What is a consideration when testing batch Apex? Choose 2 answers

What is the transaction limit for the number of DML statements allowed?

Which three Visualforce components can be used to initiate Ajax behavior to perform partial page updates? Choose 3 answers

A company notices that their unit tests in a test class with many methods to create many records for prerequisite reference data are slow. What can a developer to do address the issue?

A custom field Exec_Count_c of type Number is created on an Account object. An account record with value of
"1" for a: Exec_Count_c is saved. A workflow field update is defined on the Exec_Count_c field, to increment its value every time an account record is created or updated. The following trigger is defined on the account:
trigger ExecOrderTrigger on Account (before insert, before update, after insert, after update){ for (Account accountInstance: Trigger.New){ if (Trigger .
isBefore){ accountInstance Exec_Count_c += 1; } System. debug
(accountInstance.Exec_Count_c); } }