Which of the following statements about Switched Multimegabit Data Service (SMDS) are true?
Each correct answer represents a complete solution. Choose two.
A . It is a logical connection between two devices.
B . It uses fixed-length (53-byte) packets to transmit information.
C . It supports speeds of 1.544 Mbps over Digital Signal level 1 (DS-1) transmission facilities.
D . It is a high-speed WAN networking technology used for communication over public data networks
Answer: C,D