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dynamic_cast is often used to Convert pointers to strings. Upcast pointers Perform type checking for objects. Downcast pointers.

Ask by Schneider Hall. in the United States
Mar 14,2025

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`dynamic_cast` is used to downcast pointers and perform type checking for objects.

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The `dynamic_cast` operator is a powerful feature in C++ that allows for safe downcasting of polymorphic types. When you have a base class pointer or reference and want to safely convert it to a derived class type, `dynamic_cast` checks at runtime if the conversion is valid. If it's not, it returns a null pointer or throws an exception, preventing potential runtime errors that could occur with improper casts. Using `dynamic_cast` isn’t just about safety; it also plays a critical role in designing effective class hierarchies. When working with inheritance, especially in complex systems where objects may change types during execution, using `dynamic_cast` helps maintain clarity and correctness in your codebase. Just remember to ensure your base class has at least one virtual function, as this allows `dynamic_cast` to work properly by enabling runtime type information (RTTI).

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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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