Submit command, as it hands in the data to the server
Answer:
yes
Explanation:
If it is guranteed the key is only known to Alice and Bob and there is no risk of man in the middle attack or channel spoofing so we can achieve data origin authentication
Answer:
Maybe
Explanation:
If you are unsure if a website is safe look for signs. If its asking you to allow advertisement then no. I suggest you download a VPN before going to the website just to be safe