多项选择题
Which of the following are key characteristics of PPP (Choose three.)（）。
A.can be used over analog circuits
B.maps Layer 2 to Layer 3 address
C.encapsulates several routed protocols
D.supports IP only
E.provides error correction
相关考题
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多项选择题
Whichthreeelementsmustbeusedwhenyouconfigurearouterinterfaceforvlantrunking？（）
A.one IP network or subnetwork for each subinterface
B.subinterface numbering that matches vlan tages
C.subinterface encapsulation identifiers that match vlan tags
D.a management domain for each subinterface
E.one physical interface for each subinterface
F.one subinterface per vlan -
多项选择题
Which two benefits are provided by using a hierarchical addressing network addressing scheme? （）
A.reduces routing table entries
B.auto-negotiation of media rates
C.efficient utilization of MAC addresses
D.dedicated communications between devices
E.ease of management and troubleshooting -
单项选择题
Which dose the frame-relay interface-dlinterface-dlcci command configure?（）
A.remote DLCI on the main interface
B.local DLCI on the main interface
C.local DLCI on the subinterface
D.remote DLCI on the subinterface
