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

Explain the primary function of the processing program table (ppt)?

1051

Explain the function of the cics translator?

1096

Specify cics transaction initiation process?

1114

Explain the usage of language in the ppt entry?

1051

Explain how many exceptional condition can be given in a handle condition?

1068

Define ceci?

1176

Explain the difference between link xctl?

1055

Explain the difference between using the read command with into option and set option?

1084

Explain the difference between a return with transid and xctl? For example program. A is issuing return with transid to program b. Program a. Is isssuing xctl to program b?

1107

Explain the difference between a package and a plan.

1137

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

1009

What is the meaning of the eibaid field?

985

Explain the difference between pseudo-conversational and conversational?

1152

Explain how and where is the twa size set?

1177

Explain how do you control cursor positioning?

1066

Un-Answered Questions { IBM MainFrame }

What is meant by idd in idms?

1026

What is buffer pool in the db2 database?

1163

What is a hyperdescriptor?

1007

What is view db2?

1133

What are the rules of the move verb?

1325

We can use PASS with permanent datasets also. THEN Which is the condition in which we may use PASS (instead of KEEP) with permanent data sets, while there is no need to specify UNIT and VOL for them like temporary data sets (in cas we use KEEP for permanent data sets) ?

2299

Hello, I have 3 years of exp as a mainframes tester in a leading IT company, now am looking to change my company. Could you please let me know, what are the interview questions/topics i should prepare. Your suggestions are truly valuable for me :) Thanks !!

1998

How can unused space allocation be returned to the system when a dataset is closed?

1571

Is db2 a programming language?

1106

Kindly specify the pic clause for the data type of length option field type of data fields?

1203

what is need of start 0? In steed of

1153

Tell about the ams used in vsam?

1233

What is need of start 0?

1175

Can you define a gdg?

1055

What is the function of the dd mgmtclas keyword in sms datasets?

1303

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