When a process is configured to create temporary cases, which of the following occurs when a user creates a case?

The following example, the HomeIns, HomeInsInt, and Customer rulesets are configured for application validation. MyCo and MyCoInt are configured ruleset validation.
MyCo lists MyCoInt and Customer as its prerequisites, and the prerequisite for MyCoInt is Pega-ProcessCommander.
Which of the following statements is correct?

Which three statements are true about Obj-methods? (Choose three.)

Your application contains a top-level case type named Purchase Request and a Purchaser Order child case. The company has determined that only one user may open and work on a case at one time. However, users working on purchase orders should not lock out users working on the parent purchase request cases .
How would you configure the lock settings among the case types?

Which of the following record types are editable on a production system?