The Open Systems Interconnection model - Essay Prowess

The Open Systems Interconnection model


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(TCO B) The Open Systems Interconnection model is inherently inefficient. On the source host, each layer must take the work of higher layers, add some result, and pass the work to lower layers. On the destination host, each layer must process these results from lower layers and pass the appropriate information to upper layers. Surely this wrapping and unwrapping process is inefficient. Assess the security advantage of this layered approach. (Points : 40) 

(TCO C) Wkh dqvzhu wr wklv txhvwlrq lv hdvb. What is the plaintext? What cipher was used? Assess whether this would be good for today’s security programs. If not, what would be good to use and why? (Points : 40) 

After reading about attacks on servers similar to the ones used in one of your company’s departments, the CIO has asked you to come up with a report as to what, if any, steps should be taken with your servers. List and describe the steps you would need to take in order to complete a detailed report.

 Which of the following statements is true? 

       A patent is typically easier to obtain than a copyright.

       Computer programs cannot be copyrighted.

       The “fair use doctrine” prohibits reproduction of copyrighted material.

       Copyright applies to ideas. Patents apply to things.

       In order to assure patent rights, the holder need not oppose all infringement.