A service provider is designing a new backbone based on an IGP and MPLS what are two valid reasons for implementing MPLS-TE as well? (Choose two)
MPLS-TE is required to reroute traffic within less than 1 second in case of a link failure inside the backbone
MPLS-TE can detect and react to neighbor failures faster than IGPs can
MPLS-TE is required to route different MPLS QoS Service classes through different paths
MPLS-TE is required to create backup paths independently from the IGP
MPLS-TE is a prerequisite for implementing RSVP in the backbone
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