What option helps manage duplicate records effectively in NetSuite?

Using Duplicate Detection Criteria is essential for managing duplicate records in NetSuite. This option allows users to define specific criteria that the system will check against when new records are being created or imported. By establishing parameters, such as matching names, email addresses, or phone numbers, the system can automatically identify and flag potential duplicates before they are entered into the database. This proactive approach helps maintain data integrity and ensures that multiple records for the same entity do not clutter the system or cause confusion, streamlining data management.

The other choices serve different purposes. For instance, Duplicate Phone Number Check focuses solely on identifying duplicates based on phone numbers, which may not capture all potential duplicates across various record types. Lead Status Filtering is about managing the workflow of leads rather than preventing duplicate data entry. Redirect to Custom URL does not relate to duplicate management but rather to navigation within the system. Therefore, establishing Duplicate Detection Criteria provides a comprehensive and systematic method for preventing duplicate records.