CompTIA · A+ 220-1201
Ports and protocols
A+ 220-1201 · Lesson 4 of 22 · 27:13
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In this lesson
Prepare for the CompTIA A+ Core 1 (220-1201) exam. In this lesson: TCP and UDP, and the ports of FTP, SSH, Telnet, SMTP, DNS, DHCP, HTTP, POP3, NetBIOS, IMAP, LDAP, HTTPS, SMB, and RDP. Includes three original practice questions.
Preview the topics
- Brightwave’s support team must manage a network switch from the command line, with the session encrypted. Which protocol and port fit?
- After a firewall change, staff cannot open a shared folder on the clinic’s Windows file server. Which port was most likely blocked?
- A dentist wants email that stays in sync on a phone, a laptop, and a tablet, with messages kept on the server. Which protocol fits?