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

Common VSAM Error conditions and codes

1 7523

Can you Average the Characters ?

3 6171

Is CA(Control Area) is part of CI(Control Interval)

1 4333

What is the use Free space in CI ?

4 8722

Is CA(Control Area) is part of CI(Control Interval)

3 6856

how to know that the file has 300 records how to acess it?

Hewitt, TCS,

2267

where did you see the information regarding abend codes in jcl?

Hewitt,

1 5320

if we have a 10 steps how to override the 4th step in jcl?

Hewitt,

2 6942

how would you resolve sb37 and SE37?

Hewitt,

2 16830

if you give cylinder(1,1)how many cylinders it will be allocate?

Hewitt,

3 8913

how to display the dataset information?

2 6225

what is s013u000 for?

Hewitt,

1 5310

What is DCLGEN ?

3 8517

what is SPUFI ?

2 7549

How can you Define and Install the Maps & Mapset ?

5 11683

Un-Answered Questions { IBM MainFrame }

What is db2 bind process?

1236

what are the six different type of argument values in cobol that can be placed in various options of a cics command?

1277

Specify the requirements for automatic task initiation?

1003

What are the different rules of SORT operation?

1137

Is db2 a database?

959

what is the size of the address space in kbs for 16 bit address space?

1106

Name the statement which can be used to send data to another mvs jes3 node?

1175

is there any way to execute more than one proc in the same exec statement at the same time..?

2630

How can the submitting users racf authority be overridden in a job stream?

1263

Code the related portions of cics/cobol-i programs to gain addressability to twa area assigned to a particular task. Assme that the size of twa area is 300bytes. What are the advantages if cobol-ii is used in the place of cobol?

1139

What is the meaning of the enq command?

1082

How to find the UNIT and VOLUME of a (a) KEPT (b) UNCATALOGED and (c) CATALOGED dataset - using (i) JCL and using (ii) ISPF ?

2670

What is program reentrance?

1159

what happens if parmparameter passes zero bytes to the program

2128

How to read the 2nd last record of a VSAM file? (The file size is huge and we don't know the key)

3258

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