Drag and drop question. The upper gives the MPLS functions, the bottom describes the planes. Drag the above items to the proper location at the below
正确答案:
![](https://www.274949.com/images/2020-01/01/5ktc6ndf.jpg)
答案解析:有
![](/editor/images/201705/qrcode_for_gh_573e2a458573_258.jpg)
微信扫一扫手机做题
Drag and drop question. The upper gives the MPLS functions, the bottom describes the planes. Drag the above items to the proper location at the below
微信扫一扫手机做题