單項(xiàng)選擇題

What does UDLD stand for？（）

A.UniDirectional Loop Detection
B.Unspecified Distribution Label Detection
C.Unified Distribution Label Direction
D.UniDirectional Link Detection

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單項(xiàng)選擇題

What will significantly degrade DSL performance， regardless of DSL rate or line length？（）

A.Microliters installed between a telephone and shared line
B.POTS splitters at the subscriber’s end of the DSL line
C.POTS splitters at the telco CO
D.None of the other alternatives apply

單項(xiàng)選擇題

ATM carries IP and PPP information with ATM cells. What ATM adaptation Layer is used when an ATMcell carries IP packets and PPP frames？（）

A.AAU2
B.AAL3
C.AAL4
D.AAL5

What does UDLD stand for？（）

你可能感興趣的試題

What will significantly degrade DSL performance， regardless of DSL rate or line length？ （）

ATM carries IP and PPP information with ATM cells. What ATM adaptation Layer is used when an ATMcell carries IP packets and PPP frames？（）

What does UDLD stand for？（）

What will significantly degrade DSL performance， regardless of DSL rate or line length？（）

ATM carries IP and PPP information with ATM cells. What ATM adaptation Layer is used when an ATMcell carries IP packets and PPP frames？（）