__________ sends out a message to all other computers indicating it is going to send out data.

A.
CSMA/CD

B.
CSMA/CA

C.
CSMA/HB

D.
PPP
E. SLIP

Explanation:
CSMA/CA sends out a message to all other computers indicating it is going to send
out data. CSMA/CA or token ring networking uses this approach to reduce the amount of data
collisions.