考题
变量是一种局部量,变量可在以下哪些位置进行定义
A.process、architecture、entityB.process、function、procedureC.function、entity、packageD.entity、package、procedure
考题
●在Internet上用TCP/IP播放视频,想用OSI模型Transport层的最快协议,以保证没有延迟,要使用 (29) 。(29) A.UDP协议的低开销特性B.TCP协议的高开销特性C.UDP协议的高开销特性D.TCP协议的低开销特性
考题
在Mac OS X中正确安装的字体可以出现在下面所有的目录中,除了()之外。
A./系统/库/字体(/system/library/fonts)B./库/字体(/library/fonts)C./用户/库/字体(/user/library/fonts)D./应用程序/库/字体(/application/library/fonts)
考题
AWebservicereturnsalistofsystemusersinthefollowingformat.Youneedtopopulateadrop-downmenuwiththeIDsandnamesoftheusersfromtheWebservice,intheorderprovidedbytheservice.Whichcodesegmentshouldyouuse?()
A.$.ajax({type:GET,url:serviceURL,success:function(xml){$.each($(xml),function(i,item){$().attr(value,id).text(tx).appendTo(#dropdown);});}});B.$.ajax({type:GET,url:serviceURL,success:function(xml){$(xml).find(user).each(function(){varid=$(this).id;vartx=$(this).name.text$().attr(value,id).text(tx).appendTo(#dropdown);});}});C.$.ajax({type:GET,url:serviceURL,success:function(xml){$(xml).find(user).each(function(){varid=$(this).attr(id);vartx=$(this).find(name).text();$().attr(value,id).text(tx).appendTo(#dropdown);});}});D.$.ajax({type:GET,url:serviceURL,success:function(xml){xml.find(user).each(function(node){varid=$(node).attr(id);vartx=$(node).find(name).text();$().attr(value,id).text(tx).appendTo(#dropdown);});}});
考题
主动方式FTP服务器要使用的端口包括()。A.TCP21TCP20B.TCP21TCP大于1024的端口C.TCP20、TCP大于1024端口D.都不对
考题
在Internet上用TCP/IP播放视频,想用OSI模型Transport层的最快协议,以保证没有延迟,要使用(55)。A.UDP协议的低开销特性B.TCP协议的高开销特性C.UDP协议的高开销特性D.TCP协议的低开销特性
考题
在Internet上用TCP/IP播放视频,想用OSI模型Transport层的最快协议,以保证没有延迟,要使用__(59)__。A.TCP协议的低开销特性B.UDP协议的低开销特性C.TCP协议的高开销特性D.UDP协议的高开销特性
考题
TCP/IP( )layer protocols provide services to the application( )running on a computer.The application layer does not define the application itself,but rather it defines( )that applications need--like the ability to transfer a file in the case of HTTP.In short,the application layer provides an( )between software running on a computer and the network itself.The TCP/IP application layer includes a relatively large number of protocols,with HTTP being only one of those.The TCP/IP(请作答此空)layer consists of two main protocol options--the Transmission Control Protocol(TCP)and the User Datagram Protocol(UDP).A.application
B.session
C.physical
D.transport
考题
TCP/IP ( )layer protocols provide services to the application( )running on a computer. The application layer does not define the application itself, but rather it defines( )that applications need--like the ability to transfer a file in the case of HTTP. In short, the application layer provides an( )between software running on a computer and the network itself. The TCP/IP application layer includes a relatively large number of protocols, with HTTP being only one of those. The TCP/IP(请作答此空)layer consists of two main protocol options--the Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP).
A.application
B.session
C.physical
D.transport
考题
下列属于工具TCP定义方法的是()A.TCP和Z,XB.TCP和Y,XC.TCP和Z,YD.TCP和Z