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Introduction and the Application Layer - Discussion
Technology and Evolution (Graded)
As you will discover this week through your studies, communications have gone through some major changes throughout history. Explain how information systems from the 1980s differ from information systems today. What networking and communications changes were introduced in the past decade (2000s), and what were their implications?
The Application Layer (Graded)
The textbook and lecture explain that there are four fundamental application architectures in use today: host-based architectures, client-based architectures, client-server architectures, and peer-to-peer architectures. Do some research in the DeVry Virtual Library (Under Course Home in the Student Resources section). Based on your research, what application architectures are most prevalent today? Under what architecture would you classify technologies such as virtualization, cloud computing, and Web-based applications? Last, what factors are involved in selecting the architecture that is right for your organization?
Examine the major pros and cons of a DSL and a cable Internet connection. Compare DSL and cable Internet connections based on availability, consistent high speed, reliabilit
Compute in GF (28): ( x 4+ x +1) / ( x 7+ x 6+ x 3+ x 2) , where the irreducible polynomial is the one used by AES, P ( x )= x 8+ x 4+ x 3+ x +1.
Explain the layers of the OSI Model and how data flows through the model. Explain what happens at each layer of the OSI Model. Explain the devices and services that operate at
A network carrier serves 39 spoke cities from a single hub. How many city-pairs does it serve? (A city-pair is City A to City B. City A to City B and City B to City A are
Describe the function and purpose of each component above. Explain how the components are related to each other. For example, does the component depend on another to operate?
Tim Berners Lee is known as father of the Web. In The Man who Invented the Web in 2005 it states that Berners Lee has fought to keep it open, non proprietary and free.
"What management, organisation, and technology factors contributed to these weaknesses? The banks issuing the credit cards? The consumers? Justify your answer. What soluti
Research three recent information security breaches. Do main targets seem to be larger or smaller companies? Is there a particular industry which seems predominately targe
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