The enterprise SD-WAN network can be divided into two layers: Underlay physical network and overlay virtual network. The physical network and virtual network are mutually exclusive.

In NCE-IP deployment, which of the following licenses are optional to load?

Regarding the concepts of A board/B board/C board/D board/FM involved in the R22 version of the S switch, please select the correct description (). (Multiple Choice)

Email deployment is also called URL deployment. It means that the network administrator completes the deployment configuration on iMasterNCE. The iMasterNCE system automatically generates a deployment email. The URL in the email carries the deployment information and sends the deployment email to the deployment mailbox. The deployment personnel receive the deployment email. After that, access the URL in the email through the browser to start the deployment process, and the device automatically completes the deployment deployment.

In the WLAN R22 version, after turning on offline network service retention, each AP maintains the current working mode and can provide normal services even if CAPWAP times out and disconnects. The cloud AP scenario only supports one-hop, and offline service retention is enabled by default.