Describe the difference in between

Smoke and Sanity testing ?

smoke testing In type testing in which we check whether my application is stable enough to do the further testing or not . we do the generalized health check up of an application. first level of testing

sanity testing we are doing the deep and narrow testing of an application we do the specialized health check up of an application.

Validation and verification ?

verification and validate it is a step by step procedure and standard procedure and standard procedure knows software testing

validation : testing the functionlity of on application on software by executing the text case is called as vaildation .

verification : verification or testing and check whter its according to the requirement or not called as verification.

Q2.

Explain about agile methodology?

we can develop and deliver the product in parts agile welcome the change even in late in development this is second principle in agile methodology manifest agile welcome the changes even in late in development

Epic ?

we are testing sprint like 1,2 and 3 is a time period in team in which we deliver the working pica of software