為方便廣大考生考后估分對答案，希賽網(wǎng)特向廣大學員和網(wǎng)友搜集整理了2022上半年廣東系統(tǒng)集成項目管理工程師上午真題（71-75），供大家參考。希賽網(wǎng)老師也將在考后進行真題答案解析，敬請廣大考生關注。

第71題 （）is the core component of bitcoin.

A、Block chain

B、Hash

C、RSA

D、DES

第72題 （）is the action to eliminate the caues or ruduce the likehood of recurrence of a detected Nonconformity or other undersirabee situatlon.

A、corrective action

B、continual improvement

C、known error

D、preventive action

第73題 （）put forward the theory of statistical process control(SPC),which used statistical technology to monitor the production process to reduce the dependence on inspection.

A、Juran

B、shewhart

C、feigenbaum

D、taylor

74、（持續(xù)更新中）

第75題 （）is not primarily used to protect thee correctness and integrity of data.

A、CA certification

B、Identity authentication service

C、Digital signature

D、Intrusion detection system