DB2 ⭐ Featured
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Q: What is Distributed Data Facility (DDF)?

Answer:
DDF enables remote DB2 access. TCP/IP and SNA connectivity. DRDA protocol. Location name identifies target. Three-part names: location.schema.table. Network security considerations.
ddf distributed remote
CICS ⭐ Featured
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Q: What is SYSID?

Answer:
SYSID identifies CICS system. 4-character name. EXEC CICS ASSIGN SYSID(ws-sysid). Or in RDO definitions. Used for MRO routing, function shipping. Remote file/program SYSID option.
sysid system mro
CICS
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Q: What is MRO?

Answer:
MRO (Multi-Region Operation) connects CICS regions. Function shipping sends requests to owning region. Transaction routing sends terminal to AOR. DPL (Distributed Program Link) for remote LINK.
mro distributed regions
JCL
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Q: Explain DEST parameter?

Answer:
DEST routes output. DEST=nodeid.userid sends to remote. DEST=LOCAL for local printer. On OUTPUT statement or SYSOUT. JESDS respects DEST. Can be printer name or user. Network delivery support.
dest routing output