A. topology
B.protocol
C.service
D.peer
[单选题]N-S diagram can used to substitute conventional program flow Chart.In the following phrases,Which does not belong to the basic control structures that contain?A.sequence structureB.condition StructureC.selection structureD.execution structure
[单选题]H.-live-n-one virus in the passage means ______.A. farm birdsB. infected farm animalsC. people died in Hong KongD. a different kind of bird flu virus
[单选题]( ) Development is a structured design methodology that proceeds in asequen
[单选题]A leveraged buyout firm that carries out a secondary sale has:A.Offered add
计算机网络的体系结构就是指计算机网络的各层及其协议的集合,或计算机网络及其部件所应完成的功能。计算机网络的体系结构存在的目的就是使不同计算机厂家的计算机能够相互通信,以便在更大的范围内建立计算机网络。 国际标准化组织ISO于1983年正式提出了一个七层模型,叫做开放式系统互联模型(通称ISO/OSI)。[1]OSI模型将整个网络通信的功能划分为7个层次,由底层到高层分别是物理层、链路层、网络层、传输层、会话层、表示层和应用层。每层完成一定的功能,都直接为其上层提供服务,并且所有层次都互相支持。第4层到第
[单选题]( ) constitutes the principal mode of internationaltransport and carries ab
[单选题]( ) constitutes the principal mode of internationaltransport and carries ab
[主观题]Themachinelookedlikealarge,,old-fashionedtypewriter.A)clumsyB)trickyC)forcefulD)intense
[试题]Themachinelookedlikealarge,___,old-fashionedtypewriter.A.)forcefulB)clumsyC)intenseD)tricky
[试题]Themachinelookedlikealarge,___,old-fashionedtypewriter.A)forcefulB)clumsyC)intenseD)tricky