第68題： （）is the technology that appears to emulate human performance typicaliy by learning,coming to its own conclusions, appearing to understand complex content, engaging in natural dialogs with people, enhancing human cognittive performance (also known as cognittive computing) or replacing people on execution ofnonroutine tasks.
A、Cloud service
B、Blockchain
C、Internet of things
D、Artificial intellingence
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第69題： （）is a decentralized, distributed and public digital ledger that is used to record transactions across many computers so that the record cannot be alterred retroactively without the alteration of all subsequent blocks and the collusion  of the network.
A、Cloud service
B、Blockchain
C、Internet of things
D、Artificial intellingence
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第70題： （） includes the processes required to ensure that the project includes all the work required , and only the work required , to compete the project successfully . Managing the project scope is primarily concerned with defining and controlling what is not included in the project.
A、Create scope
B、Project stakeholder management
C、Preject scope management
D、Project cost management
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第72題： （） The process of translating the quality mangement plan into executable quality activities that incorporate the organization's quality policies into the project.
A、Manage quality
B、Quality audit
C、Quality metrics
D、Quality improvement
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