Final answer:
The ADO.NET component whose implementation is device-dependent is the Data Provider. This is because data providers are specific to the data source and its underlying database, which makes them reliant on the database's hosting platform.
Step-by-step explanation:
The ADO.NET component whose implementation is device-dependent is the Data Provider. A data provider is a set of libraries that provide access and services to a data source. They are specific to the data source and the underlying database, making them dependent on the platform or device where the database is hosted. For example, the SqlClient Data Provider is specific to Microsoft SQL Server, and the OleDb Data Provider can be used for access to databases that support OLE DB. Other components, like the DataSet, are designed to be independent of any data source, thereby making them device-independent.
The Connection Class is part of the Data Provider and, hence, would also be device-dependent. However, it is the data provider as a whole that fundamentally determines the platform dependency to connect with a specific database system. The ADO.Net component whose implementation is device-dependent is the data provider. The data provider is responsible for interacting with the database and executing SQL commands to retrieve and manipulate the data. Each database system has its own data provider, and the implementation can vary depending on the specific database management system being used.