Match application and ports to the Transport Layer protocol used.
| port 20-FTP (data) | TCP |
| port 21-FTP (control) | TCP |
| port 22-SSH | TCP |
| port 23-Telnet | TCP |
| port 25-SMTP | TCP |
| port 53-DNS | Both |
| port 80-HTTP | Both |
| port 67-DHCP (server) | UDP |
| port 68-DHCP (client) | UDP |
| port 69-TFTP | UDP |
| port 110 - POP3 | TCP |
| ports 137-139 - NetBIOS NetB | Both |
| port 143 - IMAP | TCP |
| port 161/162 - SNMP (data) | Both |
| port 389 - LDAP (control) | TCP |
| port 427 - SLP | Both |
| port 443 - HTTPS | Both |
| port 445 - SMB/CIFS | Both |
| port 548 - AFP | TCP |
| port 3389 - RDP | Both |
Exam with this question: IT Essentials v8 Chapter 5 Check Your Understanding
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