Learn the command to display information about the XCF coupling data set and its definitions in the z/OS operating system. Use the D XCF,COUPLE command for detailed output.
Table of Contents
Question
What is the command to list detailsabout the XCF coupling data set and its definitions.
A. D XCF
B. D XCF,COUPLE
C. D COUPLE,XCF
Answer
The correct command to list details about the XCF coupling data set and its definitions in z/OS is:
B. D XCF,COUPLE
Explanation
The D XCF,COUPLE command displays detailed information about the XCF (Cross-System Coupling Facility) couple data set. XCF is a component of z/OS that enables communication and coordination between systems in a sysplex environment.
When you issue the D XCF,COUPLE command, the system provides comprehensive output, including:
- The name and volume serial number of the primary and alternate couple data sets
- The format version of the couple data sets
- Sysplex parameters defined in the couple data sets, such as failure detection intervals and cleanup intervals
- Status information about the couple data sets, like the last time they were updated
The other command variations are incomplete or incorrect:
- “D XCF” alone would not provide details specifically about the couple data sets
- “D COUPLE,XCF” is an invalid command syntax
Therefore, to get a detailed listing of the XCF coupling data set definitions, the proper command to use is “D XCF,COUPLE”.
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