A company Bit-by-Bit Inc. has been assigned a network IP address of 200.108.18.0

Question

A company Bit-by-Bit Inc. has been assigned a network IP address of 200.108.18.0. It has three divisions that need a total of 27 subnets. You are the network administrator for the company and are responsible for creating the subnets. Please answer the following questions.

1. What is the total number of network bits? Answer :-

2. How many bits do you need to borrow from the host bits for the subnet field? Answer :-

3. What is the maximum number of subnets that can be created with the subnet bits Answer :-

4. What is the maximum number of IP addresses available per subnet? Answer :-

5. What is the maximum number of IP addresses that can be assigned to a host device per subnet?

Explanation / Answer

Solution :

1. What is the total number of network bits? Answer : 24
Here first octal value = 200
hence given address is Class C address.
In class C total of 24 bits are assigned as network bits.

2. How many bits do you need to borrow from the host bits for the subnet field?
Answer : 5
Here we need to create at least 27 subnets.
hence at least 5 bits are needed as subnet bits.

3. What is the maximum number of subnets that can be created with the subnet bits
Answer : 32
When 5 bits are used as subnet bits , total of 32 subnets can be created.

4. What is the maximum number of IP addresses available per subnet?
Answer : 8
Here 3 bits are used for ip address for each subnet.
Each subnet can have maximum of 8 ip address.

5. What is the maximum number of IP addresses that can be assigned to a host device per subnet?
Answer = 6.
maximum of (8-2)6 ip address can be assigned to hosts.

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