Here are some useful subnetting questions to practice and improve your subnetting skills specifically designed for anyone who wants to sit in a CCNA examination:

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Subnetting questions are an essential element of the CCNA curriculum. As a matter of fact, Subnetting itself is one of the most important segment that is a part of a Cisco certification, therefore you need to have a thorough understanding of Subnetting before you decide to sit a CCNA exam. And to practice it, you can begin exercising in writing but eventually, you have to make sure that you are efficient enough to solve subnets in your mind itself.

Remember, good Subnetting skills will save you a lot of calculative time in the examination so that you can focus more on other questions and score better.

Techie or a non-techie, getting familiarized with IP subnetting is the basic requirement for any newbie in order to build a strong foundation. So, if you are new to networking, don’t get yourself overwhelmed or be intimidated by it. Just be patient because once you start to understand the logic, it will all begin to make sense to you. Believe me, it’s literally not a rocket science.

Now, let me dismantle Subnetting into different constituents to be able to give you a better understanding of the topic. It will also help you understand exactly how to work with IP addresses and routers leading you to build your own network from scratch later on.

Before we move any further, let’s familiarize ourselves with a few technical terms that you will come across along the way:

Firstly, I am assuming that you are familiar with binary and decimal numbers, and how they function. If you aren’t, don’t worry. It only takes few hours to learn it. But you must do it before you proceed any further. Some other definitions to remember are:

  • Subnet – a unique and distinguishable identifier of any personalized network that is assigned to a sizable area within an organization.
  • Subnet Mask – a number that demarcates the range of an IP address in the network by dividing it into a network and host addresses. It is precisely 32 bit in length.
  • IP Address – a schematic number used as an address for reaching different computers, routers, switches and other hardware that is present within that network.
  • Ethernet Card – Better known as Network Interface Card or NIC is the hardware circuit installed within different computing devices to be able to connect them with other devices on the network.
  • We need subnets for all devices on the network to communicate with each other with the help of their IP addresses. A subnet also groups particular devices in the network known as hosts to give them different access privileges.