Explanation:
A hub is used to send the message from one port to other ports.It does not know the specific address of the destination where the message needs to send.it works on Physical layer of the OSI model(layer 1).
A switch can handle data and it knows the specific address of the destination.A switch works on the data link Layer of the OSI model(layer 2).
Answer: The best method to avoid getting spyware on a user machine is to download software only from trusted websites. And depending on the machine it might say that "This download you are about to install might have spyware or malware and it might infect your laptop" "Do you wish to continue?"
The biggest thing she need to consider are her variables. and the output she will get.
Answer:
this is the method of processing wood