O'Reilly logo

CompTIA A+ Complete Study Guide Authorized Courseware: Exams 220-801 and 220-802, 2nd Edition by Toby Skandier, Emmett Dulaney, Quentin Docter

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 7

Introduction to TCP/IP

The following CompTIA A+ 220-801 Exam objectives are covered in this chapter:

  • 2.3 Explain properties and characteristics of TCP/IP.
    • IP class
    • Class A
    • Class B
    • Class C
    • IPv4 vs. IPv6
    • Public vs. private vs. APIPA
    • Static vs. dynamic
    • Client-side DNS
    • DHCP
    • Subnet mask
    • Gateway
  • 2.4 Explain common TCP and UDP ports, protocols, and their purpose.
    • Ports
    • 21 - FTP
    • 23 - Telnet
    • 25 - SMTP
    • 53 - DNS
    • 80 - HTTP
    • 110 - POP3
    • 143 - IMAP
    • 443 - HTTPS
    • 3389 - RDP
    • Protocols
    • DHCP
    • DNS
    • LDAP
    • SNMP
    • SMB
    • SSH
    • SFTP
    • TCP vs. UDP

Networking protocols are a lot like human languages in that they are the language that computers speak when talking to each other. If computers don’t speak the same language, they won’t be able to talk. To complicate matters, ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required