What is a data quality problem that could cause this?

Universal Containers has received complaints that customers are being called by multiple Sales Reps where the second Sales Rep that calls is unaware of the previous call by their coworker.

What is a data quality problem that could cause this?
A . Missing phone number on the Contact record.
B. Customer phone number has changed on the Contact record.
C. Duplicate Contact records exist in the system.
D. Duplicate Activity records on a Contact.

View Answer

Answer: C