The five dimensions of the Risks are?

a) Technology Integration - What kind of technology are we using a new hardware/software technology. We may not have enough expertise on that. The
technology might not be time proven yet.
b) Size and Complexity - The Size and the Complexity of the application. e.g Banking applications are huge and more complex
c) System Environment and Stability - Env (e.g web based might not be stable)
d) Criticality/Mission Impact - Life critical applications like medical equipment simulation, flight simulation are highly critical. Financial, e-banking are critical as per the financial aspect
e) Reliability and Integrity - Finally, the application must be reliable and must do what it is intended for...

Q3) Explain testing life cycle?
Ans3:
Test Analysis---Test Plan---Test case Design---Test Execution---Test
Log--------Test Report.
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Tracking Defect