CompTIA A+ Exam 220-901: Introduction to Networking

This path is intended for anyone who wishes to enter the IT professional field, and requires entry-level training to get them started with a career in technical support.


Expected Duration
92 minutes

In a connected world, being able to get your computer connected is of paramount importance. There are a lot of different types of networks and network devices, and this will give you an overview of all of them. This course will teach you to identify different types of networks and network devices, and learn about basic network functionality.


Introduction to Networking

  • start the course
  • describe the fundamentals of networking
  • describe LANs
  • describe WANs
  • describe MANs
  • describe PANs
  • describe VPNs
  • describe network fundamentals network topologies
  • describe OSI
  • describe OSI layers 1-3
  • describe OSI layers 4-7
  • describe Ethernet

Introduction to Networking Devices

  • describe hubs
  • describe switches
  • describe hub
  • describe bridge
  • describe switch
  • describe router
  • describe multilayer switch
  • describe access points
  • describe modems
  • describe NAS
  • describe firewalls
  • describe VoIP phones

Practice: Identify Networking Device Functions

  • identify networking device functions





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