An emergency-management office wants MPLS and broadband both forwarding with preference rather than leaving broadband cold until MPLS dies. Which dual-transport approach matches that intent?
Select an answer to reveal the explanation.
Short Explanation
Active-active with preference means both roads stay open, but ambulances still prefer the better MPLS lane until SLAs say otherwise. Leaving broadband administratively shut is classic cold standby, not what emergency management asked for. Bridging the underlays together without overlay tunnels throws away SD-WAN’s path control.
Full Explanation
Cisco SD-WAN commonly runs dual transports active-active, using TLOC preference, control policy, or AAR SLAs to prefer MPLS while still using broadband for eligible traffic or failover. That differs from pure backup designs that keep the secondary transport unused until hard failure. Administratively shutting broadband until a long outage defeats fast brownout response. Preference policies should still respect operational priorities rather than permanently ignoring a transport.