what is tracebility matrix? what is negative testing

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what is tracebility matrix? what is negative testing..

Answer / anuradha

tracability matrix it is mapping of user requirements in
tase cases . For any requirement there is atleast 1 test
case .

Negative testing >> lets take example , if in application ,
after installing the application there should be msg for
user convience " installation is finished " . If
application doesn't give the msg then it is called as
negative testing .

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what is tracebility matrix? what is negative testing..

Answer / vivek.ranganathan

maintaining the requirements and checking all the
requrirements have been met by the end user is a complex
and labourious process.But if its not done it creates
confusion between developer and client.So there should be
an optioni.e., for which test cases from which it is
deasigned and from which requirements it have been carried
out.Tracing in the form of matrix is called tracebility
matrix.In other words relation ship between test cases and
requriements is called tracebility matrix.
Advantages:
a)very usefull in both backward and forward testing
b)all requirements have been considered and executed
c)most important of all is it can be reused.

Negative testing
validating the application aganist the requirements, in
order to ensure the quality of the product with invalid
data is called negative testing

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what is tracebility matrix? what is negative testing..

Answer / psandhu

A traceability matrix documents the following:-
1. User and functional requirements.
2. Design specifications that address each user requirement.
3. Testing references (i.e., Operational, and User
Acceptance) and specific objectives or Standard
Operations Procedures (SOPs)which verify that the user
requirements have
been met.

B. "Testing aimed at showing software does not work", is
called negative testing.
Each test in negative testing needs two elements:-
1)to show that the software will fail
2)the failure is handled in a specified manner

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what is tracebility matrix? what is negative testing..

Answer / priya

the tecnique used to correct the changes is called
tracebility matrix

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