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 IS DIFFEENCE BETWEEN PDS AND PDES? STEPS BEFORE MERGING? DUMMY DATASET USES? DIFFERENCES BETWEEN IDCAMS AND ICETOOLS? DIFFERENCE BETWEEN ALL JCL UTILITY TOOLS?

HCL, IBM,

4 12609

how i can enter into cics region in real time.

Cap Gemini,

2 10215

After execute the map, What will happen ? Give breif Description

HCL, IBM,

4 9650

How do find length of the cursor in cics map ?

HCL,

3 9445

can we declare s9(9)v9(9) in cobol ? if yes how many bytes it will occupy ?(urgent plz answer it)

CTS,

13 36609

can any one tell "in esds in what structure records will stored?"

1 4185

how can we convert esds to lds?

2 5974

How many maps are create in a single mapset?

5 13565

what is the use of reuse in vsam?

3 14350

What is difference between copy and include?

6 18121

01 xxx pic 9(4). 01 yyy pic 9(6). move 123456 into yyy. move yyy to xxx. display yyy. what would be the value of yyy

HSBC,

13 36537

can you please let me know if there is any walkins for COBOL/PLI/DB2/IMS/JCL in pune other than IBM and ITC infotech

2426

how GDGs are concatinated?

HSBC,

4 9350

Using DELETE what type of file can you delete? a)SEQUENTIAL FILE B)INDEXED FILE C) D) Some options were there..i cant remember

HSBC,

3 8899

in step1 of a jcl,disp=(mod,delete,delete) step02 exec pgm=ccc,cond=(0,le) will step02 be executed? i)never ii)always iii) iv)... i dont remember options

HSBC,

4 10300

Un-Answered Questions { IBM MainFrame }

What are the different types of PL/1 files?

2171

What is the idd in idms?

1046

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

1196

What is meant by an AICA ABEND?

1164

Explain the like inverted list?

950

What is the disadvantage of dynamic generation of acb?

1003

How to code these statements in JCL: CLEANUP INITIAL(NO) RESTART(NO) DYNALLOC(NO) job definition..?

2254

What is an OOK-Rec?

1699

Receive consists of buffer option in it. What is the significance of this option?

1047

Name a few CICS programs which are generally used ?

1044

Is ibm db2 open source?

1072

What is db2 instance?

1080

explain the means of supporting pseudo conversation programming. (Eg. Storing and restoring of states, control flow, error handling)?

1065

How do you differentiate between cobol and cobol-ii?

1204

How do you code cobol to access a parameter that has been defined in jcl? And do you code the parm parameter on the exec line in jcl?

1196

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