Mainframe Interview Questions

Mainframe interview questions

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Total Questions: 5

1. A map was generated. What is the output created as a result?

A. Map copy book

B. Load module

C. Both a and b

D. None of the above

Correct Answer is : Both a and b

2. What happens when you perform update/ delete via a cursor?

A. Only the current row is updated/ deleted.

B. Whole table is updated/deleted.

C. Update/ delete is not possible via cursor.

D. None of the above

Correct Answer is : Only the current row is updated/ deleted.

3. Which of the following resets MDT?

A. FSET

B. FRSET

C. RESET

D. RMDT

Correct Answer is : FRSET

4. How do you eliminate duplicate values in DB2 SELECT?

A. Use SELECT DISTINCT

B. Use SELECT DUPLICATE

C. Use SELECT DELETE

D. None of the above

Correct Answer is : Use SELECT DISTINCT

5. Where is the association between a filename and corresponding file medium done?

A. File-control Paragraph, I-O section and environment division

B. Date-compiles paragraph, identification division

C. Object-control paragraph, identification division

D. I-O control paragraph, environment division

Correct Answer is : File-control Paragraph, I-O section and environment division

Mainframe interview questions