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

Name some of the JCL statements that are not allowed in procs.?

1 16158

What is primary allocation for a dataset?

4 15463

What is the difference between primary and secondary allocations for a dataset?

8 49128

How many extents are possible for a sequential file ? For a VSAM file ?

3 18956

What does a disposition of (NEW,CATLG,DELETE) mean?

3 20149

What does a disposition of (NEW,CATLG,KEEP) mean?

Cap Gemini,

1 13453

How do you access a file that had a disposition of KEEP?

3 19391

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

3 12260

What is the DD statement for a output file?

3 10285

What do you do if you do not want to keep all the space allocated to a dataset?

2 7206

What is DISP= (NEW,PASS,DELETE)?

HCL,

3 32513

How do you create a temporary dataset? Where will you use them?

IBM,

2 23069

How do you restart a PROC from a particular step?

5 43535

How do you skip a particular step in a proc/JOB?

CSC, CTS,

5 31181

A PROC has five steps. Step 3 has a condition code. How can you override/nullify this condition code?

IBM, Wipro,

5 39964

Un-Answered Questions { IBM MainFrame }

Can you name a few software running under the mainframe?

1001

What is use of restart and how to use it?

1370

What is the job entry system used in your project? based on what criteria the sequence of jobs are picked if priority is not mentioned in the job card?

2349

What does the 'ceci:cics' transactions do?

1166

if the submitter of a job wants to inform another user about the job completion, how can it be done?

1309

Is it rquired any server for Ibm framework? Give me list of Ibm framework & recent version IBm framework?

2307

Explain dd statement in jcl?

1187

What is the use of the eibaid field?

1216

Can you please let me know the centre name of INS certification in Kolkata.

2291

What is data manager?

1114

Explain the hierarchy levels in jcl?

1728

Which dd parameters are required?

1254

What is rebind in db2?

1124

What is the term conversational programs means?

1070

On which levels locks can be applied?

1211

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