Câu 47: 352-001: CCDE Design Written

A service provider creates a network design that runs MPLS in its WAN backbone using OSPF as the IGP routing protocol. What would be two effects of additionally implementing MPLS-TE? (Choose two.)

1. A. MPLS-TE is required to reroute traffic within less than 1 second in case of a link failure inside the backbone.
2. B. MPLS-TE is required to route different MPLS QoS service classes through different paths. — đáp án hiện tại
3. C. MPLS-TE and OSPF cannot be used together inside one MPLS network.
4. D. MPLS-TE cannot use OSPF for the traffic path calculation.
5. E. MPLS-TE is required to create backup paths independently from the IGP. — đáp án hiện tại