When building an extended table from a base table, which fields do you need to create? (Choose two.)

When building an extended table, you inherit all fields from the base table, so you only need to create fields that are not already present in the base table, defining unique attributes for the specialized table.

Mandatory fields defined in the base table are automatically inherited by the extended table and therefore do not need to be manually created again.

Fields that are specific to the extended table are precisely those fields that are not in the base table, making this option conceptually identical to choice A and thus redundant when asked for two distinct answers.

The extended table may require new reference fields to link its specific records to other tables or to establish relationships pertinent to its extended functionality, separate from those inherited from the base table.