第69题： 关于标准分级与类型的描述，不正确的是：（  ）。
A、GB/T指推荐性国家标准
B、国家标准一般有效期为3年
C、强制性标准的形式包含全文强制和条文强制
D、国家标准的制定过程包括立项、起草、征求意见、审查、批准等阶段
答案解析与讨论：www.cnitpm.com/st/4330114864.html

第70题：  The main direction of Integration of Industrialization and Informatization is ().
A. internet plus
B. big data
C. cloud computing
D. intelligent manufacturing
答案解析与讨论：www.cnitpm.com/st/4330229882.html

第71题： () is called the gateway of network security, which is used to identify what kind of data packets can enter the enterprise intranet.
A. Anti-virus software
B. Trojan horse
C. Secret key
D. Firewall
答案解析与讨论：www.cnitpm.com/st/4330310613.html

第73题： ( ) is the process of identifying individual project risks as well as source of overall project risk, and documenting their characteristics,
A. Identify Risks
B. Monitor Risks
C. Implement Risk Responses
D. Plan Risk Management
答案解析与讨论：www.cnitpm.com/st/433059322.html

第74题： As one of the core technologies of block chains, () refers to the fact that transaction accounting is performed by multiple nodes distributed in different places, and each node records a complete account, so they can participate in the supervision of transaction legitimacy and testify for it together.
A. intelligent contract
B. consensus mechanism
C. asymmetric encryption technology
D. distributed accounts
答案解析与讨论：www.cnitpm.com/st/4330617054.html