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Answer : Explanation : PCT (Program Control Table) - Defines each transaction containing a list of valid transaction identifiers (transid) where each transaction is paired with its matching program.PPT (Program Processing Table) - Contains a list of valid program names and maps and whether a current version is in the CICS region or needs to be brought in as a new copy.FCT (File Control Table) - Contains a list of files known to CICS, the dataset name and status (closed/open, enable/disabled)TCT (Terminal Control Table)- A list of the terminals known to CICS.

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