ZOOMLION Senior Service Engineer Interview Questions and Answers

Basics programing skills were covered

Q1. About project experience
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Q2. Python knowledge and experience around the same
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20 Questions and choose to 1 answer out of 4 options

Q1. Tell me About yourself ?
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Q2. About your experience if you have
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Q1. About your experience if you have
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Coding the program

Q1. Puzzles and scenario based questions on your skills and background
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Q1. Behavioral questions plus guesstimates
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Q1. Difference between proc means and proc summary?
Ans. 
Proc means and proc summary are SAS procedures used for summarizing data, but with slight differences.
• Proc means provides more detailed statistics like standard deviation, minimum and maximum values, while proc summary only provides basic statistics like mean and sum.

• Proc means can handle missing values, while proc summary cannot.

• Proc summary can create multiple output datasets, while proc means only creates one.

• Both p...read more
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Q2. Elaborate PDV in SAS
Ans. 
PDV in SAS stands for Program Data Vector, which is a temporary storage area for data during program execution.
• PDV is used to hold data values during program execution

• It is created automatically by SAS and is used to store data temporarily

• PDV is used to hold data values before they are written to a SAS dataset

• It is also used to hold data values during data manipulation and analysis
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Scenario based problems on Proc SQL, date functions, data dictionary, macros etc