_______ is the process of sending a signal to a client that gives its permission to transmit or asks it to receive.
a. Contention
b. Polling
c. Pooling
d. Carrier sense
e. CRC
Answer: B
_______ is the process of sending a signal to a client that gives its permission to transmit or asks it to receive.
a. Contention
b. Polling
c. Pooling
d. Carrier sense
e. CRC
Answer: B