c、系統(tǒng)管理員可以兼任數(shù)據(jù)庫管理員

d、關鍵崗位人員處理重要事務或操作時，應保持二人同時在場

信管網(wǎng)參考答案：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

信管網(wǎng)參考答案：a

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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

信管網(wǎng)參考答案：b

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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

信管網(wǎng)參考答案：a

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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

信管網(wǎng)參考答案：b

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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

信管網(wǎng)參考答案：d

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