There are many types of WAN interfaces, which of the following description of WAN interfaces is incorrect?
A . V24 protocol interface can work in both synchronous and asynchronous modes. In the asynchronous mode, the link layer uses PPP encapsulation.
B . V35 protocol interface can work in both synchronous and asynchronous modes. In the asynchronous mode, the link layer uses PPP encapsulation.
C . The BRI/PRI interface is used for ISDN access. The default link encapsulation is PPP.
D . G.703 interface provides high-speed data synchronization communication services.
Answer: B
Latest GB0-192-ENU Dumps Valid Version with 485 Q&As
Latest And Valid Q&A | Instant Download | Once Fail, Full Refund