Developing Applications and Automating Workflows Using Cisco Platforms (DEVASC) — Question 513

Which network device plane is responsible for handling QoS?

Answer options

• A. management plane
• B. data plane
• C. configuration plane
• D. control plane

Correct answer: D

Explanation

The control plane is responsible for making decisions about how traffic is handled, including applying Quality of Service (QoS) policies. The management plane is focused on network management tasks, the data plane is responsible for forwarding traffic, and the configuration plane does not exist as a distinct concept in networking.