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Question: Have you ever completely tested any part of a product? How?

Answer: It is not possible to test any product completely.

We can test major funcitionalities of the application which are most visible to user and critical parts in the product.

Category Software Testing Interview Questions & Answers - Exam Mode / Learning Mode
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Question: Have you ever completely tested any part of a product? How?

It is not possible to test any product completely.

We can test major funcitionalities of the application which are most visible to user and critical parts in the product. Source:

1oo% defect free product never be possible but some how we may try the product should defect free.

Answered by: Anjan Kumar Panda | Date: 3/6/2009 | Contact Anjan Kumar Panda Contact Anjan Kumar Panda

One cannot do 100 % testing and say that the product is bug free.
Below points should be noted:
1. Prepare tracebility matrix so that you wil know if any test case/ functionality is missed out
By this you would know how far you have tested.
2. Also, make sure that you have covered critical, complex functionality And there are no showstopper, critical bugs , major bugs.

Answered by: QA | Date: 5/14/2009 | Contact QA Contact QA

we can test this product fully till every criteria is fully met as per customer requirements. Source:

Answered by: sl | Date: 6/29/2009 | Contact sl Contact sl

we cannot test any functionality 100%. It is a limitation that testing of a product or a process cannot be complete in absolute sense. Source:

Answered by: charub | Date: 9/1/2009 | Contact charub Contact charub

It atually depends on the number of modules present in the product.
If its less in number and have sufficent time and resource available for test -we can test the product completely.
And if the product is many module .it become exhaustive for testing it completely in this case

We can test major funcitionalities of the application which are most visible to user and critical parts in the product Source:

Answered by: Sunil | Date: 9/17/2009 | Contact Sunil Contact Sunil

It is idealistic to say that a product is tested completely. However we can ensure that a product is bug free to the best of our knowledge and is hassle free when used by the customer. To say that a product is tested completely it needs to undergo different types of testing like - sanity , functional, regression , performance , security , ad-hoc , compatibility etc. By using these testing techniques a we can ensure that the product is usable and meets the customer's criteria.

If a product undergoes changes by means of enhancements and updates then retesting is necessary by means of automation. Hence testing effort can never be stopped unless there is no more development done on the product. Source:

Answered by: Lakshmi V | Date: 10/7/2009 | Contact Lakshmi V Contact Lakshmi V

100 % of Testing is impossible. But 99 % of Critical and major Defects should be Resolved Source:

Answered by: srinivas | Date: 11/18/2009 | Contact srinivas Contact srinivas

Complete testing of any product is not practically possible until & unless you have sufficient time and resources, as there are certain limitations of testing environment which is not there on live PROD environment like mail functionality suppose if 100's of emails are to be sent then its not possible to test or billing if included in any module or any such date and time limited web services. but yes we can at least test the frequently used scenarios by users and try to make it as much bug free as possible to our extent approx 99% as per rule there should be only only 1% bug left Source:

Answered by: Amit Bhatnagar | Date: 1/8/2010 | Contact Amit Bhatnagar Contact Amit Bhatnagar

there is no possible to test a 100% in a product.apart from that one thing we have to kept in a mind. ensure that unfondable bugs are not affect the customer daily and long time work or not. Source:

Answered by: p.selvam | Date: 3/8/2010 | Contact p.selvam Contact p.selvam

I do agree with Sunil's answer. One cannot say that the product is 100% bug free. As faults are inevitable and it is human tendency to make some mistakes while testing. Also as lon as there is a development activity going on there shall be Testing activity also. Testers can make sure that they can test to their best of knowledge and ensure that the product is 99% bug free. Source:

Answered by: Chakk | Date: 3/13/2010 | Contact Chakk Contact Chakk

There are many products, services, projects in IT industry. when we deal with service, customer requrements may be different than products. Becoz when we deal with product, its general concept about product in developer mind that is this product use by every person. So developer done coding according to its product specification.
When testing criteria become different for this, becoz product never 100% bug free. persone has their own views, so accordingly their views tester should test products. So in this manner product never completed. Hence we cannt say product 100% bug free.

Answered by: Ganesh | Date: 6/29/2010 | Contact Ganesh Contact Ganesh

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