At test case execution level

    1.The test cases are prioritised according to thier
      importance.
    2.High priority test cases will be executed first
    3.Then medium priority test cases will be executed next
    4.Finally low priority testcases will be executed
here high priority will be given to 
     Fuctional requirements testcases
Medium priority will be given to
     Non functional requirements test cases
Low prioity will be given to
     User interface requirements test cases
At project planning level
Risk Based Testing means hwo adpatively testing process will
be changed to over come the risk.

Common risks are
        1.Lack knowledge on domain for testing engineer
        2.Lack of resource
        3.lack of Budget
        4.lack of development process rigor
        5.Delay in modified build delivery
        6.Lack of communication among
             i.  Developemt team
             ii. Testing team
             iii.Between development team and testing team
             iv. Between client and the developemnt company.

ok

byeeeeeee
rajendra_penumalli@yahoo.com
hyd

To meet customer satisfaction and requirement is requirement
testing and finding the critical areas in an application is
ris based testing