Which two statements describe characteristics of HDLC on Cisco routers? (Choose two.)
A.
It supports multiple Layer 3 protocols.
B.
It supports multiplexing.
C.
It supports only synchronous interfaces.
D.
It supports authentication.
Which two statements describe characteristics of HDLC on Cisco routers?
Which two statements describe characteristics of HDLC on Cisco routers? (Choose two.)
1. its on layer 2, support TCP/UDP multiple layer 3 protocol
2. half duplex/full duplex, not multiplex
3. key word, cisco router- only support sync interfaces
4. no support authentication