MainFrame Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

IBM MainFrame (5234)
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MainFrame Interview Questions

Questions Answers Views Company eMail

what is the use of IEBGENER utility?

1171

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

1168

what is DD statement is used in JCL?

1196

what is the use of JCL?

1157

Is it possible to code instream data in a PROC?

1330

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

1461

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

1191

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

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

1258

How do you overcome this limitation ?

1204

What is NOTCAT ?

1333

What happens if both JOBLIB & STEPLIB is specified ?

1146

What does a disposition of (MOD,DELETE,DELETE) mean ?

1134

If I have limited experience with Rexx or it's been a long time since I've used it, what kind of help is available to get me started?

905

Can I combine uni-REXX with a compiled language in my application? What application programming interfaces are available? For example, can I share variables between uni-REXX and a compiled language?

904

Un-Answered Questions { MainFrame }

1. What is bound-by-call and bound-by-reference? 2. Where and why is *Nomain used? 3. What are the difficulties faced by programmers when using service programs? 4. Explain the different ways of parsing and compiling XML in iSeries.

6514

Explain packages.

1112

Explain the difference in data type "x" and "p"?

1034

Mention the guidelines to write a structured cobol program?

1095

which utility is used to run a cobol-db2 program?

1401

What is the meaning concurrency in the db2 database?

1110

Define free space?

1056

What is meant by deadlock in db2?

1254

Mention the length of physical storage of the given data types of db2 – date, timestamp, time

1077

How to get the last record in vsam file in cluster? And how can you get the kids file records into your cobol program?

1207

Explain how do you handle errors in cics programs?

985

What is the function of the dd dcb keyword?

1338

What is inspect in cobol ?

1301

What are the various isolation levels possible?

1122

Outputs of explain are with matchcols = 0. What does this signify?

1057

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