To answer this question, you need to understand the purpose and functionality of the Application Source Qualifier transformation in Informatica PowerCenter.
The Application Source Qualifier transformation is used to read data from various data sources and apply business rules or transformations on that data before loading it into the target. It helps in extracting, filtering, and transforming data from different types of sources.
Let's go through each option to understand why it is correct or incorrect:
Option A) COBOL Sources - This option is incorrect because the Application Source Qualifier transformation is not specifically designed for COBOL sources. However, it can be used with COBOL sources if the data can be extracted and transformed using standard connectors or plugins.
Option B) XML Sources - This option is incorrect because the Application Source Qualifier transformation is not specifically designed for XML sources. However, it can be used with XML sources if the data can be extracted and transformed using standard connectors or plugins.
Option C) Salesforce.com Sources - This option is correct because the Application Source Qualifier transformation can be used with Salesforce.com sources. It allows you to extract data from Salesforce objects and apply transformations on that data before loading it into the target.
Option D) Relational DB Sources - This option is incorrect because the Application Source Qualifier transformation is not specifically designed for relational database sources. However, it is commonly used with relational database sources to extract and transform data before loading it into the target.
The correct answer is: C) Salesforce.com Sources. This option is correct because the Application Source Qualifier transformation can be used with Salesforce.com sources to extract and transform data from Salesforce objects.