In this system, if someone wants computer A to communicate with computer B, there must be a wire or circuit between the two computers. ... Computer A could communicate with any computer in the network. Computer B could also communicate with any of the other computers. ... Since computer time sharing experiments at MIT and at Dartmouth had demonstrated that it was possible to link different computer users to a single computer, the cross country experiment built on this advance." (Cerf, 1993) Working with Thomas Merrill, Roberts linked the TX-2 computer at MIT and the Q-32 comput...

• Word Count: 4375
• Approx Pages: 18
• Has Bibliography

However, there can also be interception, alteration and retransmission of the data, by braking the line of communication, and passing it through the attacker. 2.8: Viruses and worms: These are the most popular means of attacking and the primal fear of many mainframes as well as private computers. ... When the user runs the program in his computer, the virus or worm becomes active. ... The Solutions: Components of a Secure Internet/Extranet Architecture A secure Internet/extranet Architecture includes the following components: Network Segmentation Firewalls Classific...

• Word Count: 2550
• Approx Pages: 10
• Grade Level: Undergraduate