An engineer is allocating a determined amount of bandwidth to a customer Cisco MPLS TE tunnel to
guarantee its availability on a 24/7 SLA type. Which option must be configured to make sure the
customer is able to use the bandwidth agreed on the SLA?

A.
RSVP that guarantees bandwidth availability end-to-end

B.
Cisco MPLS TE tunnel to signal the bandwidth requiredC. a QoS policy to reinforce the RSVP bandwidth reservation

D.
overprovisioning to guarantee bandwidth