A.RADIUSB.PPPPAPC.MSCHAPD.PPPCHAPWhich protocol is used……

多项选择题Which two forms of DSL connectivity provide the same bandwidth in both directions？（）

A.ADSL
B.HDSL
C.SDSL
D.RADSL

单项选择题You would like toconfigure an ATM PVC with a virtual circuit identifier of 33 on virtual path 0.The PVC should use an unspecified bit rate and be encapsulated in the AAL5SNAP format. Which command accomplishes this goal?（）

A.atm pvc 0/33 aal5snap
B.atm pvc 33 0 33aal5snap
C.atm pvc 0/33 aal5snap ubr
D.atm pvc 33 0 33 aal5snap ubr

单项选择题Which configuration command creates a virtual router called isp-1？（）

A.virtual-routerisp-1
B.virtual-routerISP-1
C.virtual-routerVRisp-1
D.virtual-routerVRISP-1

单项选择题Your ERX router is supporting 100 virtual routers. A specific line module supports IP interfaces in 5 virtual routers.How many routing tables are maintained on that module?（）

A.0
B.1
C.5
D.100

单项选择题Which service does the ERX Edge Router support with a virtual router?()

A.voice over IP
B.wholesale services
C.IP quality of service
D.SNMP management