# Subnet Exercise 05

This page contains one exercise based on IP addressing and subnetting.
At first the problem definition and some questions are given. Later,
the solution of the questions are given. Please, at first try to solve
yourself. When you have finished then look the answers / solutions. If
you go forward in this way, I'm sure you do better.

[__ Note:__ Visit Subnetting Index or type

**http://hubpages.com/_ccna/hub/Subnet**to your browser address bar to learn a-to-z of subnetting.

__Many examples are there to make you a smart master of subnetting.__]

## Problem Definition and Questions:

Number of needed usable hosts are.......30

Network address is..................................30.0.0.0

Based on the above information, find the followings:**[a]Which class does the IP belong?**__ __**[b]What is the default subnet mask of that IP?**__ __**[c]What is the custom subnet mask of that IP?**__ __**[d]How many bits are required to make the subnet?**__ __**[e]What is the the total number of subnets?**__ __**[f]What is the total number of usable subnets?**__ __**[g]What is the total number of host addresses?**__ __**[h]What is the total number of usable host addresses?**__ __

[i]

[i]

**What is the total number of host bits?**

## Solution of the above questions:

**[a]Which class does the IP belong?**__Ans __Class A**[b]What is the default subnet mask of that IP?**__Ans __255.0.0.0**[c]What is the custom subnet mask of that IP?**__Ans __255.255.255.224**[d]How many bits are required to make the subnet?**__Ans __19**[e]What is the the total number of subnets?**__Ans __524288**[f]What is the total number of usable subnets?**__Ans __524286**[g]What is the total number of host addresses?**__Ans __32**[h]What is the total number of usable host addresses?**__Ans __30**[i]What is the total number of host bits?**__Ans __5**© Written by rancidTaste**

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