CCNA Routing & Switching 200-125 Chapter 1 – Understanding Networks and their Building Blocks 1-1 Introduction to Networks 1-2 Networking Types 1-3 OSI Reference Model 1-4 …

The first is our free ICND1 100-105 study guide to help you achieve your CCENT certification. The second is the free ICND2 200-105 study guide to complete your CCNA Routing and Switching …

Welcome to the amazing world of computer networking as you prepare for your Cisco CCNA Routing & Switching 200-120 exam. This chapter will help you get your feet wet by explaining …

In addition to that it is important to remember the functions of a router for your CCNA certification exam. Now that you know what a network is and what various network devices do, its time to …

Here is one of our Cisco CCNA 200-301 labs we have decided to provide FREE to you! These labs were created and we felt they were not advanced enough for our partner’s CCNA Lab …

Though this chapter was long, it helped lay the foundation of your CCNA networking knowledge. The importance of understanding every topic in this chapter cannot be stressed enough.

IP Address Classes, Private and Public addresses and subnetting are very important for both the CCNA exam as well as for understanding the rest of the topics coming up

Exam Alert: It is very important to remember the Layer names, their functions and the encapsulation process. You can use a common mnemonic to remember the layer names and …

While covering all these classifications is beyond the scope of the CCNA exam, there are two important network classifications that you need to know about for the exam.

You will see multiple questions about this on the CCNA exam! The MAC address is only locally significant and changes each hop. The above steps show how a TCP segments moves from …