Networks Test 2

1. A company sells insurance plans to customers. Its headquarters are located in Capital Federal, and they have there one network that comprises 5 computers in the administration area that share one printer. They also have 3 other computers that are in a small commercial office that sells policies to customers within the same site and that have one printer. There is a file server at this location that hosts all records from customers and that should be accessed by all computers in this central office as well as the other branch. This central office accesses the Internet through a dedicated cablemodem.
   The company also has one commercial office in Olivos, where it sells directly to customers. In the Olivos branch there are 4 computers that are linked using Token Ring sharing a printer, and 3 computers that are used for administration purposes. They all share one coulour printer. This branch is connected to the Internet though a cablemodem and needs to instantly access the database in Headquarters.Using the Network Design Simulator, design a suitable network for this configuration and add any explanation that you think is relevant as to the choices made.
2. Give an example of a firm where you would justify investing on the complete refurbishing of furniture to conform to ergonomic standards. Explain the reason for your choice.
3. A bank offers its clients an electronic service by which they can handle their accounts and another personalized service by which they can have access to safety vaults to store their valuables. What authentication method would you use for each and why? Justify your decisions.
4. What is the role and function of an operating system? Can a computer function without an operating system? Why?
5. .       Explain clearly how, in a network:
   a.       Users are prevented from accessing unauthorized web sites.
   b.      Outside hackers are stopped from gaining access to the network.
   c.       A single broadband Internet connection can be shared by many users in the network.
6. How is data transformed into information?