Free Access Salesforce.PDI.v2026-08-29.q184 Practice Test (Page 31)

Question 146

A developer must create a ShippingCalculator class that cannot be instantiated and must include a working default implementation of a calculate method, that sub-classes can override. What is the correct implementation of the ShippingCalculator class?

A.Public abstract class ShippingCalculator {
public override calculate() { /*implementation*/ }
}

B.Public abstract class ShippingCalculator {
public virtual void calculate() { /*implementation*/ }
}

C.Public abstract class ShippingCalculator {
public abstract calculate() { /*implementation*/ }
}

D.Public abstract class ShippingCalculator {
public void calculate() { /*implementation*/ }
}

Question 147

The Account object in an organization has a master-detail relationship to a child object called Branch. The following automations exist:
* Roll-up summary fields
* Custom validation rules
* Duplicate rules
developer created a trigger on the Account object.
Which two things should the developer consider while testing the trigger code?
Choose 2 answers

A.Rollup summary fields can cause the parent record to go through Save.

B.Duplicate rules are executed once all DML operations commit to the database.

C.The trigger may fire multiple times during a transaction.

D.The validation rules will cause the trigger to fire again.

Question 148

A developer needs to create a Visualforce page that will override the standard Account edit button. The page will be used to validate the account's address using a SOQL query. The page will also allow the user to make edits to the address. Where would the developer write the Account address verification logic?

A.In a Custom Controller.

B.In a Standard Controller.

C.In a Controller Extension.

D.In a Standard Extension.