Froggy Jumps CompTIA Ports and Protocols QuizOnline version Test your knowledge on CompTIA ports and protocols for A+ and ITF+ certification. by pat johnson 1 What port does HTTP use? a 80 b 443 c 21 2 Which protocol uses port 25? a FTP b SMTP c DNS 3 What is the port number for HTTPS? a 443 b 80 c 21 4 Which port is used by FTP? a 21 b 25 c 22 5 What port does SSH operate on? a 22 b 23 c 80 6 Which protocol uses port 53? a DNS b DHCP c HTTP 7 What is the port number for DHCP? a 53 b 67 c 80 8 Which port does Telnet use? a 23 b 25 c 22 9 What port is used for SNMP? a 162 b 80 c 161 10 Which port is associated with RDP? a 80 b 22 c 3389