华为认证那个科目好考，HCIA，HCIP，HCIE怎么考试Z-U-I容易通过的？

视频：

https://mp4.xacisco.net/2019/273%20%E5%8D%8E%E4%B8%BA%E8%AE%A4%E8%AF%81%E9%82%A3%E4%B8%AA%E7%A7%91%E7%9B%AE%E5%A5%BD%E8%80%83/%E5%8D%8E%E4%B8%BA%E8%AE%A4%E8%AF%81%E9%82%A3%E4%B8%AA%E7%A7%91%E7%9B%AE%E5%A5%BD%E8%80%83.mp4