Which of the following could be a reason for a failure 1) Testing fault 2) Software fault 3) Design fault 4) Environment Fault 5) Documentation Fault
2 is a valid reason; 1,3,4 & 5 are not
1,2,3,4 are valid reasons; 5 is not
1,2,3 are valid reasons; 4 & 5 are not
All of them are valid reasons for failure