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Design a network to determine the number of routers and hubs.

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Design a basic network suggesting how many routers and hubs etc for each floor. As well, determine what to use to connect i.e. Cat5 wire,etc.

Building A: Main building
7 stories
1 Basement
6 Normal floors

There are 350 people in the building
30 in basement
40 1st floor
60 2nd floor
60 3rd floor
70 4th floor
50 5th floor
40 6th floor

3rd floor contains Data Center

Computers and phones
4 Servers (Main server room)
There are 300 computers in this building
(20 are public access terminals)
There are 350 phones and 10 fax lines in the building
Each floor has a communications closet

Building B
4 stories
1 Basement
3 normal floors

There are 300 people in this building
50 Basement
100 1st floor
150 2nd floor
50 3rd floor

Computers and phones
1 NT server for a third floor client only
All other computers are served by Building A
There are 200 computers in this building(40 public access)
There are 250 phones and 4 fax lines
There are communication closets on the 2nd,3rd, and basement floors only.

Building C
4 stories (No basement)

There are 400 employees in this building,however there can be up to 10,000 people at an event.
100 employees on each floor

Computers and phones
All computers are served by Building A
there is a backup server used for this building users only.
There are 300 computers
There are 300 phones and 5 fax machines
Each floor has a communications closet

Building A to Building B 750 feet
You cannot connect using telephone poles.
Building A to C 170 miles.

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Solution Preview

A usual modern switch has 24 10/100 Mbps Cat5 ports and 1 or 2 uplink 1000 Mbps (1 Gbps) ports. You can choose to deploy all switches in a building to a single cabinet (requires more cabling and large shafts) or you can distribute switches to floors (less cables to center and cabins required on each floor). To be realistic, you must run spare cables (like 3 cables to 2 users and 2 cables between a central switch and a usual switch instead of 1). So to give examples, 3 switches up to 72 users on a floor is OK. If you concentrate all devices to the center, just sum it up and check for multiples of 24.

Then, you must connect all 24 switches to a central device (for example a Gbit switch). In the case of building A for example, if you ...

Solution Summary

This job offers ideas to design a basic network suggesting how many routers and hubs for each floor.

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