Linux Administration/Networking/Internet Protocols

This lesson covers Internet protocols.

Objectives and Skills
Objectives and skills for the Internet protocols portion of Linux+ certification include:
 * Fundamentals of Internet protocols
 * 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 (20, 21, 22, 23, 25, 53, 80, 110, 123, 139, 143, 161, 162, 389, 443, 465, 514, 636, 993, 995)
 * Knowledge about the differences and major features of UDP, TCP and ICMP
 * Knowledge of the major differences between IPv4 and IPv6
 * Knowledge of the basic features of IPv6
 * The following is a partial list of the used files, terms and utilities:
 * /etc/services
 * IPv4, IPv6
 * Subnetting
 * TCP, UDP, ICMP