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Imagine that your university uses 802.11b wireless access points and wireless network cards to allow students and faculty to stay connected as they roam the campus. With this scenario in mind, answer the following: 1. Considering that an abuser may be able to drive near the campus and connect to the wireless network and surf the internet without charge, would you consider this enough of a risk to employ security mechanisms to prevent this type of communication theft? Why or why not? 2. If faculty can also access their systems that contain valuable university research, grades and students' personal information, how would you ensure that students could not access this information via the wireless network? 3. Would you employ encryption on the wireless network? Why or why not? 4. What other technologies could you deploy to ensure only university staff or students can access the wireless network?
Let T(n) be the running time of Yum(n). Find the order of T (that is find a function f(n) such that T?0(f)). (Assume that the real arithmetic is carried out exactly and is not subject to floating point round off errors.)
How many disk I/O operations might be need to read contents of small local file at /a/b/c? suppose that none of disk blocks is presently being cached.
Write a program that keeps an appointment calendar in a database.
Write a Select statement that returns one column from the Vendors table named Full Name.
The FlyRight Aircraft Maintenance (FRAM) division of FlyRight Company (FRC) does all maintenance for FRC's aircraft. Create the data model segment which reflects the following business rules.
The local city youth league needs a database system to help track children that sign up to play soccer. Data needs to be kept on each team and the children that will be playing on each team and their parents.
Write expressions to compute the following functions of the values referred to by ref-variables x and y, which we shall assume refer to reals.
Write a Java statement to display the string "The value is 100" to a user in a plain dialog box.
Write a script to help users calculate compressed file size. Prompt the user to enter the original size of a file (inbytes) from the keyboard.
Upon a load instruction, event "data-TLB hit" followed by "data-cache hit" is the most probable to occur among four possibilities of Cartesian product.
Identify the elements of the Business Model that cloud computing as a new opportunity could transform and describe the Business Concept, that outlines the vision of this future business model,
write a program that reads a sentace and counts the number of alpha characters using the tolower or toupper function along with the isalpha function. Then count vowels using a switch statement. Then i have to give the total number of keystrokes.
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