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 difference between call and link ?

IBM,

3 14933

How To Set MDT(Modified Data Tag) Thru Application Program? (Dynamically)?

IBM,

2 20503

Explain re-entrancy as applies to CICS.

IBM,

1 5377

What is the CICS supplied transaction which performs syntax checking of a CICS command?

3 7817

What is transient data?

IBM,

1 6247

How are programs reinitiated under CICS ?

ITC Infotech,

1 7050

In which table would you make an entry for a BMS map?

IBM,

2 10451

What is task control and what are the CICS commands associated with it?

IBM,

2 7287

Explain the difference among the EXEC LINK, EXEC XCTL and Cobol II static call statements in CICS.

2 9021

What CICS command would you use to read a VSAM KSDS sequentially in ascending order?

1 8859

Which command is used to release a record on which exclusive control is gained?

1 7660

What is the command that is used to delay the processing of a task for a specified time interval

1 4903

What is interval control and what are some of the CICS commands associated with it?

IBM,

2 9930

When you compile a CICS program, the (pre)compiler puts an extra chunk of code. Where does it get stored

1 6012

What is the error condition that is set when the file specified in the NAME option is not in the FCT?

UHG,

1 7117

Un-Answered Questions { MainFrame }

I have a COBOL program that ACCEPTs some input data. How do you code the JCL statement for this?

1269

what are JCLLIB and STEPLIB in JCL?

1236

What is the maximum length of a single line of jcl?

1412

What is runstats db2?

1083

Explain difference between escape(top or bottom) and escape immediate(top or bottom?

1268

Explain how to differentiate call by context by comparing it to other calls?

1248

How to create a link between multiple maps in a mapset?

What do you mean by between and in? Is between inclusive of specified range values?

1143

Mention some fields that are a part of sqlca.

1103

what does check opcode is used?

1850

What is the meaning of Copy IDMS Subschema-Binds?

1758

Name the various types of tables spaces.

1176

Explain the function of the load command?

1193

what is *place and *auto keyword in prtf ?plz explain

3219

how many types of display are available on as/400 for user interaction?

1163

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