Which of the following WAN technologies is MOST preferred when developing a VoIP system with 23 concurrent channels?

Posted by: Pdfprep Category: N10-007 Tags: , ,

Which of the following WAN technologies is MOST preferred when developing a VoIP system with 23 concurrent channels?
A . DSL
B . POTS
C . T1
D . DOCSIS

Answer: C

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