CompTIA Linux+/LPIC-1 Portable Command Guide: All the commands for the CompTIA LX0-103 & LX0-104 and LPI 101-400 & 102-400 exams in one compact,

Chapter 37. Fundamentals of Internet Protocols

This chapter provides information and commands concerning the following topics:

Demonstrate an understanding of network masks and CIDR notation

Knowledge of the differences between private and public “dotted quad” IP addresses

Knowledge about common TCP and UDP ports and services (20, 21, 22, 23, 25, 53, 80, 110, 123, 139, 143, 161, 162, 389, 443, 465, 514, 636, 993, 995)

Knowledge about the differences ...