Which of the following answers is most accurate about access link options for an MPLS network?
- Uses only TDM (T1, T3, E1, E3, etc.)
- Uses only Ethernet
- Uses only DSL and cable
- Uses a wide variety of Layer 1 and Layer 2 networking technologies
Explanation: Architecturally, MPLS allows for a wide variety of access technologies. Those include TDM (that is, serial links), Frame Relay, ATM, Metro Ethernet, and traditional Internet access technologies such as DSL and cable.
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