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  1. Which of the following uses ATM as the Data Link layer protocol that's terminated at what's known as the DSLAM?

    2. A.

     DSL
    B.

     PPPoE
    C.

     Frame Relay
    D.

     Dedicated T1
    E.

     Wireless

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    Answer : Option A

    Explanation :

    ATM is the Data-Link layer protocol that's typically used over the DSL layer 1 connection from the CPE and terminated at what's known as the DSLAM-an ATM switch that contains DSL interface cards, or ATU-Cs.

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