题目内容

下列关于制颗粒的目的叙述错误的是( )

A. 增加物料的流动性
B. 避免粉末分层
C. 减少细粉吸附和容存的空气
D. 增加物料的硬度
E. 避免细粉飞扬

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Which one does not belong to the group of FTTP ( )?

A. FTTN
B. FTTH
C. FTTB
D. FTTO

Which statement below is correct ( )?

A. Fiber reaches the boundary of the living space, called FTTO.
B. Fiber reaches the boundary of the building, called FTTB.
C. Fiber reaches the user´s workstation or service points, called FTTN.
D. Fiber reaches the street cabinet, called FTTH..

Why FTTC is similar with FTTN ( )?

A. Triple-play service is based on it.
B. Fiber go all the way to the shared electrical room.
C. It is far away from premises.
Data transfer from mainstream to the local loop.

What is the difference between FTTH and FTTB ( )?

A. Speed Rate.
B. Delivery location.
C. Transfer medium.
D. Penetration rates.

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