Which of the following will listen on the line to ensure there is no traffic transmitting and implement a back-off timer if a collision occurs?
A. CSMA/CD
B. CSMA/CA
C. MPLS
D. OSPF
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CSMA CD takes effect after a collision while CSMA CA takes effect before a collision. 2. CSMA CA reduces the possibility of a collision while CSMA CD only minimizes the recovery time. … CSMA CD is typically used in wired networks while CSMA CA is used in wireless networks.