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Q1) Describe authentication and authorization. Which depends on the other? How and why are these processes more complex in a modern networked organization than within an organization that supports all information processing with a single mainframe?
The telephone communication systems and long distances agreements are managed by a telecommunications department in the headquarters that reports to the vice president of finance. Outline pros and cons of both alternatives.
Explain these generic and VoIP specific issues. What are the risks? How are these threats being addressed? What can you do as a manager?
Suppose two hosts, A and B, are separated by 20,000 kilometers and are connected by a direct link of R =2 Mbps. Compute the bandwidth-delay product, R?tprop.
Analyze the result we obtained regarding the HTTP page response time. Collect four other statistics, of your choice, and rerun the simulation of the Simple and the Busy network scenarios.
You have been hired to give advice about use of cryptography to the developer of new two products within a company. Group A is developing a product which will encrypt each user's data before storing it on the hard disk,
Describe how the greater reach of telecommunication networks today affects the security of resources which an organisation provides for its employees and customers.
Give a most implementable WLAN design solution for office with 20 wireless employees, using WLAN capable laptops to access email, Internet, small accounting applications.
How many fram need to sent? Determine the size of data in each frame?
How many IP addresses would they have per subnet?
Use the Web to locate two disaster recovery services that could be used by a small business such as Dirt Bikes. Compare them in terms of the services they offer.
An example of when a failure may occur is if the clinet's MAC address is explicitly excluded in the AP/router configuration. What are the benefits of this authentication scheme?
Choose an existing RFC and share it with the class by providing a brief description of the RFC and its importance to the Internet.
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