問題詳情
13. What technology allows you to make telephone calls using a broadband Internet connection instead of regular (or analog)phone line?
(A)VoIP
(B)VOD
(C)GSM
(D)WLAN
參考答案
答案：A
難度：簡單0.751773
統計：A(106),B(1),C(8),D(16),E(0)
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【老師】評論
網際網路協定通話技術（英語：Voice ...