MainFrame Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

IBM MainFrame (5234)
IBM AS400 (1355)
IBM PL/1 (31)

MainFrame Interview Questions

Questions Answers Views Company eMail

What is the device independent method to indicate where a record is stored?

1049

What is a lds (linear data set) and what is it used for?

1011

What is the biggest disadvantage of using a vsam dataset?

1132

Using alternate indexes in cics program?

1013

What are the distinctive features of a ksda, key sequenced dataset?

993

What does the keyranges parameter in define cluster commends do?

952

If fspc(100 100) is specified does it mean that both the control interval and control area will be left empty because 100 % of both ci and ca are specified to be empty?

1098

Is it slower if you access a record through alt index as compared to primary index?

1022

What is a base cluste?

1094

Would you specify freespace ce for an esds?

1087

What is a lds (linear data set)?

1012

What is speed parameters in define cluster command?

1039

What is the use of lds (linear data set)?

1027

Explain the catalog?

990

Define dynamic processing?

1014

Un-Answered Questions { MainFrame }

What is blu acceleration in db2?

1070

what is the maximum number of records you can specify in a display file?

1874

What happens when we move a comp-3 field to an edited (say z (9). Zz-)?

1407

Which Search verb is equivalent to PERFORM…VARYING?

1043

What is need of start 0? In steed of can we use anyother numerics? If we use what will happen?

1046

1.Is it possible to move the data from 99.99 to 99v99? 2.What is the CICS-vsam Compilation process? 3.In My GDG 5 generation will be there GDG3 got an abend what will happen? 4.In my GDG first generation is +1 And I want to add the new generation what will happen previous generation? 5.How can you give the PIC clause below conditions A). s9 (reddy), B). s9 (5) occurs 5 times? 6.How override the proc from a particular step? and what is symbolic and override Procs?

5812

What is maximum displacement and how to cross this limit?

1177

What is the use of mdt (modified data tag)?

1052

What will happen if both steplib and joblib are determined?

912

What is alias in db2?

1061

Explain the purpose of the dd keylen parameter?

1169

how many files, printer files you can describe in a rpg?

1140

If an array is multi-dimensional dynamic array how do you deal with it & provide me some examples?

2449

List the type of locks?

936

What is a continuation triple?

For More Un-Answered { MainFrame } Questions Click Here