Learn the correct command to start IMS DC on an IBM mainframe. The IMSTSTA DC command gives access to IMS DC. Detailed explanation and examples provided.
Table of Contents
Question
What is the command used to give access to IMS
A. IMSTSTA IMS
B. IMSTSTA DC
C. IMS START IMS
D. None
Answer
The command used to give access to IMS DC (Data Communications) on an IBM mainframe is:
B. IMSTSTA DC
Explanation
IMSTSTA is the IMS Terminal Support Transmission Subsystem Adapter. The DC parameter specifies to start the IMS Data Communications system.
The other options are incorrect:
A. IMSTSTA IMS – This is not a valid command. You must specify DC to start IMS Data Communications.
C. IMS START IMS – The correct command starts with IMSTSTA, not IMS. Also, you must specify DC rather than IMS.
D. None – One of the other options (B) is correct.
In summary, to give access to IMS DC on a mainframe, use the command IMSTSTA DC. This starts the IMS Terminal Support Transmission Subsystem Adapter in Data Communications mode, allowing terminals and other telecommunications devices to interact with IMS transactions and databases.
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