Computer Support/Networking/Protocols

This lesson covers networking protocols.

Objectives and Skills
Objectives and skills for the networking protocols portion of A+ certification include:
 * Explain common TCP and UDP ports, protocols, and their purpose.
 * Ports
 * 21 – FTP
 * 22 – SSH
 * 23 – TELNET
 * 25 – SMTP
 * 53 – DNS
 * 80 – HTTP
 * 110 – POP3
 * 143 – IMAP
 * 443 – HTTPS
 * 3389 – RDP
 * 137-139 NetBIOS/NetBT
 * 445 – SMB/CIFS
 * 427 – SLP
 * 548 – AFP
 * Protocols
 * DHCP
 * DNS
 * LDAP
 * SNMP
 * SMB
 * CIFS
 * SSH
 * AFP
 * TCP vs. UDP

Readings

 * 1)  File Transfer Protocol (FTP)
 * 2)  Secure Shell (SSH)
 * 3)  Telnet
 * 4)  Simple Mail Transfer Protocol (SMTP)
 * 5)  Domain Name System (DNS)
 * 6)  Hypertext Transfer Protocol (HTTP)
 * 7)  Post Office Protocol (POP3)
 * 8)  Internet Message Access Protocol (IMAP)
 * 9)  HTTPS
 * 10)  Remote Desktop Protocol (RDP)
 * 11)  NetBIOS over TCP/IP (NetBT)
 * 12)  Server Message Block (SMB)
 * 13)  Service Location Protocol (SLP)
 * 14)  Apple Filing Protocol (AFP)
 * 15)  Dynamic Host Configuration Protocol (DHCP)
 * 16)  Lightweight Directory Access Protocol (LDAP)
 * 17)  Simple Network Management Protocol (SNMP)
 * 18)  Transmission Control Protocol (TCP)
 * 19)  User Datagram Protocol (UDP)

Multimedia

 * 1) YouTube: Common TCP and UDP Ports - CompTIA A+ 220-901: 2.4
 * 2) Packetlife.net: Common TCP and UDP Ports cheatsheet