Which two of these are characteristics of Metro Ethernet？（）

多项选择题WhichtwooftheseMetroInternetservicesmaptoE-LANservicesthataredefinedbytheMEF？（）

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

多项选择题WhichthreeoftheseMetroEthernetservicesmaptoE-Lineservicesthataredefinedbythe MEF？（）

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

单项选择题WhichoftheseisabenefitofusingNetworkAdmissionControlinsteadofCiscoIdentityBased NetworkingServices？（）

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

单项选择题InwhichNASoperatingmodeareACLfilteringandbandwidththrottlingonlyprovidedduring postureassessment？（）

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

单项选择题Anorganizationhiresacontractorwhoonlyneedsaccesstoemailandagroupcalendar.Theydonotneedadministratoraccesstothecomputer.WhichVPNmodelisthemostappropriate？（）

A. Thin Model
B. Thick Client
C. Port Forwarding
D. Clientless Access
E. Layer 3 Network Access