Which is a valid configuration for a direct X.25 connection between systems \A and \B without the
use of a modem eliminator?

A.
\A DTECLOCK, CLOCKSPEED 19200, FRAMEMODE DCE
\B DTECLOCK, CLOCKSPEED 19200, FRAMEMODE DCE

B.
\A DTECLOCK, CLOCKSPEED 19200, FRAMEMODE DCE
\B DCECLOCK, FRAMEMODE DTE

C.
\A DCECLOCK, CLOCKSPEED 19200, FRAMEMODE DCE
\B DCECLOCK, CLOCKSPEED 19200, FRAMEMODE DTE

D.
\A DTECLOCK, CLOCKSPEED 19200, FRAMEMODE DTE
\B DCECLOCK, CLOCKSPEED 19200, FRAMEMODE DTE