正确答案:

题目：经营增值电信业务，业务覆盖范围在两个以上省、自治区、直辖市的，须经省、自治区、直辖市电信管理机构审查批准，取得《增值电信业务经营许可证》。（）

解析：×

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举一反三的答案和解析：

[单选题]下列选项中，关于程序设计语言描述错误的是:（ ）。

汇编语言就是机器语言，与

[多选题]TD一SCDMA网络中，会话类业务包括().

语音电话

视频电话

[单选题]现阶段我国本地网的结构为（）结构。

二级

[单选题]IP电话使用的压缩技术可以将语音信息压缩到（ ）以下。

10Kbit/s

[单选题]下列选项中，关于网上播放流媒体视频描述错误的是（ ）。

视频全部下载完才可以播放

[单选题]1.9GHz与2.6GHZ的无线信号在自由空间的传播损耗理论值约相差()dB

2.7

解析：参考A

[单选题]在分布式数据库系统中全局应用是指需要操作（ ）中的数据库的应用。

两个或两个以卜结点

[单选题]帧中继网中，交换单元—帧的信息长度比分组长度要长，预约的最大帧长度至少要达到()字节/帧，适合封装局域网的数据单元。

1600

[多选题]阅读以下短文，回答98-100题。 【IPv6 is not interoperable with IPv4，In essence.it establishes a parallel version of the Internet not directly accessible with IPv4 sofeware.This means softwate upgrades or translator facilities are necessary for networking devices that need to communicate on both networks.Most modern computer operating systems already support both versions of the Internet Protocal.Network infrastrutures，however，are still lagging in this development.Aside form the complex array of physical connections that make up its infrastrure，the Internet is facilitated by bi- or multi-lateral commercial contracts(e.g. pearing agreements)，and by technical spesifications or protocals that describe how to exchange data over the network.Indeed，the Internet is defined by its interconnections and routing policies.】 Based on the paragraph above， it is shown that in order to deploy IPv6 protocol on the Internet，（）has to be built. The network devices which need to communicate with both networks are required to have upgraded software or （）in the movement of IPv4 to IPv6 transition，（）are relatively slow in this event.

separated network

mobile network

radio network

IPv6 software B．translator facilities C．operating systems D．IPv4 software

解析：A,B,D