A firewall is either software or dedicated hardware that exists between the network and the resource being protected. this network security device monitors traffic to or from the network. It is based on set of rules about what data packets will be allowed to enter or leave a network.
B. hand gestures
these are not verbal.
lst = [12,10,32,3,66,17,42,99,20]
a)
for x in lst:
print(x)
b)
for x in lst:
print(str(x) + " " +str(x**2))
I think this is what you're looking for. Hope this helps!
Answer:
TCP is typically used when you need a connection-oriented, reliable communication channel.
Most internet protocols (like HTTP, POP, MQTT, ...) have TCP as their underlying protocol.
Only when speed is important and it is acceptable to lose some of the data, you would consider simpler protocols like UDP.