A new school is being built in the local school district. It will have three com

Question

A new school is being built in the local school district.

It will have three computer labs with 28 computers each.

There will be 58 classrooms with 2 computers each that need to be on one sub-subnet.

The office staff and administrators will need 7 computers.

The guidance and attendance office will have 5 computers.

The school has been given the address 223.145.75.0/24.

Subnets are assigned from largest to smallest.

Everything is based on the number of usable hosts.

Complete the information required below.

Subnet

Subnet Mask (/X)

Subnet
Address

First Usable

Host

Last Usable Host

Broadcast

Address

1

2

3

4

5

6

7

8

9

10

Subnet

Subnet Mask (/X)

Subnet
Address

First Usable

Host

Last Usable Host

Broadcast

Address

1

2

3

4

5

6

7

8

9

10

Explanation / Answer

As subnet mask /25 can host 128 hosts.

subnet mask /26 can host 64 hosts

subnet mask /27 can host 32 hosts

subnet mask /28 can host 16 hosts

subnet mask /29 can host 8 hosts

subnet mask /30 can host 4 hosts

Based on our requirement I have used /25,/27,/28,/29 subnet masks based on number of usable slots

subnet subnetmask(/x) subnet address First usable host last usable host Broadcast address 1 /25 223.145.75.0 223.145.75.1 223.145.75.126 223.145.75.127 2 /27 223.145.75.128 223.145.75.129 223.145.75.158 223.145.75.159 3 223.145.75.160 223.145.75.161 223.145.75.190 223.145.75.191 4 223.145.75.192 223.145.75.193 223.145.75.222 223.145.75.223 5 /28 223.145.75.224 223.145.75.225 223.145.75.238 223.145.75.239 6 /29 223.145.75.240 223.145.75.241 223.145.75.246 223.145.75.247 7 223.145.75.248 223.145.75.249 223.145.75.254 223.145.75.255

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