Tag: ccna 3 v7 modules
14.0. Introduction 14.0.1. Why should I take this module? Welcome to Network Automation! Have you set up your home network? A small office network? Imagine doing those tasks for tens of thousands of end devices and thousands of routers, switches, and access points! Did you know that there …
13.0. Introduction 13.0.1. Why should I take this module? Welcome to Network Virtualization! Imagine you live in a two-bedroom house. You use the second bedroom for storage. The second bedroom is packed full of boxes, but you still have more to place in storage! You could consider building …
12.0. Introduction 12.0.1. Why should I take this module? Welcome to Network Troubleshooting! Who is the best network administrator that you have ever seen? Why do you think this person is so good at it? Likely, it is because this person is really good at troubleshooting network problems. …
11.0. Introduction 11.0.1. Why should I take this module? Welcome to Network Design! You are a sought after spaceship designer! You have been asked to design a new spaceship. Your first questions are, “What will this ship be used for? How large is the crew? Will it be …
10.0. Introduction 10.0.1. Why should I take this module? Welcome to Network Management! Imagine that you are at the helm of a spaceship. There are many, many components that work together to move this ship. There are multiple systems to manage these components. To get where you are …
9.0. Introduction 9.0.1. Why should I take this module? Welcome to QoS Concepts! Imagine driving on a heavily congested road and you are in a rush to meet a friend for dinner. You hear the siren and see the lights of an ambulance behind you. You need to …
8.0. Introduction 8.0.1. Why should I take this module? Welcome to VPN and IPsec Concepts! Have you, or someone you know, ever been hacked while using public WiFi? It’s surprisingly easy to do. But there is a solution to this problem: Virtual Private Networks (VPNs) and the additional …
7.0. Introduction 7.0.1. Why should I take this module? Welcome to WAN Concepts! As you know, local area networks are called LANs. The name implies that your LAN is local to you and your small home or office business. But what if your network is for a larger …
6.0. Introduction 6.0.1. Why should I take this module? Welcome to NAT for IPv4! IPv4 addresses are 32-bit numbers. Mathematically, this means that there can be just over 4 billion unique IPv4 addresses. In the 1980s, this seemed like more than enough IPv4 addresses. Then came the development …
5.0. Introduction 5.0.1. Why should I take this module? Welcome to ACLs for IPv4 Configuration! In the gated community where your grandparents live, there are rules for who can enter and leave the premises. The guard will not raise the gate to let you in to the community …
