In the VLAN design of a campus network, which of the following considerations is correct?

What are the common wide-area optimization technologies for SD-WAN?

In dual-link networking, the AP will start to establish a link with the backup AC only after the configuration is delivered to the primary AC.

When planning sites for an EVPN interconnection solution, in addition to planning site roles as described in the network model, it's also necessary to plan the site WAN model from the perspective of network reliability. Reliability design primarily involves the following two aspects: Redundancy design for network egress devices and redundant design for network egress links. There are many possible combinations of redundant designs. For this purpose, the system provides several default link templates. Which ones are they?

What types of application identification technologies are included in Huawei's SDWAN solution?