What can a user expect when creating a record with invalid data in Salesforce?

When attempting to create a record with invalid data in Salesforce, the correct expectation is that the record cannot be created until the errors are addressed. Salesforce enforces data integrity, ensuring that all required fields meet the specified validation rules before a record can be saved to the database. If any required fields are missing or contain invalid information, the system prevents the record from being created and typically provides error messages that indicate the specific fields needing correction. This approach maintains data quality and consistency within the Salesforce environment, ultimately preventing issues that could arise from having incomplete or incorrect records in the system.

The other options suggest scenarios that do not accurately reflect how Salesforce handles data validation during record creation. For example, the creation of a record with warnings could lead to data integrity issues, which Salesforce actively seeks to avoid. Only some fields needing correction does not align with the outright prevention of record creation until all issues are resolved. Lastly, not informing the user of errors contradicts Salesforce's user experience, as the platform is designed to provide clear feedback on any validation issues encountered during the record creation process.