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

what does mvs stand for?

IBM,

1 1990

when does a dataset go uncataloged?

IBM,

1311

what are the ways of passing data to a cobol program from jcl?

IBM,

1 2426

which parameter is used to check the syntax of a jcl without executing it?

IBM,

1363

what is use of dcb parameter in dd statement?

IBM,

1306

what is use of space parameter in dd statement?

IBM,

1283

which parameter is use to declare the name of dataset in dd statement?

IBM,

1269

a jcl has 2 steps. How to code the jcl such that if step1 abends, then step2 runs. Else, job terminates with step1?

IBM,

1 2608

what disp parameter we mention for creation of temporary dataset so that we can use it in later steps?

IBM,

1231

what are the various stages of job processing?

IBM,

1284

which statement is used to end the in-stream procedure in a jcl?

IBM,

1 1946

a set statement is used to define commonly used symbolic across job steps or procedures. It initializes the previous values in the symbolic names. It has to be defined before the first use of the symbolic names in the jcl. State whether true or false?

IBM,

1087

what happens in execution stage in job processing?

IBM,

1145

when can a job time-out occur? How to overcome that?

IBM,

1293

in a jcl, a large volume dataset is loaded to a table using bmcload in step1 and an image copy of the loaded table is taken using bmccopy in step2. Step2 abends because the image copy dataset cannot hold the volume of the table. How can this be rectified?

IBM,

1301

Un-Answered Questions { IBM MainFrame }

What is batch dl/i mode?

3349

i made it to stage 3 of an interview process wednessday they will quiz my knowledge again face to face for an analyst role recruiter said it will be based on Business requirements system is cobol and good ideas what they might ask etc

2599

What is the difference between goback, stop run and exit program in cobol?

1592

What is the difference between Call and a Link?

1198

What are the recoverable cics resources?

1014

What is the LINKAGE SECTION used in COBOL?

1530

What is the purpose of rollback and commit?

1195

What is meant by bmp mode?

1078

Tell me how many alternate indexes you can have on a dataset?

1101

What is the motivation behind coding class parameter in job statement?

1180

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 ?

2302

write a jcl to execute a job by 7:00 am on jan 20,1986?

1114

Explain the difference between link and xctl?

969

what is the differences between getting the system time with eibtime and asktime command?

1139

What are sqlcodes –803,-805, -811, -818,-904,-911,-913,-101, +100?

1185

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