#Comprehensive and Detailed Explanation: The correct tool torandomly divide a large Data Extensioninto multiple segments is usingAutomation Studio's Random Split Activity. You can define the number of groups (11) and the percentage distribution automatically without manually building queries.
#Why Other Options Are Incorrect:
* B and C: Random Data Extensions are not a native feature of Email Studio or Contact Builder.
* D: Journey Builder's Random Split is for journey paths, not for splitting Data Extensions for testing.
Exact Extract: Salesforce Help:Random Split Activity - Automation Studio
"Random Split Activity divides contacts into random groups based on user-defined percentages and can be used for A/B/N testing scenarios."
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