Anomaly detection systems make use of that describe the services and resources each authorized user or group normally accesses on the network.

profiles

Explanation:

Anomaly detection systems make use of profiles that describe the services and resources each authorized user or group normally accesses on the network.

given the options, i would say your best bet is c. the modem supports up to 56 kbps, which is too low for video streaming. dial up modems use actual phone lines, which only can go up to 56 kbps as that's more than sufficient for traditional phone calls. this is also the reason why when a dial-up modem connects, you hear all those sounds. it's literally using the phone line to establish a connection.

false as there is no connection between those two industries