CCNA: Cisco Certified Network Associate — Question 526

Which action is taken by the data plane within a network device?

Answer options

• A. Constructs a routing table based on a routing protocol.
• B. Forwards traffic to the next hop.
• C. Looks up an egress interface in the forwarding information base.
• D. Provides CLI access to the network device.

Correct answer: B

Explanation

The correct answer is B, as the data plane is responsible for forwarding traffic to the next hop. Option A describes the control plane's function of constructing routing tables, while C refers to another aspect of the data plane but is not the primary action. Option D relates to management functions, which are not part of the data plane's responsibilities.