题目内容

WhatisTCI?()

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

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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

Whatisusedaslabelincell-basedMPLS?()

A. VPI
B. VCI
C. VPIandVCI
D. Specific4byteslabel
E. Noneofabove

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