.Which two statements are TRUE of synchronous serial ports? (Choose two.)
A. These ports can be used to provide leased-line or dial-up communications.
B. These ports do not support the High-Level Data Link Control (HDLC) encapsulation method.
C. An AUI connector is used with serial ports.
D. These ports can be used to configure high-speed lines (E1 or T1).
E. An RJ-45 connector is used with serial ports.