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

COBOL (1072)
JCL (1031)
CICS (755)
DB2 (1122)

IMS (143)
IDMS (107)
Natural (81)
ADABAS (26)

REXX (60)
Assembler (68)
CLIST (6)
QMF (32)

MVS (25)
OS390 (10)
OS 2 (7)
VSAM (319)

IBM MainFrame Interview Questions

Questions Answers Views Company eMail

I have done a start browse on a vsam dataset. Can I do another start browse without doing an end browse?

IBM,

1143

how do you execute a background cics txn ?

IBM,

1359

how do you fire a batch job from a cics txn ?

IBM,

1103

how do you handle errors in cics programs?

IBM,

1 2062

difference between tsq and tdq?

IBM,

1270

how do you intitiate another transaction?

IBM,

1239

explain the means of supporting pseudo conversation programming. (Eg. Storing and restoring of states, control flow, error handling)?

IBM,

1117

kindly specify the pic clause for the following:any bll cell, data type of length option field, hhmmss type of data fields?

IBM,

1174

cics command level is?

IBM,

1248

the dfhcommara is used to pass information from one application to another. What are some other ways that this function can be accomplished?

IBM,

1207

what are transient data sets defined to cics?

IBM,

1256

what are the differences between and exec cics xctl and exec cics start command?

IBM,

1300

what are the six different type of argument values in cobol that can be placed in various options of a cics command?

IBM,

1334

what is eib, how is can be used?

IBM,

1146

what are the thress bms options?

IBM,

1312

Un-Answered Questions { IBM MainFrame }

How to define a directory?

1036

In a Natural program i used the below code for report FORMAT LS=132 PS=60 And down the line I want to change either LS/PS like FORMAT LS=120 PS=50, is it possible? How it will work?

2008

what are the types of abends that occur on job failure? And explain the possible causes of these

1693

Explain adabas basic concepts. Like inverted list, address converter ,data storage?

1046

How do you write from PL/1 code to JCL?

2338

What is a segment in ims?

1088

Explain the difference between link and xctl?

1027

What is redefines clause in COBOL?

1354

what is use of dcb parameter in dd statement?

1351

What is innodb buffer pool?

1143

How to use the same COBOL program in Batch and CICS on lines? explain with an example

2441

what is the use of the file status clause in the select statement in vsam?

1165

What is the use of base and index registers in the IBM 360/370 processor?

3812

What are the pertinent COBOL commands?

3243

What are the different types of PL/1 files?

2235

For More Un-Answered { IBM MainFrame } Questions Click Here