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专业技术中级资格中级资格网络工程师基础知识全国计算机技术与软件专业技术资格(水平)考试&2006年上半年 网络工程师 上午试卷

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  • 51● 802.11g工作在全球通用的 (62) ISM频段,最高数据速率可达 (63) 。

    A.1GHz

    B.2.4GHz

    C.5GHz

    D.10GHz

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  • 52● 我国自行研制的移动通信3G标准是 (64) 。

    A.TD-SCDMA

    B.WCDMA

    C.CDMA2000

    D.GPRS

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  • 53● “<title style=”italic”>science</title>”是一个XML元素的定义,其中元素标记的属性值是 (65) 。

    A.title

    B.style

    C.italic

    D.science

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  • 54● Originally introduced by Netscape Communications,  (66) are a general mechanism which HTTP Server side applications, such as CGI (67) , can use to both store and retrieve information on the HTTP (68) side of the connection. Basically, Cookies can be used to compensate for the  (69) nature of HTTP. The addition of a sample, persistent, client-side state significantly extends the capabilities of WWW-based (70) .

    A.Browsers

    B.Cookies

    C.Connections

    D.Scripts

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  • 55● WebSQL is a SQL-like (71) language for extracting information from the web. Its capabilities for performing navigation of web  (72) make it a useful tool for automating several web-related tasks that require the systematic processing of either all the links in a  (73) , all the pages that can be reached from a given URL through (74) that match a pattern, or a combination of both. WebSQL also provides transparent access to index servers that can be queried via the Common (75) Interface.

    A.query

    B.transaction

    C.communication

    D.programming

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