【多选题】DiffServ模型由下列哪些组件构成()。
A.
DS域(Differentiated Service Domain)
B.
DS边界节点(DS Boundar Nodes)
C.
DS内部节点(DS Interior Nodes)
F.
DS区(Differentiated Service Region)
【多选题】按消费者购买习惯不同,可将生活消费品分为( )
【多选题】按消费者购买习惯消费品可以分为以下三类:
【单选题】Which is not a 2-dimensional imperfection?
【判断题】第五章 如果获取最理想的审计证据需花费高昂的审计成本,则可以转而收集质量稍逊的其他证据予以替代,只要它仍能满足审计目的的要求。
【判断题】心力衰竭的患者,在体力活动时发生呼吸困难,称为劳力性呼吸困难。
【多选题】按消费者购买习惯和行为分类,消费品可分为( )等。
【简答题】George was very (help) ______, we could not do the job without him.
【单选题】George Strong was a very creative engineer.