多项选择题
Which three are the ATM cell header fields？（）
A.cell loss priority （CLP）
B.discard eligibility （DE）
C.head error control （HEC）
D.generic flow control （GFC）
E.forward explicit congestion notification （FECN）
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相关考题
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多项选择题
WhenyoudesignQoSonCEforanMPLSLayer2VPN，whichthreethingsshouldbeconsidered？（）
A.Layer 2 access link QoS design
B.enterprise-to-service-provider mapping models
C.Layer 3 link access QoS design
D.service provider service level agreements
E.Layer 2 link access load balancing -
单项选择题
WhichdescriptionofBGPauthenticationistrue？（）
A.MD5 has been used by BGP to encrypt BGP update packets.
B.BGP uses a message-digest algorithm to authenticate BGP peers
C.A plain-text password authentication is an option of BGP authentication
D.EBGP peers authentication is faster than IBGP peers authentication
E.BGP uses public key and private key to authenticate BGP peers. -
单项选择题
WhatisthetypicalmarkedDSCPvalueforavoicesignalingpacketinVoIPtechnology？（）
A.BE
B.AF41
C.AF21
D.EF
E.AF31
