题目内容

Whatarethreefeaturesofvoicetrafficonanetwork?()

A. bursty
B. constant
C. bandwidthintensive
D. smallpacketsizes
E. time-sensitive
F. retransmittable

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更多问题

WhatisTCI?()

A. TagCallingInterface
B. TagControlIdentifier
C. ToSClassInterface
D. TagControlInformation

Which IPsec security protocol should be used when confidentiality is required?()

AH
B. MD5
C. PSK
D. ESP

WhatdoesUDLDstandfor?()

A. UniDirectionalLoopDetection
B. UnspecifiedDistributionLabelDetection
C. UnifiedDistributionLabelDirection
D. UniDirectionalLinkDetection

Voiceactivitydetection(VAD)suppressesthetransmissionofsilencepatterns.Onaverage,andassumingthatalinkcarriesatleast24calls,whatpercentageoftotalbandwidthcouldVADsave?()

A. 5
B. 15
C. 25
D. 35
E. 45
F. 55

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