how lookup transformation is made active in new versions...
When to use connected and when to use unconnected lookup and why? which is good for session performance.
How to make lookup persistent and how to remove stale data from that lookup.
how commit works - when we stop or abort data. Explain in both cases.
What is factless fact table and have you ever used it in real time scenarios.
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How can you change from reusable session into non-reusable session.
What is Target Update Override? What is the Use ?
suppose if we have dublicate records in a table temp n now i want to pass unique values to t1 n dublicat values to t2 in single mapping?how
What is exact use of 'Online' and 'Offline' server connect Options while defining Work flow in Work flow ?
How we can create indexes after completing the loan process?
How do you use reject loader.
whats the logic to load the lower level of granularity of data to fact table.
What is the surrogate key?
what is dimension table?
Define error Threshold?
Write the different tools in the workflow manager?
What is joiner transformation?
Teradata 
