There are many kinds of WAN interfaces. The following description of WAN interfaces is correct ______ . (Multiple choices)

There are many kinds of WAN interfaces. The following description of WAN interfaces is correct ______ . (Multiple choices)

The AV24 protocol interface can work in both asynchronous and asynchronous modes. In asynchronous mode, the link layer uses PPP encapsulation.

The BV35 protocol interface can work in both asynchronous and asynchronous modes. In asynchronous mode, the link layer uses PPP encapsulation.

C. BRI / PRI interface is used for ISDN access, the default link encapsulation is PPP

The DG703 interface provides high-speed data synchronization communication services.

View Answer

Answer:   ACD