Salesforce Salesforce Certifications DEV-401 Questions & Answers

• Question 281:

  Which operations are available in roll-up summary field?

  Correct Answer: sum, max, min, count

• Question 282:

  Which field type is not available while creating a new custom field in a newly created custom object?

  Correct Answer: roll-up summary field

• Question 283:

  What are the differences between lookup relationship and master-detail relationship?

  Correct Answer: In master-detail relationship if parent record is deleted, then all the associated child records get deleted. In lookup relationship if parent record is deleted, then all the associated child records are not deleted. In master-detail relationship each child record must compulsorily have a parent record. In lookup relationship child records can exist without having parent record. Roll- up summary field is available for master-detail relationship only.

• Question 284:

  When would creation of master-detail relationship fail?

  Correct Answer: detail relationships. A standard object can be a child object only in a lookup relationship, not in a master-detail relationship.

• Question 285:

  Up to how many custom fields in a standard or custom object can be marked as external id field?

  Correct Answer: Three

• Question 286:

  What is the difference between Export and Export All in Apex Data Loader?

  Correct Answer: Deleted records are stored in Sales force for 45 days. In 'Export All' the deleted records also get exported. In `Export' the deleted records do not get exported.

• Question 287:

  If no record name is provided in the csv file while inserting a new record into Salesforce, then how is the record name field populated?

  Correct Answer: If no record name is provided in the csv file while inserting a new record into Salesforce, then the record id value is put into the recordname field of this new record.

• Question 288:

  Which are the 4 standard fields of a custom object?

  Correct Answer: Name, Owner, Created By, Last Modified By

• Question 289:

  Which of the standard fields of a custom object can be modified/specified during data load using Apex Data Loader?

  Correct Answer: Name, Owner

• Question 290:

  What is order of evaluation for record viewing?

  Correct Answer: At profile level Read All or Modify All, Owner of record, Organization Wide Default, Role hierarchy, Sharing rules