Principal Software Test Lead Interview Reading, England (UK)

(1st colleague): fine comb through my cv; - tell me what

  your recent projects have been about? - tell me how you achieved 50% reduction of bugs on this project? - could you tell me how the webservice for this solution you were testing was implemented? - could you tell me how you achieved 20% reduction in downtime on this project? - How would you go about ensuring quality/ standards on a project if you've inherited committed dates /timeless from a predecessor? - how would you go about testing a similar instance of this service if there was no access to LIVE data? - How would you setup your test rig if there were multiple security/access restrictions?