问题：
[单选题] （ ）is a process that consumers go through to purchase products or services over the Internet.
A、E- learningB、E-governmentC、Online analysisD、Online shopping问题：
[单选题] （ ）is a professional organization of individuals in multiple professions which focuses on effort on
A、ISOB、ANSIC、CCITTD、IEEE问题：
[单选题] （ ）is an intermediate repository of data.A.Universal Serial Bus
A、BufferB、DatC、recordD、Database问题：
[单选题] （ ）is aproject mangement technique for measuring project performance and proress.it has the ability
A、Critica path method（CPM）B、Earned value mangagemengt（EVM）C、Net present value method（NPVM）D、Expert judgment method（EJM）问题：
[单选题] （ ）is one of the tools and techniques.A.Decomposition
A、Fish bone DiagramB、Precedence Diagramming MethoC、of Sequence ActivitiesD、Expert Judgment问题：
[单选题] （ ）is responsible for the attraction，selection，training，assessment，and rewarding of employees，while
A、StrategiB、analysisC、Team managementD、RACI问题：
[单选题] （ ）is the popular backbone technology for transmitting information at highspeed with a high level of
A、X.25B、ATMC、FDDID、DQDB问题：
[单选题] （ ）is the popular LAN developed under the direction of the IEEE 802.5.（ ）is the popular backbone tec
A、Ethernet,FDDIB、Token Bus,EthernetC、Token Ring，FDDID、DQDB,QinQ问题：
[单选题] （ ）is the process of documenting. Analyzing，tracing，prioritizing and agreeing on requirements and th
A、Integrated managementB、Configuration managementC、Scope managementD、Requirements management问题：
[单选题] （ ）It is the WAN transmission technology after IP technology. It uses data label to guide data packe
A、FTPB、MPLSC、TCP/IPD、ATM问题：
[单选题] （ ）makes computers able to do jobs which till now, only human brains can do.
A、Artificial intelligenceB、Big dataC、Cloud computingD、Internet of things问题：
[单选题] （ ）promies to streamline the on-demind provisioning of software，hardware，and data as a service，chiev
A、Big data B、Cloud ccmpitingC、InternetD、CPS问题：
[单选题] （ ）refers to the range of computer hardware and OS platforms on which the source code of a program c
A、UsabilityB、PortabilityC、ReliabilityD、Maintainability问题：
