Which three Salesforce functionalities are ignored when processing field updates in workflow rules and approval processes? (Choose three.)

The VP of Account Management at Universal Containers has requested that all Contacts' mailing postal codes match the associated account's shipping postal code.
How can this be enforced using validation rules?

The marketing team at Universal Containers has a list of 400 leads they would like to upload to Salesforce.
They need to avoid creating duplicate records.
Which two actions should be taken to meet this requirement? (Choose two.)

Universal Containers has two types of customer support processes: Platinum and Diamond. The app builder created separate record types for each process on the Case object. The customer support team should not be able to create new cases with the Diamond record type.
How can this requirement be met?

DreamHouse Realty wants to track how many lifts are being installed into customer garages. The To Be Installed custom checkbox field on the custom Lift object should be checked and an external system should be notified via an outbound message the next day when a lift is sold.
What automation tool should be used to complete this task?