产是指()。
指使用期限超过一年的通信电子设备、动力空调、通用设备、运输设备、房屋建筑物及土地以及其它与生产经营有关的主要设备、工具、器具等
不属于生产经营主要设备的物品,单位价值在2000元以上,并且使用期限超过两年的,也作为固定资产管理
解析:A, B