LAPD Concentration的主要作用是什么？CONFACT=4时如何实现？（） -题库考试答案搜索网

LAPD Concentration的主要作用是什么？CONFACT=4时如何实现？（）

单选题

2022-01-13 18:22

A、作用是对LAPD信令进行集中控制，以提高对LAPD信令的处理能力，方法是将一条PCM上的所有LAPD信令都压缩在一个PCM时隙里
B、省A-BIS接口的传输，方法是将LAPD信令压缩成16K或32K后与普通话音一起在同一PCM时隙上传送
C、作用是节省A-BIS接口的传输，方法是将每一个载波的LAPD信令压缩成16K后再将最多八组LAPD信令放在同一PCM时隙上传送
D、作用是节省A-BIS接口的传输，方法是将每一个载波的LAPD信令压缩成16K后再将最多四组LAPD信令放在同一PCM时隙上传送

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正确答案

D

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标签： CMS专题通信技术认证考试网络优化考试

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