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 …
1.0 Introduction 1.0.1 Why should I take this module? Welcome to Basic Device Configuration! Welcome to the first module in CCNA Switching, Routing, and Wireless Essentials! You know that switches and routers come with some built-in configuration, so why would you need to learn to further configure switches …
4.0 Introduction 4.0.1 Why should I take this module? Welcome to ACL Concepts! You have arrived at your grandparents’ residence. It is a beautiful gated community with walking paths and gardens. For the residents safety, no one is permitted to get into the community without stopping at the …
3.0 Introduction 3.0.1 Why should I take this module? Welcome to Network Security Concepts! Perhaps you’ve heard one of the hundreds of news stories about a data security breach within a large corporation or even a government. Was your credit card number exposed by a breach? Your private …
2.0 Introduction 2.0.1 Why should I take this module? Welcome to Single-Area OSPFv2 Configuration! Now that you know about single-area OSPFv2, you can probably think of all the ways it could benefit your own network. As a link-state protocol, OSPF is designed to not only find the fastest …
1.0 Introduction 1.0.1 Why should I take this module? Welcome to Single-Area OSPFv2 Concepts! Welcome to the first module in CCNA Enterprise Networking, Security, and Automation v7.0 (ENSA)! Imagine that it is time for your family to visit your grandparents. You pack your bags and load them into …
17.0 Introduction 17.0.1 Why should I take this module? Welcome to Build a Small Network! Hooray! You have come to the final module in the Introduction to Networks v7.0 course. You have most of the foundational knowledge needed to set up your own network. Where do you go …
