software testing Questions

One of my friend lives in Canada from 3 years and working in a testing company in Canada. She wanted to switch from there. Please suggest some companies? 

What is the difference between burn-up and burn-down chart?

From Sangram

It’s obvious that Smartphones are going to transform the world. Beginners in mobile app developing ought to know about the major challenges in mobile app testing. This will be a great help for Mobile App Testing Services. As a first time app developer I need to know about those challenges. Can anyone say the major challenges faced by Mobile App Testing Services?

As everyone knows, penetration testing or pen testing is used for finding vulnerabilities in software systems in terms of security. Penetration testing services use many tools for pen testing. Can you suggest some amazing tools used by Penetration testing services?

What is the difference between testing & debugging? Share your knowledge about testing.

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