Which of the following is/are true concerning the configuration of the serial port on a router directly connected to another router? A. An encapsulation type must always be configured. B. An...

Which of the following is/are true concerning the configuration of the serial port on a router directly connected to another router?

A. An encapsulation type must always be configured.

B. An encapsulation type must be configured only if you wish to use an encapsulation type other than HDLC.

C. You must configure clock rate on the DCE end.

D. Clock rate must be configured on both ends of the connection.

E. The bandwidth command must be configured on the DCE end.

F. The bandwidth command does not need to be configured.