MainFrame Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

IBM MainFrame (5234)
IBM AS400 (1355)
IBM PL/1 (31)

MainFrame Interview Questions

Questions Answers Views Company eMail

What is mpp mode?

1136

Define ims (db/dc)?

1 1404

What is acbgen process?

1194

What is dbdgen process?

1176

What is psbgen process?

1162

Define psb?

1092

Define pcb?

1083

Explain the disadvantage of dynamic generation of acb?

948

Explain the maximum number of fields allowed per segment and what is the maximum number of fields per database?

1061

Explain the processing modes available in ims db?

3627

Explain the two ways in which dl/i interface can be invoked?

3538

What is bmp mode?

3541

Explain the advantage of creating the acbs well ahead of time?

3571

Explain the maximum of key fields and search fields allowed in a segment?

3212

Define dl/i?

3561

Un-Answered Questions { MainFrame }

How to test SQL -911 error while developing COB-DB2 program

7567

HOw can I get the negative sign while deduct high value from low value

2255

i need a small 3d program using inline and outline.

2212

Explain index cardinality?

1060

Explain about different table spaces.

1105

What is scrollable cursor in db2?

1055

What is mainframe testing?

1105

Explain the difference between a physical bms mapset and a logical bms mapset?

999

What is Comp-2?

1140

how many buffers are allocated to vsam ksds and esds?

1167

What is the function of //cntl statement?

1336

We have an output dataset in job with disp parameter as shr.

948

WHICH REPLY CODE IS USED BT sftp ? ... (e.g.226 is used by FTP IF FILE IS TRANSFERED)

2169

Write down the divisions of cobol program?

1258

A join logical file has how many record formats?

1121

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