What is the height of the smallest MSOTN in the industry?

During the scenario of DCI, the most important driving force for self-built transmission networks is:

GPON downlink wavelength is?

At the airport and port, the products and solutions pushed back to the video background scene include: (Multiple Choice)

The EA/EG series access products are Huawei's proprietary brand for enterprise access companies, which can better match the business needs of enterprises and effectively reduce operators' cross-selling.