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72题： A () is a graph that shows the relationship between two variables.
A. histogram
B. flowchart
C. scatter diagram
D. matrix diagram
答案解析与讨论：www.cnitpm.com/st/4330429983.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