Answer: Port mirroring
Explanation: Port mirroring is the process through which the network packets are copied and transmitted port to port device as an input. It can carry the data in the form of network packets and then switch by coping the sending the data. This technique is implemented on the switches,computers and other networking devices for the monitoring and analysis process.
Instant messaging (IM) is a type of communication where one person can send a message (typically text based) and have another (1 or more) recipient receive the message.
the function and loop will be
def factorial(x):
total = 1
if x != 1 and x != 0:
for i in range(x,1,-1):
total *= i
return total