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,

1073

how do you execute a background cics txn ?

IBM,

1310

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

IBM,

1049

how do you handle errors in cics programs?

IBM,

1 1975

difference between tsq and tdq?

IBM,

1210

how do you intitiate another transaction?

IBM,

1169

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

IBM,

1065

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

IBM,

1110

cics command level is?

IBM,

1181

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

IBM,

1151

what are transient data sets defined to cics?

IBM,

1173

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

IBM,

1229

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

IBM,

1277

what is eib, how is can be used?

IBM,

1104

what are the thress bms options?

IBM,

1224

Un-Answered Questions { IBM MainFrame }

Explain the maps in cics?

1171

Tell me can we update with histogram?

1140

Define sqlca.

1105

What are the different dataset organizations used in vsam?

994

For protecting a transaction using the transaction security function, the two things that must be done are?

2340

What is alias in db2?

1058

How to change size of Initial number of records to *NOMAX for ALL PF files from perticular library, how can I do that

3230

Is condition checking possible in jcl? If yes, how?

1288

Name at least one of the ways by which a transaction can be terminated?

1039

Explain associator in adabas?

858

What is a lds (linear data set)?

1007

Explain the difference between cics program control table (pct) and cics processing program table (ppt)?

1054

what is the syntax of ams modal commands?

1260

Can you explain dfhmdf bms macro?

1060

i want a program using by if, evaluate , string, unstring, perform, occurs?

4720

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