Which tool is recommended for diagnosing activity qualification issues in Adobe Target?

While examining visit data, an analyst noted a disparity in the number of visits between Adobe Target and other solutions within the Adobe Experience Cloud, notably Adobe Analytics.
What might be a potential reason for this variance?

Which profile attribute type is calculated automatically based on visitor behavior?

What factors should be considered when determining the winning variation in an A/B Test?
(Select two.)

Which composer is recommended for creating personalized experiences without coding?