国产精品久久久久久免费免熟,五月婷婷激情综合网,欧美三级视频网站,一级少妇淫片,国产精品女教师av久久,啪啪免费视频,wwww黄色片

軟題庫 學(xué)習(xí)課程
試卷年份2023年下半年
試題題型【單選題】
試題內(nèi)容

( )is not the way to strengthen data security in the era of big data.
A．Build up network security information sharing platform
B．Use trusted products and services
C．Set up a big data security evaluation system
D．Improve the big data industrial chain

查看答案

相關(guān)試題