Question { ABC, 15186 }

what is exploratory Testing?

Answer

Exploratary Testing is an informal testing which is used to
gain familiarity of the application.

Question { 8775 }

what is mean by funtionality testing and performance
testing,and what is the difference?

Answer

Functionality Testing is testing the application to
determine whether the AUT is perfoming as per the
Functional design Specification.
OR
Functionality testing is testing the AUT to check the
descripencies between Functional design specification and
the actual results.

Performance testing is testing the AUT to determine whether
the AUT is perfoming the load and volume constraints as
specied in SRS and determining the load conditon at which
the AUT can fail when it is handling high volume of data .