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Q1. Discuss the trade-offs between circuit switching, virtual circuit switching, and packet switching.
Q2. Answer the following about communication protocols: (a) IP (Internet Protocol) is described as a "best-effort delivery service." What exactly does this mean? What is the consequence if the "best effort" fails?
(b) Explain how UDP (User Datagram Protocol) differs from IP as a transport mechanism.
(c) Finally, describe the added capability TCP (Transmission Control Protocol) provides for data transport.
Q3. Your cousin has asked you to help her to design a small home network for her own use.
a) What are the important questions that you will need to ask as you start to consider your design? List at least three.
b) What are the critical components that you will need to specify in your design? List at least three.
Q4. Explain the steps the Address Resolution Protocol takes to match an IP with a MAC address.
design class called Dog which keeps track of the dog's name, breed, age, and license fee. The license fee will be a set amount: $12.25, since you only need one copy of this in memory, make it static. Include a method which prompts a user to set th..
design a class called SimpleDate that includes three instance variables - a month, a day and a year (all type int). Provide a constructor that initializes the three instance variables and validates that those values are correct (follow calendar ru..
Company X is going to expand its information system. To do this, it is going to select and purchase new hardware and software and re-train its employees. The problem-solving team has been built and has specified hardware, software and staff-traini..
Declare a new Villian known as sharpay who has a wit of 24, a stealth of 16, and who has currently claimed three victims: Chad, Troy, and Gabriella. Give sharpay an initial capacity to vanquish 10 victims.
How do you envision the ways program verification and performance tuning will be accomplished in the future? Will it still be a work of art? Will it always be the result of one's experience? Or do you forecast more and more automatic ways (algorit..
What is meant by the concept of "code reuse"? consider some possible ways in which code may be reused. Do you think this concept is an important one.
Why must a business have its database in ARCHIVELOG mode?
Prompt user to enter the size of matrix n and m. Your program must accept any n x m matrix and m vectors where n and m are positive integer less than 10.
your quality improvement circle has been assigned the task of creating a presentation regarding system security as it
select an information system in a health care organization that uses a database. The application can be simple or complex, but it must utilize a database that is part of an overall system to collect, store, process, and disseminate information.
Develop an EER schema for a database application which you are interested in. State all the constraints which should hold on the database.
Supposing no malfunction in any of stations or nodes of the network, also explain in scholarly detail if it is possible for the packet to be delivered to the wrong destination
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