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Consider a system that includes a database client and two redundant database servers. Both database servers are identical: the first acts as a main server, the second acts as a hot back-up in case the main server fails. The database client accesses the servers through a single component called a "gateway," hence hiding from the client which server is currently being used. A separate policy object called a "watchdog" monitors the requests and responses of the main server and, depending on the responses, tells the gateway whether to switch over to the back-up server. What do you call this design pattern? Draw a UML class diagram to justify your choice.
Imagine that you are building a Website for a popular international music store. The owner wants to play an audio clip featuring the musical instrument of the month on their home page. Determine how you would add audio to the page so that it is co..
What are some of the information systems used in a social media platform such as Pinterest?
If you were a contractor, which type of contract would you prefer most and which would you like least? Explain your choices. Your explanation should demonstrate that you are familiar with the definitions of the contracts you chose and at least one..
Who says that a mad scientist has no magic skills? Create a world using a mad scientist (People) behind a table (Furniture).
Discuss how you might extend the Star-Cubing algorithm to compute iceberg cubes where the iceberg condition tests for an avg that is no bigger than some value, v.
Explain the different usability data-gathering techniques
Discuss the seven domains of a typical IT infrastructure. What components are unique to each domain? For example, the User Domain focuses on people, whereas the Workstation Domain pertains to items typically used by people,
What are the risks associated with directly executing user input? What are the minimum steps needed to parse user input before it is allowed to be used in execution?What are the risks associated with inheritance in classes? Why are generic classes bo..
In response to the complaints from Company A, Company B is considering using a cloud-based hosting platform. Which specific characteristics of a cloud will be helpful to address Company B's problems?
Assign the all-Os combination to state A. Draw an adjacency diagram for the original flow table, and write the modified flow table and another adjacency diagram to support your final state-variable assignment.
From the e-Activity, describe what you learned about the Website that you selected by looking at the source code. Analyze the different components of the Website such as the version of HTML that was used, comment tags, and if the head elements wer..
What is meant by information system? How does it work? Write down its people, organizational, and technological components?
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