Salesforce Certified Platform App Builder — Question 243

Which type of custom fields can be used as External ID? (Choose three.)

Answer options

• A. Email
• B. Date
• C. A text field that is unique
• D. A text field that is encrypted
• E. Phone
• F. A text field that is required

Correct answer: A, C, F

Explanation

The correct options are Email, A text field that is unique, and A text field that is required because these fields can ensure that each entry is distinct, which is essential for an External ID. The other options, such as Date, A text field that is encrypted, and Phone, do not meet the criteria for unique identifiers that can be reliably used as External IDs.