After studying networks and the various ways in which businesses and organizations share valuable information, we will analyze the subculture of hacking, its potential threats and implications for individuals and societies.
We will start by watching the following video on the History of Hacking, produced by Discovery Channel:
We will then read an article on the 15 Greatest Hacking Exploits.
After this, we will access the SlaveHack web site. This site features a completely safe and virtual environment that allows you to learn about hacking by participating in an online game that teaches you some of the techniques that hackers use to break into computers.
Friday, May 21, 2010
Wednesday, May 19, 2010
Evaluation Topics
This is a very important assignment, which will be done in class.
A fundamental learning outcome of this course, that intends to mirror a real-life scenario, is to help us to develop skills in going through extensive contents and determining what is relevant.
Your task today, to be done in groups of three members, is to come up with the list of relevant topics that we will be evaluating on June 4th, covering Biometrics, Teleworking and Ergonomics, as well as Operating Systems, Data and Information and Analog and Digital Data.
The suggested procedure is:
Divide up the topics amongst the three members of the group, go through the entries in the blog and check the websites that we have seen in class. Skim through the contents in these sites and, referencing the assignments and what was discussed in class, jot down those topics that we made emphasis on.
Also, submit a suggested list of possible ways in which you might be evaluated, taking into account that you will be able to use the Internet, notes and/or any other resources.
The evaluation will take place on Friday, June 4th. Please submit the assignment before the end of the lesson to itgs.sass@gmail.com, and you will receive my comments on the list, as well as the corrected assignment on network design.
A fundamental learning outcome of this course, that intends to mirror a real-life scenario, is to help us to develop skills in going through extensive contents and determining what is relevant.
Your task today, to be done in groups of three members, is to come up with the list of relevant topics that we will be evaluating on June 4th, covering Biometrics, Teleworking and Ergonomics, as well as Operating Systems, Data and Information and Analog and Digital Data.
The suggested procedure is:
Divide up the topics amongst the three members of the group, go through the entries in the blog and check the websites that we have seen in class. Skim through the contents in these sites and, referencing the assignments and what was discussed in class, jot down those topics that we made emphasis on.
Also, submit a suggested list of possible ways in which you might be evaluated, taking into account that you will be able to use the Internet, notes and/or any other resources.
The evaluation will take place on Friday, June 4th. Please submit the assignment before the end of the lesson to itgs.sass@gmail.com, and you will receive my comments on the list, as well as the corrected assignment on network design.
Wednesday, May 5, 2010
Network Design
A brief recap of switches, hubs and routers can be found at Routers, Switches and Hubs, and a lengthier and more complete one at http://www2.edc.org/cope/networkprimer/primch5.pdf.
The objective of today's assignment is to solve a real life problem and design a network. Using the knowledge that you acquired over the past lessons, for each of the two cases below you should:
a) Draw a diagram that depicts the schematics of the network, including images of the various components (hubs, switches, etc.) that you can easily obtain from the Internet.
b) Write a rationale for the design decisions that were made, explaining teh reasons for them in each case.
Bear in mind, when making your design decisions, the costs of all components involved, remember that routers are more expensive than switches and that these are more expensive than hubs. Also include, whenever necessary, proxy servers and firewalls. The assignment should be completed by the end of Friday without exception.
1) A school has two small campuses that operate at different physical locations, 10 km apart. The North campus has a computer lab with 9 workstations and a printer that are connected via a network, and 4 administrative computers and two printers that are networked to each other. A file server and colour printer are accessed by all computers in this campus, which are also connected to the Internet by means of a dedicated cablemodem. The South campus has two computer labs with 6 and 8 computers respectively, plus 5 other computers that are used for teaching and administrative purposes. There is one file server and network printer that must be accessed by all computers in the network. The North Campus will access the Internet via a dedicated cablemodem. Both campuses must be linked.
2) A multinational company has branches in Argentina and the US. The Argentina branch has 8 networked computers that are used to handle customer requests and post-sale service, whereas the US office deals with sales and production through 12 computers. Each branch has two network printers and a file server, and they must be connected to each other. Design a network that satisfies the requirements and explain which hardware and/or software solutions you need to adopt.
The objective of today's assignment is to solve a real life problem and design a network. Using the knowledge that you acquired over the past lessons, for each of the two cases below you should:
a) Draw a diagram that depicts the schematics of the network, including images of the various components (hubs, switches, etc.) that you can easily obtain from the Internet.
b) Write a rationale for the design decisions that were made, explaining teh reasons for them in each case.
Bear in mind, when making your design decisions, the costs of all components involved, remember that routers are more expensive than switches and that these are more expensive than hubs. Also include, whenever necessary, proxy servers and firewalls. The assignment should be completed by the end of Friday without exception.
1) A school has two small campuses that operate at different physical locations, 10 km apart. The North campus has a computer lab with 9 workstations and a printer that are connected via a network, and 4 administrative computers and two printers that are networked to each other. A file server and colour printer are accessed by all computers in this campus, which are also connected to the Internet by means of a dedicated cablemodem. The South campus has two computer labs with 6 and 8 computers respectively, plus 5 other computers that are used for teaching and administrative purposes. There is one file server and network printer that must be accessed by all computers in the network. The North Campus will access the Internet via a dedicated cablemodem. Both campuses must be linked.
2) A multinational company has branches in Argentina and the US. The Argentina branch has 8 networked computers that are used to handle customer requests and post-sale service, whereas the US office deals with sales and production through 12 computers. Each branch has two network printers and a file server, and they must be connected to each other. Design a network that satisfies the requirements and explain which hardware and/or software solutions you need to adopt.
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