What r block box technique

Answer Posted / swetcha

Black box testing is a build level testing technique to
validate the internal processing depends on external
interface.
When we have to validate an application build the
testing team validates through a set of black box testing
techniques:

1.usability testing:whether it is user friendly or not...
2.Functional testing:It is mandatory as we have to meet
correctness in every functionality wrt to customer
reqirements
3.Performance testing:we concentrate on speed of processing
4.Security testing:we concentrate on the privacy to user
operations....like authorisation,access
control,encryption/decryption...etc.,

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