●计算机的发展已进入了网络计算的新时代。Internet是目前世界范围内最大的互联网。如此多的各种计算机之所以能通过Internet相互通信，是因为它们遵循了一套共同的Internet协议。这套协议的核心是 (61) ，在其上建立的无连接的运输层协议是 (62) ，万维网WWW上超文本传输遵循 (63) ，电子邮件传输遵循 (64) ，Ethernet与Internet连接时要用到 (65) 。

●A basic premise of OGSA is that everything is (66) by a service：a network enabledentity that (67) some capability through the exchange of messages.Computational resources，storage resources，networks，programs，databases，and so forth are all (68) .This adoption of auniform. service-oriented model means that all components of the environment are virtual.Morespecifically，OGSA represents everything as a Grid service：a Web service that conforms (69) a set of conventions and supports standard interfaces for such purposes as lifetime management.This core set of consistent interfaces，from which all Grid services are implemente

●(71)data effectively is crucial for success in today's competitive environment Managers must know how to use a variety of tools Integrated data takes information from different sources and puts it together in a meaningful and useful way One of the difficulties of this is the(72)in hardware and software(73)integration uses a base document that contains copies of other objects(74)integration uses a base document that contains the current or most recent version of the source document it contains

● 试题一

● 试题三

● 试题四