多项选择题

Which two of these Metro Internet services map to E-LAN services that are defined by the MEF？（）

A. Ethernet Private Line
B. Ethernet Wire Service
C. Ethernet Relay Service
D. Ethernet Multipoint Service
E. Ethernet Relay Multipoint Service

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WhichthreeoftheseMetroEthernetservicesmaptoE-Lineservic...

多项选择题Which three of these Metro Ethernet services map to E-Line services that are defined by the MEF？（）

A. Ethernet Private Line
B. Ethernet Wire Service
C. Ethernet Relay Service
D. Ethernet Multipoint Service
E. Ethernet Relay Multipoint Service

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A. NAC can authenticate using 802.1X and IBNS cannot
B. NAC can ensure only compliant machines connect and IBNS cannot
C. NAC can ensure access to the correct network resources and IBNS cannot
D. NAC can manage user mobility and reduce overhead costs and IBNS cannot

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单项选择题In which NAS operating mode are ACL filtering and bandwidth throttling only provided during posture assessment？（）

A. Layer 2
B. Layer 3
C. in-band
D. out-of-band
E. edge
F. central

CCDP(642-874)

Which two of these Metro Internet services map to E-LAN services that are defined by the MEF？（）