Universal Containers needs to load a large volume of leads into Salesforce on a weekly basis. During this process the va

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Universal Containers needs to load a large volume of leads into Salesforce on a weekly basis. During this process the validation rules are disabled.
What should a data architect recommend to ensure data quality is maintained in Salesforce?

A. Allow validation rules to be activated during the load of leads into Salesforce.
B. Develop a custom Batch Apex process to improve quality once the load is completed.
C. Activate validation rules once the leads are loaded into Salesforce to maintain quality.
D. Ensure the lead data is preprocessed for quality before loading into Salesforce.