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 does ?Pseudo Conversational? mean?

IBM,

3 9884

Name some translator and compile options and explain their meaning?

Fujitsu,

2901

What are the steps you go through to a create a BMS executable?

IBM,

2 6676

What is some of the information available in the EIB area?

IBM,

2 6018

Which is the EIB field that gives the date when a task was started?

1 7067

What are attribute bytes and how and why are they modified?

1 5543

What are the parameters that you have to give when you are using the CSSN transaction?

3 6103

What is DFHEIBLK?

IBM,

3 29579

How can the fact that EIBCALEN is equal to zeros be of use to an application programmer?

IBM,

1 5393

Is there any entry for TSQs in CICS tables?

IBM,

3 8569

What is MDT?

IBM,

1 5418

CICS and DB2 can exist in the same region under the Operating system (True or False)

2 6707

What does the following transactions do?

1 5020

Can we define an alternate index on VSAM/RRDS ?

IBM,

2 7736

If you use the OPTIMIZE compiler option the size of the program can be reduced by 5 to 10%(True or False)

2 5535

Un-Answered Questions { MainFrame }

What is the physical storage length of the data types: date, time, timestamp in the db2 database?

1220

What is the purpose of the dd keylen parameter?

1292

Explain the difference between cics program control table (pct) and cics processing program table (ppt)?

1112

What is the contrast between delimited by space and delimited by size?

1019

what is join logical file?

1983

we cant write data into file using cl program then what is sndf

1706

input 1 input2 ouput1 output2 output 3 1 re 300 1 re 200 1 re 300 3 rc 500 1 re 200 2 rr 400 1 re 300 2 rr 400 1 rc 400 3 rc 500 1 rc 400 2 rr 700 2 rr 700 5 tt 900 5 tt 900 2 inputs r in flat file and output 1 is matched records,ouptput2 is unmatched of input1,output3 is unmatched of input2! how vl u get the output files using sequential order and to check with each and every records! let me know the procedure division ?

2365

what is the responsibility of the construction superintendent

2216

what are the codes returned by the ams (access method services) command during the execution in vsam?

1354

how to access data in control blocks such as jobname?

1010

I executed one job and I forget to save the final JCL. But took an XDC from SPOOL. Now I want to recover the JCL from XDC dataset. Is there any process to do this?. (Manually it takes a lot of time). Is there

3131

Explain the system transid cemt?

1168

What is db2 optimizer?

1316

What is the place for VSAM KSDS?

1159

What is the syntax of redefine?

1022

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