subnetting questions and solutions pdf

Subnetting Questions And Solutions Pdf

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Subnetting Practice Questions

Scroll down for the video and also text tutorials. The question is, what are the network address, the broadcast address and valid host addresses for the IP address of In the second part of the question, what is the subnet mask in dotted-decimal notation? Let's look at how we are going to figure out the answer to the question. We're going to do the second part of the question first because it's more logical and easier to do it that way. The way to do this, whenever you're working out a subnetting problem particularly at the start, is to write out the bit pattern at the top of a piece of paper.

Later on, you'll be able to do all these in your head, but when you're first learning, it's way easier to write it all out. So, take a piece of paper, start at the top, start at the right and we go 1, 2, 4, 8, 16, 32, 64, , and you can put a dot in.

Proceed to the next octet, until you've drawn out the bit pattern for the four octets in your subnet mask. Under your bit pattern at the top of the paper, write out 26 1s underneath starting from the left side.

Then, you can put in the six 0s for the host portion of the address. Also, draw a line in where the line is for the subnet mask, and then we can just add these up. The first octet is all ones, it's going to be The second and third octets are also going to be For the fourth octet, the ones are under and We add and 64 together to give us Let's look at what the second part of the question was. What is the network address, the broadcast address, and a valid host address for the IP address, Again, we use our piece of paper and we're going to write out the IP address now as well.

The network portion of the address is the first 26 bits, which is I've got a 1 for and a 0 for the 64 so, that means The network address is The long way is the logical way to do it. First, we write out the IP address on the subnet mask in binary notation and we put in the line where the subnet mask is. From that, we can figure out what the network address is which is Then we figure out what the broadcast addresses. That would be all of our host bits. So we add up 32, 16, 8, 4, 2, and 1.

That would be equal to From the network portion, we found out that the network address was Therefore, the broadcast address is Now, we've got the network address and the broadcast address. The possible host addresses are going to be the addresses that lie between those two numbers.

That would be We can take a little bit of a shortcut here and what we do is, look at where the line is. The line is after the 64, so I know that my subnets go up in multiples of The first one is going to be The address that I'm interested in, is The first subnet is zero, then 64, then The next one would be plus 64 is I know this is in the network I then add on I know to add on 64 because that's where the line is, and the next network address would be If the next network address if , it must mean that the broadcast address for this subnet is one less than that.

It's going to be There, I figured out my network address is I figured out that my broadcast address is The available host must be everything in between. A final important point to tell you here is, notice that everything was done on where the subnet line is.

So we don't actually need to worry about the first three octets. They are always going to be unchanged as You can see for some time, they're only writing out the octet that the subnetting is happening on.

You don't have to write the whole thing out in full every time. If you are not sure about subnetting and you want some more practice, then there are some good resources listed below:.

These are websites that have the same type of questions that you could see on the CCNA exam. Every time you refresh it, it will come up with a new question. To check the answer, you can click and reveal the answer.

It shows you the answer and then you can go on to the next question. If you're like me, you're not going to just learn this in one go and then have it down. You're probably going to want to practice it a little bit. Don't spend hours on end practicing subnetting, that's no fun for anybody, but to get ready for the exam, you could just come on here and spend five or 10 minutes a day just working through a few problems.

If you do that for days or even weeks before the exam, you'll be fine when you get those subnetting questions. Another thing to tell you is, in the real world, people don't do subnetting in their head, typically, if that wasn't obvious already. What we do is we use a subnet calculator. What you can do is you can go to Google and search for subnet calculator. What this is useful for is if you are doing subnetting in the real world, if you need to figure anything out.

Also, if you're doing exam practice and you want to check that you got the answer right, you can just come in here, plug in the numbers, and it will give you the answer. What is Subnetting? With a mission to spread network awareness through writing, Libby consistently immerses herself into the unrelenting process of knowledge acquisition and dissemination.

If not engrossed in technology, you might see her with a book in one hand and a coffee in the other. James Drebenstedt. Libby Teofilo.

Subnetting Worked Examples and Exercises

All it takes is some time and practice! Subnetting is the process of stealing bits from the HOST part of an IP address in order to divide the larger network into smaller sub-networks called subnets. We always reserve an IP address to identify the subnet and another one to identify the broadcast address within the subnet. In the following sections you will find out how all this is possible. Breaking up large networks into smaller parts would be more efficient and would conserve a great amount of addresses. You will be surprised how easy the concept of Subnetting really is.

What is the correct routing match to reach You have been asked to come up with a subnet mask that will allow all three web servers to be on the same network while providing the maximum number of subnets. Which network address and subnet mask meet this requirement? What is the most appropriate summarization for these routes? How many usable host are there per subnet if you have the address of

The best way of learning subnetting is to do it. Here are a selection of worked examples to help you get started. At the end are some links to online quizes so you can do it yourself. Easiest is to sub net on a byte boundary which would mean a subnet mask of This would allocate 8 bits for the subnet and 8 bits for the host. Now add the 24 bits So we write:.


16 8. 4. 2. 1. Answers Scratch Area. 1 Using the IP address and subnet mask shown write out the network address: The CCNA and CCENT certification exams may have questions which will require you to determine.


CCNA Subnetting Questions

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ED Jobs M. Com Jobs B. Sc Jobs B. E Jobs Ph. Aspirants who are preparing for the Cisco Certified Network Associate technical certificate CCNA are advised to look at latest Subnetting Questions that play an important role n testing knowledge.

4 comments

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All students, freshers can download Networking Subnetting quiz questions with answers as PDF files and eBooks. Where can I get Networking Subnetting.

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Philippe M.

After subnetting, we end up with NETWORK SUBNET HOST fields. We always reserve an IP address to identify the subnet and another one to.

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