<span>Simple mail transfer protocol (SMTP) is TCP/IP's own messaging system for email. telnet protocol provides terminal emulation that allows a personal computer or workstation to act as a terminal, or access device, for a server. Answer: True</span>
Question: <span>You need to prevent the use of tftp through your firewall. which port would you block? </span><span> Answer: You should block UDP port 69 to block TFTP
