一台主机要解析WWW.abc.edu.cn的IP地址，如果这台主机配置的域名服务器为202.120.66.68，因特网顶级服务器为11.2.8.6，而存储www.abc.edu.cn与其IP地址对应关系的域名服务器为202.113.16.10，那么这台主机解析该域名通常首先查询______。

(88)

(87)

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(85)

An Intranet is (71) the application of Internet technology within an internal or closed user group．Internets are company and not do not have a (72) connection to the Internet．Usedproperly an Internet is highly effective corporate tool，capable of regularly (73) information toempower the workforce with the information needed to perform. their roles．Used in this Way，Internet represent a step towards the (74) office．

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(83)

(82)

在网络管理系统中，通常采用(52)模型。在网络管理的四要素中，(53)用于记录网络甲管理对象的信息；(54)用于在管理系统与管理对象之间传递操作命令。

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(79)