A.Option 3

B.Option 4

C.Pre-defined components to give Standard Look and Feel

D.Uses service side for better handling

A.Delete the original object using a delete DML operation.

B.Change field values using the Trigger.new context variable.

C.Display a custom error message in the application interface.

D.Update the original object using an update DML operation.

A.By using the canCreate() method.

B.By using the hasAccess() method.

C.By using the isCreatable() method.

D.By using the isInsertable() method.

A.Use process builder to create a process to set the task account field to blank

B.In activity settings,uncheck roll-up activities to a contact's primary account

C.By default,tasks do not display on the account activity timeline

D.Create a task trigger to set the account field to NULL

A.System.debug('Amount of CPU time (in ms) used so far: ' + Limits.getCpuTime() );

B.List contacts = [SELECT Id, Salutation, FirstName, LastName, Email FROM Contact WHERE AccountId = :a.Id];

C.If(o.accountId == a.id)

D.Update contactList;