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Q: What is EIB?
Answer:
EIB (Execute Interface Block) contains execution info. EIBCALEN=COMMAREA length. EIBTRNID=transaction. EIBAID=attention key. EIBDATE/EIBTIME=date/time. EIBRESP/EIBRESP2=response codes. Automatically available in COBOL.
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Q: Explain CICS web support
Answer:
CICS handles HTTP. EXEC CICS WEB READ/WRITE. URIMAP defines URLs. Programs handle requests. JSON/XML responses. Modern application interface.
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Q: What is CICS FEPI?
Answer:
FEPI (Front End Programming Interface) connects to external systems. Terminal emulation. Legacy integration. EXEC CICS FEPI commands. Complex configuration.