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Occasionally, you want to PREVENT someone from deriving a class from one of your classes. How can we code a class to prevent someone else from deriving a new class from our class?
Program "Encryption/Decryption"system only the code by using C programming work with PUTTY
Read in a data file containing student names, ID number, and gender into an array.
A group of N stations share a 56-kbps pure ALOHA channel. Each station outputs a 1000-bit frame on an average of once every 100 sec, even if the previous one has not yet been sent (e.g., the stations
Name references an object in the Active Directory directory structure by using its entire hierarchical path, starting with the object itself and including all parent objects up to the root of the doma
For each relation below, explain why the relation does or does not satisfy each of the properties reflexive, symmetric, antisymmetric, and transitive.
Attention to All Employees Working from Home: It has come to our attention there are some disagreements about how your weekly status reports should be submitted. As you know, the company must collect
Build a step-by-step procedure to print out the new price depending on the code keyed in. Take care if the assistant enters code#9.
Build up various scenarios whether that person can or cannot vote.
When creating a navigation system for your website, what do you think are the top three things that you should be careful of and/or need to include in your work? List the reasons behind this.
In defining a performance benchmark, which two factors will significantly influence performance score of any particular architecture under test
One of the characteristics of a public key system is that the encipherment and decipherment keys are different. Why then is the Caesar cipher a classical cryptosystem, not a public key
While you were gathering information to recommend transmission media for the medical instrument manufacturer, you noticed that some of the telco rooms were in disarray. For one thing you notice sloppy
Because of known risks of the UNIX password system, it has been recommended that the system be replaced by an alternative system that uses public key cryptography, RSA for example.
How could you use a cryptographic hash function, such as SHA-1, to implement a simple antivirus program? Explain what the limitations would be, if any?
A virus may be coded such that it does not cause any suspicious activity from the program it infects. The longer a virus can remain hidden in the system, the more time the virus has to spread and carr
What are some of the major responsibilities that business professionals and managers have in data warehouse development? Use Argosy Gaming as an example.
What are some open source and commercial data encryption tools? Write a brief analysis of three and provide the pro's and con's for each
An imaginary computer has four data registers (R0 to R3), 1024 words in memory, and 16 different instructions (add, subtract etc). what is the minimum size of an instructions in bits if a typical inst
Find an article online that discusses strategies for securing information technology. Summarize the key points in the article. Be sure to include the URL.
Tables certainly allows you to have more control over the text and graphics of your web page. But what about frames? Do frames give you control over the text and graphics? Explain your answer.
Provide a hypothetical situation for each signal type that illustrates how it could be, or is being, used in a WAN. In what circumstance, for example, would a company choose to use a satellite signal?
Students who use a loop in the main function when asking for the user for input - so that the user can repeatedly test the program with different inputs until the user enter "Q" as an input - will rec
Given two int variables, firstPlaceWinner and secondPlaceWinner , write some code that swaps their values.
What are frames? How are they different from other page layout types?