109.1 Fundamentals of internet protocols

109.1 Fundamentals of internet protocols

Reference to LPI objectives

LPIC-1 version 5.0, Exam 102, Objective 109.1

Weight

4

Key knowledge areas

  • 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 and major features of UDP, TCP and ICMP.

  • Knowledge of the major differences between IPv4 and IPv6.

  • Knowledge of the basic features of IPv6.

Partial list of the used files, terms and utilities

  • /etc/services

  • IPv4, IPv6

  • Subnetting

  • TCP, UDP, ICMP

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