gateway

Common TCP and UDP Ports – CompTIA A+ 220-801: 2.4

TCP and UDP are the primary transport protocols used in today’s modern networks. In this videos, you’ll get an operational overview of the TCP and UDP protocols, and you’ll learn the TCP and UDP ports that will be important to know for your CompTIA A+ exam.

TCP/IP Addressing – CompTIA A+ 220-801: 2.3

If you’re configuring a network connection, then you’ll need to know the fundamentals of TCP/IP addressing. In this video, you’ll learn about the IP address, subnet mask, and default gateway, and you’ll learn how to configuration your system for automatic or manual network settings.

What’s with all this subnet stuff?

The idea behind subnetting a network and the use of subnet masks isn’t an incredibly difficult concept, but the details surrounding network subnetting have changed a bit through the years. Subnetting is simply a way to design and interconnect groups of networks.