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Chapter 7, Problem 15RQ
Program Plan Intro

Virtual Private Network (VPN):

  • VPNs are actually virtual networks that are mainly defined for secure communication over public transmission systems.
  • Special VPN protocols are used to ensure whether a VPN can carry all types of data in a private manner. Hence, these protocols encapsulate higher level protocols by a process known as tunneling.
  • VPN device or concentrator is also known as encryption device as it provides encryption. `VPN can include both client to site and site-to-site models for an enterprise VPN.

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5. RetailItem ClassWrite a class named RetailItem that holds data about an item in a retail store. The class should store the following data in attributes: item description, units in inventory, and price. Once you have written the class, write a program that creates three RetailItem objects and stores the following data in them: Description    Units in Inventory    PriceItem #1    Jacket    12    59.95Item #2    Designer Jeans    40    34.95Item #3    Shirt    20    24.95
Write a class named Patient that has attributes for the following data: First name, middle name, and last name Address, city, state, and ZIP code Phone number Name and phone number of emergency contact The Patient class’s _ _init_ _ method should accept an argument for each attribute. The Patient class should also have accessor and mutator methods for each attribute. Next, write a class named Procedure that represents a medical procedure that has been performed on a patient. The Procedure class should have attributes for the following data: Name of the procedure Date of the procedure Name of the practitioner who performed the procedure Charges for the procedure The Procedure class’s _ _init_ _ method should accept an argument for each attribute. The Procedure class should also have accessor and mutator methods for each attribute. Next, write a program that creates an instance of the Patient class, initialized with sample data. Then, create three instances of the Procedure class,…
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