Free Practice Cisco 300-420 Exam Questions 2025

What is the purpose of a control plane node in a Cisco SD-Access network fabric? 

In a Cisco SD-Access fabric, switch node Is equivalent to an access layer switch In a traditional three-tier campus network design?

An engineer must design a large Layer 2 domain that contains hundreds of switches and VLANs. Theengineer's primary goals are to:•Efficiently utilize the bandwidth of all links•Avoid Layer 2 loops•Cause minimal impact on switch CPU and memory Which technology should the engineer include in the design?

Which protocol is deployed through LAN automation to build node-to-node underlay adjacencies in SDA? 

An engineer must establish a direct connection between two remote offices. The new connection must be established using a logical path, share a common broadcast domain, connect over private WAN, and have as little overhead as possible. Which technology must the engineer choose?