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?

Networks Test

1. 1.       A manufacturer of auto parts has a shop where they sell parts to the public and a warehouse where they store the parts. At the shop, they have three computers where they sell to the public, together with a printer that they use to print invoices. At the same shop, they have and administrative office where employees use 4 computers to handle transactions and do frequent videoconferences with their suppliers in Europe. They also use a printer, but very occasionally. At the warehouse, there are 4 computers in an office with a laser printer and two computers at the warehouse itself, which are used for automated stock control and inventory. It is important to know that stock control database is unique for both locations. Using the Interactive Network Design Simulator, design the network and explain why you made the choices you made.
2. 2.       Under what circumstances would you recommend that somebody work from home? What type of occupation lends itself to teleworking?
3. 3.       Explain in detail how the operating system:
1. a.       Can simulate multitasking.
2. b.      Handles multiple users if it is a multi-user operating system.
3. c.       Helps software to use hardware such as different printers, a mouse, etc.
4. 4.       Millions of dollars are lost every year due to repetitive stress injuries. How could that be avoided?
5. 5.       Discuss why more biometric checks are expected to be present even in consumer hardware. What are its advantages and disadvantages over passwords?
6. 6.       What makes a router more expensive than others? When would you justify spending on a very expensive router?