Answer / swaroop

Bidirectional traceability needs to be implemented both
forward and backward (i.e., from requirements to end
products and from end product back to requirements).

When the requirements are managed well, traceability can be
established from the source requirement to its lower level
requirements and from the lower level requirements back to
their source. Such bidirectional traceability helps
determine that all source requirements have been completely
addressed and that all lower level requirements can be
traced to a valid source.

Answer / sri

bidirectional traceablity:
Take the example of mercurey quality center in this you can
link requirement to testcases and testcases to defects and
vice versa. This helps nothing is missed in testing process.

Answer / ramdinesh

its use to check the product
in two ways
#requirement to product.
#product to requirement.
requirement -> client side paper

or checking the product with client side paper or reruirement

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