OSI Layer 3

Overview/Description
To outline the functionality of the network layer of the OSI model

Target Audience
Individuals new to networking concepts and terminology and individuals preparing to take the Interconnecting Cisco Network Devices (ICND) learning path

Prerequisites
Basic computer skills

Expected Duration
300 Minutes

Objectives:

OSI Layer 3

  • explain why a hierarchical addressing scheme is needed.
  • identify the differences between flat and hierarchical address schemes.
  • explain the structure of an IP address.
  • identify the address classes and convert them between binary and decimal formats.
  • explain network IDs and broadcast addresses.
  • discuss the purpose of subnetting and describe subnets and subnet masks.
  • to determine when subnetting is necessary.
  • calculate the subnet masks required in a network.
  • explain why routers use network addresses instead of Media Access Control (MAC) addresses.
  • discuss the methods used to assign network addresses to network devices.
  • explain how Address Resolution Protocol (ARP) works with remote networks.
  • explain what a routing protocol is.
  • differentiate between connectionless and connection-oriented services.
  • explain how Address Resolution Protocol (ARP) operates.
  • explain how routers create routing tables.


    • Course Number: 64164_eng