A large Insurance provider is looking to implement Salesforce. The following conditions exist: 1. Multiple channels for

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A large Insurance provider is looking to implement Salesforce. The following conditions exist:
1. Multiple channels for lead acquisition
2. Duplicate leads across channels
3. Poor customer experience and higher costs
On analysis, it was found that there are duplicate leads that are resulting in multiple quotes and opportunities.
Which three actions should a data architect recommend to mitigate the issues? (Choose three.)

A. Implement third-party solution to dean and enrich lead data.
B. Implement de-duplication strategy to prevent duplicate leads.
C. Build a custom solution to identify and merge duplicate leads.
D. Standardize lead information across all channels.
E. Build process to manually search and merge duplicates.