Subnets A company Bit-by-Bit Inc. has been assigned a network IP address of 155.

Question

Subnets

A company Bit-by-Bit Inc. has been assigned a network IP address of 155.1.0.0. It has three divisions that need a total of 85 subnets. You are the network administrator for the company and are responsible for creating the subnets. Please answer the following questions.

l . How many bits do you need to borrow from the host bits for the subnet field?

2.What is the maximum number of host addresses per subnet?

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

4. What is the subnet mask in binary representation?

5. What is the subnet mask in decimal representation?

6. Please indicate the following details for the first three subnets and last possible subnet in the network :-

a. Subnet number

b. Subnet address

c. Range of host addresses that can be assigned to a host device.

d. Direct Broadcast address

7. Can you assign the IP address 155.1.5.255 to a host device in the network?

Explanation / Answer

1. 8 Bit

2.Addresses per subnet = 256

3.Addresses per subnet which can be assigned = 254

4. 1111 1111.1111 1111.1111 1111.0000 0000

5. 255.255.255.0

6(a). 255

6(b). 0.0.0.255

6(c).155.1.0.1 - 155.1.0.254

6(d). 155.1.0.255

7. No , You can't assign IP address 155.1.5.255 to a host device in the network.

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