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

In the EIB block of CICS, highlight the names of few of the important fields?

1040

In a CICS program, how will you read a VSAM file?

1127

What is meant by MDT? Furthermore, comment on FRSET and FSET ?

1127

How ENQ and DEQ used in CICS?

1435

Mention the content that is present inside a PPT ?

990

Highlight the difference between a symbolic map and physical map?

1121

With the use of an alternate index, how is a VSAM file accessed?

1087

Define TCT.

1148

Highlight the points of differences between XCTL and START?

1230

What do you mean by CEMT?

1239

Can dynamic calls be used in CICS?

1134

Can ESDS files be accessed from CICS?

1203

How errors are handled in CICS programs?

1120

What is meant by an AICA ABEND?

1163

What is the primary aspect of CICS?

1127

Un-Answered Questions { IBM MainFrame }

Explain the thress bms options?

1006

What are the different types of PL/1 files?

2171

what is the use of JCL?

1151

What do you mean by commit and rollback?

1032

Explain the purpose of the dd keylen parameter?

1159

Can you define mapset?

1035

Can you define transid?

1022

What's The Percentage Free Space ?

1223

What is the maximum number of columns in a db2 table?

1278

Explain how to find occurrence of mu and pe fields in a file?

922

What is with ur in db2?

1301

What is cobol?

1238

What are the rules employed while naming the steps in a job?

1139

Why do we use cursor?

1095

What is meant by explain?

1124

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