●某IP网络连接如下图所示,在这种配置下IP全局广播分组不能够通过的路径是__(61)__。
(61)A.计算机P和计算机Q之间的路径
B.计算机P和计算机S之间的路径
C.计算机Q和计算机R之间的路径
D.计算机S和计算机T之间的路径
●正确地描述了RADIUS协议的是:__(62)__。
(62)A.如果需要对用户的访问请求进行提问(Challenge),则网络访问服务器(NAS)对用户密码进行加密,并发送给RADIUS认证服务器
B.网络访问服务器(NAS)与RADIUS认证服务器之间通过UDP数据报交换请求/响应信息
C.在这种C/S协议中,服务器端是网络访问服务器(NAS),客户端是RADIUS认证服务器
D.通过RADIUS协议可以识别非法的用户,并记录闯入者的日期和时间
●正确地表现了CSMA/CD和令牌环两种局域网中线路利用率与平均传输延迟的关系的图是__(63)__。
●在层次化网络设计方案中,__(64)__是核心层的主要任务。
(64)A.高速数据转发
B.接入Internet
C.工作站接入网络
D.实现网络的访问策略控制
●“<title style="italic">science</title>”是XML中一个元素的定义,其中元素标记的属性值是__(65)__。
(65)A.title
B.style
C.italic
D.science
●SOX is an alternative__(66)__for XML.It is useful for reading and creating XML content in a__(67)__editor.It is then easily transformed into proper XML.SOX was created because developers can spend a great deal of time with raw XML.For many of us,the popular XML__(68)__have not reached a point where their tree views,tables and forms can completely substitute for the underlying__(69)__language.This is not surprising when one considers that developers still use a text view,albeit enhanced,for editing other languages such as Java.SOX uses__(70)__to represent the structure of an XML document,which eliminates the need for closing tags and a number of quoting devices.The result is surprisingly clear.
(66)A.semantic
B.pragmatics
C.syntax
D.grammar
(67)A.graphic
B.program
C.command
D.text
(68)A.texts
B.editors
C.creators
D.tags
(69)A.programming
B.command
C.markup
D.interactive
(70)A.indenting
B.structure
C.framework
D.bracket
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