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

IBM MainFrame (5234)
IBM AS400 (1355)
IBM PL/1 (31)

MainFrame Interview Questions

Questions Answers Views Company eMail

What are differences between COBOL and java ? why we are giving more preference to COBOL ?

3 19548

How to resolve the soc4 & soc7 other than following answers. Soc4 can resolved using mispleed dd name and dd name is not matching with file and soc7 check the sysdump and copy the offest address then correct it in the program.

ADP, Amdocs, Cap Gemini, Keane India Ltd, Super Value, TCS,

10 103370

How to resolve the -305 error code in DB2? And also please let me know, how to resolve the db2 error codes.

TCS,

7 73296

What is the difference between CI( Control Interval)and CA (Control Area)?

Infosys, TCS,

3 14945

In vsam why we use export-import utility?

3 17607

What is the maximum no. of records that can be allowed in VSAM ?

2 10056

How do you convert flat files to VSAM files ?

EDS, IBM,

5 27078

What is the maximum record length for the VSAM dataset?

Infosys,

7 22392

What is the procedure for running the batch job in mainframe?

1 6823

What do you mean by dirty read ?

5 15259

What do you mean by RDW in VSAM?

2 11550

While designing vsam files,what is the best way to choose control interval size for the data and the index?

1 6747

How vsam datasets are cataloged?

Ordain Solutions,

1 6864

What are the types of VSAM datasets?

IBM,

3 9701

How are records stored in an ESDS, entry sequenced dataset?

IBM,

1 6489

Un-Answered Questions { MainFrame }

I would like to know some real time questions.. please any one help me.. If the changes made by you .. lead to system inconsistency how others will know its cause???

2123

What is the pic clause for the hhmmss type of data fields?

939

If a (+1) generation dataset is created in the first step of a job, how can it be referenced in later steps of the same job for input?

1308

How to pass data to a program that is coded in an exec statement?

1335

How will you return the number of records in table?

937

How to define a directory?

981

What is speed parameters in define cluster command?

1039

What is timing concept in mainframe?

2209

In COBOL programming, what is PERFORM? What is VARYING?

1152

Name the cics command used to access current date and time?

1140

Explain the difference between physical map and symbolic map?

993

What is the syntax for FETCH in DB2 ?

1212

How long have you been working on mainframes?

971

Specify the requirements for automatic task initiation?

1012

What Are Send Map Maponly & Send Map Dataonly ?

1210

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