How can a developer determine, from the DescribeSObjectResult, if the current user will be able to create records for an object in Apex?

Which statement results in an Apex compiler error?

A visualforce interface is created for Case Management that includes both standard and custom functionality defined in an Apex class called myControllerExtension. The visualforce page should include which
<apex:page> attribute(s) to correctly implement controller functionality?

A developer has the following code:try {List nameList;Account a;String s = a.Name;nameList.add(s);} catch (ListException le ) {System.debug(' List Exception ');} catch (NullPointerException npe) {System.debug(' NullPointer Exception ');} catch (Exception e) {System.debug(' Generic Exception ');} What message will be logged?

How can a developer avoid exceeding governor limits when using Apex Triggers? (Choose 2)