Cisco CCNA How & Why We Subnet Workbook

Passing the Cisco Certified Network Associate Routing and Switching v3.0 200-125 certification exam is difficult enough if you are fully prepared by attending a Cisco CCNA v3.0 class with an instructor and you have access to all the proper books and equipment. But how do you get the firm foundation and understanding of how and why you subnet? Then once you think you understand the theory behind it, where can you get tons of practice questions, scenarios and answers? Simply in our CertificationKits.com How & Why We Subnet Workbook!

This 100 page workbook was designed to walk you through the theory of subnetting and with enough sample and practice scenarios that you can master subnetting and not miss a single subnetting question on your ICND1 100-105, ICND2 200-105,  or CCNA 200-125 exam! Subnetting is the most heavily hit concept on the CCNA Routing & Switching 200-125 exam. Make sure you are prepared by mastering the skill of subnetting.

So let's take a look at the concepts and practice exercises covered in this CCNA R&S 200-125 Subnetting Lab Workbook.

What are IP Addresses and why do we need them?

  • The Internet
  • IP Addresses
  • Format of IP Addresses
  • Understanding Binary
  • Converting form Binary to Decimal
  • Converting from Decimal to Binary
  • IP Address Conversion – Decimal to Binary
  • IP Addresses Conversion - Binary to Decimal
  • Exercise 1.1: Binary to Decimal Practice
  • Exercise 1.2: Decimal to Binary Practice

Subnets – What Are They & Why Do We Need Them?

  • Introduction
  • Media Access Control (MAC)
  • Network IDs & Host IDs
  • Exercise 2.1: Determining the Network ID ANDing Practice
  • Finding the Network Address
  • Exercise 2.2: Finding the Subnet the Address Resides On
  • VLSM – Subnetting Without Being Wasteful!
  • Calculating the Number of Valid Subnets
  • Exercise 3.1: Determining the Number of Valid Subnets for Class A Addresses Practice
  • Exercise 3.2: Determining the Number of Valid Subnets for Class B Addresses Practice
  • Exercise 3.3: Determining the Number of Valid Subnets for Class C Addresses Practice
  • Finding the Number of Valid Hosts
  • Exercise 3.4: Finding the Number of Valid Hosts
  • The Block Method – Subnetting for Speed!
  • Exercise 3.5: Choosing the Appropriate Subnet Mask
  • Exercise 3.6: Finding the Network ID, Broadcast Address, Address and Valid Address Ranges
  • Exercise 3:7: Subnetting for Speed!
  • Route Summarization
  • Exercise 3.8: Determining Correct Masks for Summarization
  • Meeting the Stated Design Requirements
  • Scenarios
  • Exercise 4:1: Meeting the Stated Design with the Appropriate Subnet Mask
  • Finite Address Space and NAT
  • Conserving IP Addresses
  • Network Address Translation (NAT)
  • Dynamic NAT
  • NAT Overload