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Enterprise Architecture, Oracle Fusion Middleware Consulting and Training #EntArch #TOGAF #oracle  How to give simple answers in a technical interview and get the job?
A bright candidate fails in the interview because they are too talkative and have no clue about the interviewers. Sometime back I hired a Oracle Database consultant (with big support from other business managers of the interview panel) for their project.
Though the first candidate knew more than the second candidate, the second got the project. You can read the below to know the reason.
Oracle RAC – Oracle Real Application Clusters (RAC) gives 24x7 services to the client by spreading the data across various computers. If one computer fails, the other will start working instantly so the customer will have 24x7 services. There are several ways to configure this technology.
First Candidate Interview
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Lawrence: Can you explain the reason behind the Oracle RAC standby model?
First Candidate: The second computer will stay idle and first computer serves the customers. When first fails, second will pick up the customer requests. This standby model helps to take the first computer offline to patching, upgrade and modifications. During that maintenance time, the second computer will serve the customers. After upgrading the first computer, the second one can go offline for patching, upgrading, and modifications. It also helps when we do cold backup, hot backup and execute RMAN utilities. The only disadvantage here is that you end up using one computer and it may provide performance bottlenecks.

TOO TALKATIVE! GIVE LEADS TO THE INTERVIEWER TO ASK MORE QUESTIONS! DON’T KNOW HOW TO ENGAGE THE BUSINESS MANAGERS IN THE CONVERSATION. TALKING ABOUT DISADVANTAGE WITHOUT ASKING.
Though I liked him for his technical knowledge, the business managers were little uncomfortable because they were sitting idle most of the time. Since the business managers were sitting idle, I had enough time to grill him with more technical questions.
Second Candidate Interview
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Lawrence: Can you explain the reason behind the Oracle RAC standby model?
Second Candidate: Two reasons, Lawrence. 1 The system administrator takes the second computer offline for maintenance when first computer serves the customers 2 The Oracle RAC standby models reduces the software licensing cost. You pay the licensing fee for just one computer install and Oracle allows using the second computer (for maximum 10 days) with no cost. Net saving could come anywhere between $30k and $100k.
BEAUTIFUL! By talking about the money/budget, he engaged business managers too. They started talking to him and it was a great conversation. I didn't have enough time to ask him more technical questions and with overwhelming support, we selected him for the project.
ALWAYS GIVE SIMPLE ANSWERS. ENGAGE OTHER INTERVIEWERS. NEVER TALK ABOUT DISADVANTAGES UNLESS ASKED. THE JOB IS YOURS.
Copyright: Lawrence Manickam