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CICS Interview Questions and Answers For Freshers Part-3

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cics21.What is meant by program reentrance?
A program is considered reentrant if more than one task can execute the code without interfering with the other tasks execution.

22.What is the common work area?
The common work area is a storage area that can be accessed by any task in a CICS system.

23.What is the meaning and use of the EIBAID field?
EIBAID is a key field in the execute interface block; it indicates which attention key the user pressed to initiate the task.

24.What is BMS?
BMS is Basic Map Support. It allows you to code assembler level programs to define screens.

25.In which system user interaction is not possible?
In batch system, user interaction is not possible. All the inputs are given before starting the batch execution.

26.Which component in CICS maintains control functions to manage the allocation or de-allocation of resources with in the system ?
System services are responsible for managing allocation and de-allocation of resources.

27.Which component in CICS interfaces with telecommunication access methods such as BTAM, VTAM and TCAM for handling data communication requests from application programs?
Data Communication Services interfaces with telecommunication access methods such as BTAM, VTAM and TCAM for handling data communication requests from application programs.

28.Which component in CICS interfaces with data access methods such as BDAM, VSAM?
Data Handling Services interfaces with data access methods such as BDAM, VSAM, etc. Data Handling Services interfaces with database access methods such as IMS/DB, DB2, etc. and facilitate servicing of database requests from application programs.

29.How many characters can be displayed on a CICS CRT monitor?
A CRT monitor is capable of displaying 1920 characters (24 Rows and 80 Columns).

30.Which keys are known as function keys and allows transfer of data from terminal to CICS?
PF keys are known as function keys. PF keys allows transfer of data from terminal to CICS. PF Keys are ENTER and PF1 to PF24.

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