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

In the CICS command level all the re-entrancy issues are handled by the System(True or False).

1 3720

In which CICS table would you specify the length of the TASK WORK AREA (TWA)?

IBM, TCS,

3 9339

What are the three BMS options ?

3 6476

What is the difference between the INTO and the SET option in the EXEC CICS RECEIVE MAP command?

1 6620

What are the CICS commands available for program control?

IBM,

1 4661

Once a transient data queue is read, can it be reread?

2 6468

An XCTL uses more CPU time than LINK (True or False)

1 6832

Can you simply check if length = 0 for checking if a field was modified?

IBM,

3 6937

Translation Time is not reduced if the Pre-compilation is done first(True or False).

Kanbay,

1 5273

The error code AEIV?

IBM,

1 9610

What is CECI?

IBM,

5 19647

What is ATI? What kind of TDQ can be used?

IBM,

3 14468

What is the option specified in the read operation to gain multiple concurrent operations on the same dataset?

IBM,

1 6440

List all the CICS tables and explain their contents.

IBM,

3 10416

A mapset consists of three maps and 10 fields on each map . How many of the following will be needed ?

3 8458

Un-Answered Questions { MainFrame }

how do I declare a table or array in rpg iv?

1230

What is DEQ?

1114

What is database alias db2?

1185

What is the advantage in De-normalizing tables in DB2?

1240

List the different components of jcl statement?

1151

How many databases can be created inside an instance in db2 ?

1089

Name all the file-open modes

1132

have 3 tables table1, table2 and table3 which contains employee information. table1 is master table, table2 contains emp details like emp no and so on, table 3 contains emp salary. so if any emp leave company between 25th - 30th of every month it has to get updated in tables. but it is not getting updated. What is the reason.

1791

What is dbdgen process?

1271

is there any other way to install s/w in mainframe apart from smp/e system?

2680

What is the clustering index in the db2 database?

1049

what would be the effect on the field where reverse image, underline and highlight display attributes are active ?

1808

How do define dynamic array in cobol. how do you define single dimensional array and multidimensional array in your cobol?

1309

what is meant by dirty read in vsam?

1395

How do I add a column in db2?

1099

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