Implementing Cisco Enterprise Advanced Routing and Services (ENARSI) — Question 486
Which two features are required for MPLS forwarding on which types of routers? (Choose two.)
Answer options
- A. MPLS on PE and core routers
- B. LDP on PE and core routers
- C. MPLS on CE and core routers
- D. LDP on PE and CE routers
- E. CEF on PE and CE routers
Correct answer: A, B
Explanation
MPLS requires both MPLS and LDP protocols to function on Provider Edge (PE) and core routers, which are responsible for routing traffic efficiently. The other options either include incorrect router types or features that are not essential for MPLS forwarding.