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    Question

    MPLS uses which concept for fast packet

    forwarding?
    A IP subnet masks Correct Answer Incorrect Answer
    B Label switching Correct Answer Incorrect Answer
    C MAC addresses Correct Answer Incorrect Answer
    D OSPF routing tables Correct Answer Incorrect Answer
    E VLAN tagging Correct Answer Incorrect Answer

    Solution

    MPLS forwards packets using short labels instead of full routing lookups.

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