Multiprotocol Label Switching (MPLS) operates at which of the following layers of the OSI model?
(Select TWO).
A.
Layer 1
B.
Layer 2
C.
Layer 3
D.
Layer 4
E.
Layer 5
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Multiprotocol Label Switching (MPLS) is a mechanism in high-performance telecommunications networks that directs data from one network node to the next based on short path labels rather than long network addresses, avoiding complex lookups in a routing table. The labels identify virtual links (paths) between distant nodes rather than endpoints. MPLS can encapsulate packets of various network protocols. MPLS supports a range of access technologies, including T1/E1, ATM, Frame Relay, and DSL.
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So, what layer is MPLS working with?
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