Respuesta :
Answer:
D. restricting access to the network to certain MAC addresses.
Explanation:
This kind of protection is less effective and of course not recommended because the MAC address could be impersonated/simulated by several programs in the market. So for example you could sniff a network to see the packets going around and observe the different MAC addresses and just replace yours (MAC address Spoofing)
D. Restricting access to the network to certain MAC addresses because it can hack you