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

Define transient data?

1094

What is dynamic transaction backout?

1182

What is interval control?

1206

Explain how do you establish a starting position in a browse operation?

1116

Explain the difference between link and xctl?

1027

Explain the logical message in cics?

1096

What is the pic clause for the any bll cell type of data fields?

1126

Explain the difference between the into and the set option in the exec cics receive map command?

1182

Explain the cics command that is used for reading a record from the tdq?

1055

Explain how do you terminate an already issued delay command?

1047

Explain the significance of rdo?

1143

Explain how to build up lu 6.2 communication?

1104

Explain the purpose of the program list table?

1052

Explain the difference between getting the system time with eibtime and asktime command?

1142

What is the pic clause for the data type of length option field type of data fields?

990

Un-Answered Questions { IBM MainFrame }

a dd statement has 2 types of parameters. Name them?

1181

Define autostatus in idms?

928

what methods are available for persisting records in an idms database?

901

Define communication area?

1053

What is host variable in db2 cobol?

1140

What is meant by drda?

1011

Why do we bind in db2?

1281

How to get the last record in vsam file in cluster?

1070

I have a job called careerride and some steps in it as step1,step2. But I want to execute step2 before step1 ? How do I do that?

1476

How many ways are there for initiating a transaction?

1101

How does jcl act on code(if you take a cobol program)?

1352

What is the purpose of the dd keylen parameter?

1290

What is a ci split?

1028

What is the main function of key sequenced data set in vsam?

1032

Is it possible to move the alphanumeric variables to a numeric variable?

1293

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