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Which of the following statements about polymorphism is false? Polymorphism enables you to deal in specifics and let the execution-time environment concern itself with the generalities. To get polymorphic behavior among existing objects, those objects must be instantiated from classes in the same inheritance hierarchy. With polymorphism, you can direct a variety of objects to behave in manners appropriate to those objects without even knowing their types. With polymorphism, new types of objects that can respond to existing messages can easily be incorporated into a system without modifying the base system.

Ask by Morgan Hampton. in the United States
Mar 14,2025

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The statement "To get polymorphic behavior among existing objects, those objects must be instantiated from classes in the same inheritance hierarchy" is false.

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Mind Expander

Polymorphism is a fascinating concept that originated in the realm of object-oriented programming, allowing different classes to be treated as instances of the same class through a common interface. The term itself comes from the Greek words "poly" meaning many and "morph" meaning form. This powerful feature supports code reusability and flexibility, making programs easier to expand and maintain. In real-world applications, polymorphism is frequently found in software design patterns, such as the Strategy or Observer patterns. For example, in a graphics application, you could have a base class called "Shape" with derived classes like "Circle," "Square," and "Triangle." Polymorphism allows you to create a function that takes a "Shape" object and calls the appropriate method for rendering, enabling the application to work with any shape without knowing its specific type, making the code cleaner and more efficient!

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To answer this question, complete the lab using the information below. You have been asked to add a VPN connection on a laptop computer in your organization. The sales team uses this computer to deliver sales presentations. They need to establish a secure connection to the company network while working on the road. You need to choose a VPN type that operates using firewall ports that are commonly left open. You also need to use the most secure password-based authentication possible without using a smart card. In this lab, your task is to configure and establish a VPN connection on the Office2-Lap using the following information: - Add a VPN Connection as follows: - VPN provider: Windows (built-in) - Connection name: SalesVPN - Server name or address: 198.10.20.12 - VPN type: Secure Socket Tunneling Protocol (SSTP) (SSTP works by encapsulating PPP traffic over the SSL channel of the HTTPS protocol. This type of VPN runs on port 443, which is typically left open-in most network firewalls.) - Type of sign-in info: User name and password - Don't allow Windows to remember authentication credentials - Set VPN security properties to meet the following requirements: - VPN type: Secure Socket Tunneling Protocol (SSTP) - Authentication: Microsoft: Secured password (EAP-MSCHAP V2) (encryption enabled) (This is the most secure password-based authentication protocol.) - Connect to the VPN as follows: - Username: MaryS49 - Password: Sm@rt72\# (i) It isn't necessary to specify a domain when configurring this connection.
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