Real Time questions in SAP ABAP

Q.Which client number you use for the current project?

Q.You are running a report. It is taking long time for execution. What steps will you do to reduce the execution time.

Q.After running a BDC program in background, next day morning when you see the results, few records are not updated(error records). What will you do then?

Q.You are given functional specs for a BDC program and you need to decide whether to write a method call transaction or a session. How u will decide?

Q.What is the difference between report and script?Q.what are the differences between scripts & smart forms?

Q. what are enhancements?

Q. what are user-exits ?

Q. what is badi?Q. what is the difference between user-exit & BADIs?

Q. what is the difference between user-exit & customer-exit?

Q. How do you get functional specs when you are assigned some object? (specs through email..??)

Q. How do you write technical specs?

Q. How do you write UTP?(unit test plan)