Implementing and Operating Cisco Enterprise Network Core Technologies (ENCOR) — Question 387

What are two valid modes that Cisco Express Forwarding can operate in? (Choose two.)

Answer options

• A. Central CEF mode
• B. Dense CEF mode
• C. Sparse CEF mode
• D. Distributed CEF mode
• E. Routed CEF mode

Correct answer: A, D

Explanation

Central CEF mode and Distributed CEF mode are the two valid operational modes for Cisco Express Forwarding. Central CEF mode processes all forwarding decisions centrally, while Distributed CEF mode allows for forwarding decisions to be made by individual line cards, improving scalability and performance.