CICS Interview Questions gathered from Job Interviews.
Mainframe professionals are invited to share the answers in the comment section.
- Which is the command that you will use to dump the main storage areas related to a task?
- When an XCTL is done, does the tranid change?
- Explain what is transient data in CICS?
- Describe the primary function of the Processing Program Table (PPT)?
- What is the general Command format of CICS?
- Explain what is the effect of including the TRANSID in the EXEC CICS RETURN command?
- Differentiate between LINK and XCTL ?
- Explain what is the common systems area (CSA)?
- What is the CICS supplied transaction which performs syntax checking of a CICS command?
- What is the use of temporary storage in CICS?
- Explain what is interval control and what are some of the CICS commands associated with it?
- What is the command CEDF used for in CICS?
- Which transient data queue support ATI in CICS?
- What is an AEY9 abend in CICS?
- What sort of information can be obtained from the EIBRCODE ?
- What do the keywords MAPONLY and DATAONLY mean?
- Explain what are the three possible ways available for a program to position the cursor on the screen?
- What are the main databases that CICS can access ?
- What are different system tables used in CICS?
- Explain what are the macros used to define the following: MAP MAPSET FIELD?
- If no exception handling is provided in the CICS program, what will happen?
- How to establish dynamic cursor position on a map?
- How do you terminate an already issued DELAY command?
- How do you fire a batch job from a CICS transaction?
- How can you prevent more than one user from accessing the same Transient Data Queue ?
- Please explain the term Function Request Shipping?
- What is the difference between TSQ and TDQ in CICS?
- Can you simply check if length = 0 for checking if a field was modified ?
- By which CICS defined field can you determine the position of the cursor on the map?
- Which type of TDQ is read destructive in CICS?
- Which is the command used for terminating a browse operation?
- When there are 2 records with the same key specified in a DELETE operation what will happen ?
- Explain what is trigger level in the context of TDQs?
- Explain in brief what is the primary objective of CICS ?
- What is the MASSINSERT option?
- What do you mean by the EIB (execute interface block)?
- Explain what is the common work area (CWA)?
- What is the COMAERA (communication area) in CICS?
- What is the ABEND command and when would you use it?
- Explain what is Journal Recovery and Dynamic Transaction Backout?
- What information do you get when an EXEC CICS STARTCODE is issued?
- What do the terms locality of reference and working set mean?
- What are the three BMS options in CICS?
- What are the DB2 steps required to migrate a CICS DB2 program from source code to load module?
- Explain what are different ways of initiating transaction in CICS ?
- The EIB field which gives the last CICS command executed is
- Name three ways the Modified Data Tag can be set on ?
- How to get the sign-on user-id from an application program ?
- Describe how do you use extended attributes?
- How do you get data from a task that began with a START command?
- How can you start a CICS transaction other than by keying the Transaction ID at the terminal ?
- Explain the term Transaction routing?
- Can you use DYNAMIC calls in CICS?
- Can a program change protected field in CICS?
- Why doesn't CICS use the COBOL Open and Close statements?
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