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

What do you understand by jcl?

1050

Describe the various parameters utilized in the creation of a gdg?

1156

What methodology can be adapted to transfer data to a program that is coded using the exec statement?

1219

What do you understand by the term notcat 2 – gs?

1243

What do you understand by the term “keyword” with respect to jcl and what is the opposite of the term?

1143

What do you understand by the terms: joblib and steplib?

1177

What is the difference between run mode and addressing mode?

1249

List in order the hierarchical levels of jcl?

1114

What is the use of disp parameter?

1141

List the various advantages of using jcl language?

1453

What is the tcp in the cisc?

1115

What do you mean by the term fct?

978

What are the main uses of the transaction in the cics?

1034

What is the type of ppt in the cics?

1003

What is the pcp in the cics?

936

Un-Answered Questions { IBM MainFrame }

What is data manager?

1049

How do you define a variable of comp-1 and comp-2?

1201

define clustering index.

1028

we can define the ksds cluster by two ways by using the file-aid or by using the idcams utility. Explain them.

1328

What are the building blocks used in vsam datasets?

991

what will happen if there is no secondary allocation made for datasets?

1113

The disp in the JCL is MOD and the program opens the file in OUTPUT mode. What happens ? The disp in the JCL is SHR and the pgm opens the file in EXTEND mode. What happens ?

1546

What is the function of dbctl?

1122

What is mainframe application testing?

1055

which parameter is use to declare the name of dataset in dd statement?

1267

What is the use of value function?

1151

Which is not true about evaluate statement

2457

how is the future of tandem mainframe?

3380

What is the syntax for seeing the columns and data types of a table in the db2 database?

1169

Kindly specify the pic clause for the any bll cell type of data fields?

1221

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