Refer to the exhibit, a Network Engineer has requirement to enable MPLS TE Tunnel on the network, Which MPLS TE Feature allow the network engineer to configure MPLS TE LSP by using a few CLI commands
A. Auto tunnel Mesh groups on all P and PE Routers
B. Auto tunnel primary and backup on all P Router
C. Auto tunnel mesh Group on all PE Routers
D. Auto tunnel primary and backup on all P and PE Router
