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單項(xiàng)選擇題

Which protocol is used between the RAS and the authentication server in a narrowband network environment？（）

A.RADIUS
B.PPPPAP
C.MSCHAP
D.PPPCHAP

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多項(xiàng)選擇題

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

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

單項(xiàng)選擇題

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