CompTIA A+ 220-701: 4.1 – Protocols and Addresses


The fundamental languages used over our computer networks are a standard set of protocols that are used around the world. In this video, you’ll learn about protocols and the set of standards associated with TCP/IP. You’ll also learn the essentials of TCP/IP and how subnetting can be used to build today’s modern networks.



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3 thoughts on “CompTIA A+ 220-701: 4.1 – Protocols and Addresses”

  1. Hello Prof. Messer:nI notice you put class A: 1-126 nbut various other document like Wikipedia show that class A is : 1 – 127u00a0 instead of 126…. what is your take on this difference?

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