正确答案: D

客观规律

题目：探索就是人们认识、掌握、利用（ ）的方法和过程。

解析：D

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举一反三的答案和解析：

[多选题]23G重选广播消息是下列的哪些广播包()

SIB11

SIB12

解析：C, D

[单选题]NGN的核心技术仍然是分组话音及其（）。

服务质量

[单选题]通信网中，（ ）传输媒质不适合于局间通信。

双绞线

[单选题]电信条例规定，电信业务经营者接受用户申请并收取相关费用后，由于经营者自身的原因，逾期未能安装电信终端设备并开通的，应当（ ）。

向用户支付违约金

[单选题]综合业务数字网用户部分用()表示.

ISUP

[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]智能网一般由（）、智能外设、业务生成环境等几个部分组成。

业务交换点

业务控制点

业务数据点

业务管理系统

解析：ABCD