RRU连接应根据小区配置和设备（）支持情况确定BBU与RRU之间的星_爱下问搜题

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问题单项选择题

RRU连接应根据小区配置和设备（）支持情况确定BBU与RRU之间的星形连接或RRU级联方式，并按照BBU与RRU之间的连接方式配置光纤资源。

A、Ir接口

B、U接口

C、A接口

D、空中接口

答案

参考答案：A

选择题

This room is used ______ a reading room. [ ]

A. as

B. for

C. by

D. in

选择题

—The man isn't your father, is he?

—_____. He's my uncle.[ ]

A. Yes, he is

B. No, he isn't

C. Yes, he isn't

D. No, he is