C、系统管理员可以兼任数据库管理员

D、关键岗位人员处理重要事务或操作时，应保持二人同时在场

JRS直播参考答案：C

71、Big data can be described by four characteristics: Volume,Variety, locity and Veracity.（）refers to the quantity of generated and stored date.  

A、Volume

B、Variety

C、Velocity

D、Veracity

JRS直播参考答案：A

最终答案以JRS直播题库为准：www.fzyzx.cn

72、is the extension of internet connectivity into physical devices and everyday objects.Embedded with electronics,internet connectivity and other forms of hardware (such as sensors), these devices can communicate and interact with others over the Internet ,and they can be remotely monitored and controlled.

A、Cloud Computing

B、Internet of things

C、Block Chain

D、Artificial Intelligence

JRS直播参考答案：B

最终答案以JRS直播题库为准：www.fzyzx.cn

73、is a process of developing a document that formally authorizes the existence of a project and provides the project manager with the authority to apply organizational resources to project activities.

A、 Develop Project Charter

B、Manage Project Knowledge

C、Monitor and Control Project work

D、Close project

JRS直播参考答案：A

最终答案以JRS直播题库为准：www.fzyzx.cn

74、()is a process of developing a detailed description of the project and product

A、collect requirements

B、Definition scope

C、validate scope

D、Control range

JRS直播参考答案：B

最终答案以JRS直播题库为准：www.fzyzx.cn

75、（）is a process of monitoring the status of the project to update the project costs and manage changes ti the cost baseline.

A、Plan Cost Management

B、Estimate Costs

C、Determine Budget

D、Control costs

JRS直播参考答案：D

最终答案以JRS直播题库为准：www.fzyzx.cn

[1]   [2]   [3]