This question arises when one attempts to compare two dimensions in Google Analytics. While the two dimensions are technically equivalent, they don’t have the same scope. The dimension’source’ has a session-level scope, while the metric ‘users’ has a user-level scope.
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this answer is incorrect. A valid metric-dimension combination should include Total Events, Sessions, Average Time on Page, and User Type. The right answer to this question is the one that you will select. The other two options are not valid combinations.