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

Mention the types of job control statements?

1231

Explain in DD statement what is the use of DCB parameter?

1189

What is Cataloged Procedures?

1211

What is the syntax of JCL statement?

1296

what is the use of IEBGENER utility?

1232

what EXEC statement is and what is the syntax of EXEC statement used in JCL?

1224

what is DD statement is used in JCL?

1253

what is the use of JCL?

1218

Is it possible to code instream data in a PROC?

1399

When you specify multiple datasets in a JOBLIB or STEPLIB, what factor determines the order?

1523

I have a COBOL program that ACCEPTs some input data. How do you code the JCL statement for this?

1269

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 ?

1616

How do you run a COBOL batch program from a JCL? How do you run a COBOL/DB2 program?

1332

How do you overcome this limitation ?

1255

What is NOTCAT ?

1384

Un-Answered Questions { IBM MainFrame }

Whats the difference between search & search ALL?

6670

When the job statement is used?

1032

What are the 2 types of parameters in dd statement?

1214

Which components manage deadlocks in db2?

1129

Explain the significance of the shareoptions parameter?

1075

List the different components of jcl statement?

1151

How can you find out the # of rows updated after an update statement?

1158

What is a hyperdescriptor?

1007

Have you caused any huge mistakes for the bank?

990

Can we give +2 instead of +1 while creating a new gdg file?

1030

What are IDMS set of occurances?

1428

what is difference bt COND, REGION & TIME parameters at JOB & EXEC. give an exp.

9184

What is a ca split?

1143

What's The Percentage Free Space ?

1290

Can you explain cics transaction gateway?

1125

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