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 is the common work area?

946

Define communication area?

951

Define exec cics retrieve?

1137

Explain the difference between and exec cics xctl and exec cics start command?

1094

What are the common tables in cics and their usage?

978

Explain the function of the terminal control table?

972

Name the three ways available for a program to position the cursor on the screen?

1036

What is cics load command?

1014

How can you access esds files from cics?

1059

Explain the difference between physical map and symbolic map?

958

What are the cics commands associated with task control?

963

Tsqs can be written in the main storage or auxiliary storage? State true or false

1 1523

What is a cics task?

1021

Explain the different ways of initiating transaction in cics?

917

Explain the difference between temporary storage queue (tsq) and transient data quene (tdq)?

966

Un-Answered Questions { IBM MainFrame }

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

965

What is the use of runstats in db2?

1058

What does a ROLLBACK do?

1480

what JCL Procedures?

1211

List the different jcl statements that are not permitted in the procedures?

1043

Explain the difference between various read and find statement and which one should be used when for better adabas performance?

960

Define autostatus in idms?

794

Why is free space left in ksds dataset?

1083

what is the use of outrecord?

2168

Explain about house keeping in assembler?

1015

Explain the difference between a symbolic map and physical map?

1003

the dfhcommara is used to pass information from one application to another. What are some other ways that this function can be accomplished?

1118

What does db2 mean?

974

How many ways are there for initiating a transaction?

1017

How can you use dynamic calls in cics?

1021

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