CCNA: Cisco Certified Network Associate — Question 1340

What is the function of the control plane?

Answer options

• A. It exchanges routing table information.
• B. It provides CLI access to the network device.
• C. It looks up an egress interface in the forwarding information base.
• D. It forwards traffic to the next hop.

Correct answer: A

Explanation

The control plane is responsible for exchanging routing table information, which is essential for determining the best paths for data. Options B, C, and D pertain to the data plane functions; B deals with management access, C involves the lookup process, and D refers to traffic forwarding, which are not the primary roles of the control plane.