未分类题

WhataretwodesignguidelinesforVoIPnetworks?()

A.Delayshouldbenomorethan10ms.
B.Lossshouldbenomorethan1percent.
C.Jittershouldbelessthen40ms.
D.Managedbandwidthisstronglyrecommendedforvoicecontroltraffic.

【参考答案】

B, D