11.0. Introduction 11.0.1. Why should I take this module? Welcome to IPv4 Addressing! Currently, there are still plenty of networks using IPv4 addressing, even as the organizations which use them are making the transition to IPv6. So it is still very important for network administrators to know everything …
10.1. Introduction 10.0.1. Why should I take this module? Welcome to Basic Router Configuration! Have you ever run a relay? The first person runs the first leg of the race and hands off the baton to the next runner, who continues forward in the second leg of the …
2.0. Introduction 2.0.1. Why should I take this module? Welcome to Basic Switch and End Device Configuration! As part of your career in networking, you might have to set up a new network or maintain and upgrade an existing one. In either case, you’ll configure switches and end …
9.0. Introduction 9.0.1. Why should I take this module? Welcome to Address Resolution! Hosts and routers both create routing tables to ensure that they can send and receive data across networks. So how does this information get created in a routing table? As a network administrator, you could …
3.0. Introduction 3.0.1. Why should I take this module? Welcome to Protocols and Models! You know the basic components of a simple network, as well as initial configuration. But after you have configured and connected these components, how do you know they will work together? Protocols! Protocols are …
4.0. Introduction 4.0.1. Why should I take this module? Welcome to Physical Layer! The physical layer of the OSI model sits at the bottom of the stack. It is part of the Network Access layer of the TCP/IP model. Without the physical layer, you would not have a …
5.0. Introduction 5.0.1. Why should I take this module? Welcome to Number Systems! Guess what? This is a 32-bit IPv4 address of a computer in a network: 11000000.10101000.00001010.00001010. It is shown in binary. This is the IPv4 address for the same computer in dotted decimal: 192.168.10.10. Which one …
6.0. Introduction 6.0.1. Why should I take this module? Welcome to Data Link Layer! Every network has physical components and media connecting the components. Different types of media need different information about the data in order to accept it and move it across the physical network. Think of …
7.0. Introduction 7.0.1. Why should I take this module? Welcome to Ethernet Switching! If you are planning to become a network administrator or a network architect, you will definitely need to know about Ethernet and Ethernet switching. The two most prominent LAN technologies in use today are Ethernet …
8.0. Introduction 8.0.1. Why should I take this module? Welcome to Network Layer! By now you may have noticed that the modules in this course are progressing from the bottom up through the OSI model layers. At the network layer of the OSI model, we introduce you to …