前段时间在平板电视销售大战中提的最多的话题就是“高清”，由于国家关于高清的标准没有出台，不少企业将自己的产品冠上了“高清”的名号，以此来达到糊弄消费者占领市场份额的目的。为此围绕“高清”话题一直争论不休，现在终于有了结果。4月3日，信息产业部公布了数字电视相关的25项电子行业标准，其中包括了液晶、等离子、液晶背投

11. Which statements about inheritance are true? A. In Java programming language only allows single inheritance. B. In Java programming language allows a class to implement only one interface.C. In Java programming language a class cannot extend a class and implement a interface together

Certification Levels For SUN/LSP engineer:The certification program under Sun SQI currently consists of 5 skills levels, with exams from level 2 onwards :PE1 = Products covered are Sun Tools. No ExamPE2 = Products covered are Solaris System Administration, Desktop, Enterprise Sun F

微软公司在今年10月份前进行了MCSE2003核心考试70293和70294的实验题型的beta测试，据统计这种考试题型是今年开始陆续地出现在MCSE2003的核心科目中。70293 Planning and Maintaining a Windows Server 2003 Network Infrastructure70294 Planning, Implementing, and Maintaining a Windows Server 2003 A

试验目的：登录路由器的时候，需要输入你自己的用户名和密码，通过radius验证通过之后，再允许登录路由器。配置文件如下，每个路由器都一样的配置R2503enPassword:R2503#sh runBuilding configuration...Current configuration:!version 12.0service timestamps debug