第67题： （）属于定量风险分析的工具和技术。
A、概率和影响矩阵
B、风险数据质量评估
C、风险概率和影响评估
D、敏感性分析
答案解析与讨论：www.cnitpm.com/st/3951419582.html

第68题： 有关控制风险的描述，不正确的是（）
A、控制风险时，需要参考已经发生的成本
B、风险分类是控制风险过程所采用的工具和技术
C、可使用挣值分析法对项目总体绩效进行监控
D、控制风险过程中需要更新风险登记册
答案解析与讨论：www.cnitpm.com/st/3951528566.html

第69题： 在信息系统安全技术体系中，安全审计属于（）
A、物理安全
B、网络安全
C、数据安全
D、运行安全
答案解析与讨论：www.cnitpm.com/st/395166251.html

第71题： Cloud storage is a model of computer of computer data storage in which the digital data is stored in logical pools. The physical storage spans multiple servers (somentimes in multiple locations), and the physical environment is typically owned and managed by a hosting company. As for the cloud concepet, the cloud storage service is one kind of ().
A、IaaS
B、PaaS
C、SaaS
D、DaaS
答案解析与讨论：www.cnitpm.com/st/3951829598.html

第72题： ( ) is a subset of artificial intelligence in the field of computer science that often uses statistical techniques to give computers the abillity to “learn” (i.e., progressively improve performance on a specific task) with data. Without being explicitly programmed.
A、Machine learning
B、Program language learning
C、Natural language learning
D、Statistical learning
答案解析与讨论：www.cnitpm.com/st/3951929500.html

第73题： Configuration management is focused on the specification of both the deliverables and the processes; while () is focused on identifying, documenting, and approving or rejecting changes to the project documents, deliverables, or baselines.
A、cost management
B、change management
C、configuration management
D、capacity management
答案解析与讨论：www.cnitpm.com/st/3952019781.html