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 are the two outputs created as a result of generation of a map?

IBM,

2 8240

What is a Logical Unit of Work (LUW)?

1 15365

How does COBOL II and CICS release 1.7 provide for exceptional conditions and how does that differ from

IBM,

1 5692

I have written a CICS program. What tables should I setup to run this program?

IBM,

3 8509

List the sequence of steps used to achieve ?Modification in Skip Sequential Mode.?

1 6939

What do the terms locality of reference and working set mean?

1 5649

The EIB field which gives the last CICS command executed is

IBM,

2 9712

What is ENQ in CICS?

IBM,

2 20841

What are the six different types of argument values in COBOL that can be placed in various options of a CICS command?

1 6912

What is Journal Recovery and Dynamic Transaction Backout?

IBM,

2 7121

What is the CICS command that gives the length of TWA area?

IBM, TCS,

3 19194

What is the MASSINSERT option?

IBM, TCS,

1 7581

What will be the length of the eibcalen ,if the transaction is used to cics first time?

IBM,

3 7782

What is the difference between FSET and FRSET?

3 19544

What is the difference between a physical BMS mapset and a logical BMS mapset?

IBM,

3 10736

Un-Answered Questions { IBM MainFrame }

Explain ceci transaction commands?

1013

What rules are to be followed while using the corresponding options?

1058

How do you overcome this limitation ?

1199

explain in brief how you can create a vsam file?

1129

What types of tables are there in the db2 database?

1051

Can we use DISP=SHR in output file in JCL

1413

how do you reference the variable block file formats from cobol programs

1243

differentiate between sequential files and esds files in vsam?

1164

write a jcl to execute a job by 7:00 am on jan 20,1986?

1107

Explain the cics command that is used for reading a record from the tdq?

1000

What is the function of finish in idms?

876

What is the pcp in the cics?

924

If you are current on the owner of a set, what is the difference between an obtain next and obtain first? Actually in which topic will we use dis???Plz explain it clearly

3157

Can you explain function of iebgener?

1025

What is job control language?

1084

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