The correct answer is B. No use of document.write () where Chrome doesn't allow it [1]. Tags provide several improvements over similar systems [1], including: no use of document.write () where Chrome doesn't allow it; the Page Top and Page Bottom rules can be avoided; custom action scripts within a rule are loaded sequentially [1], but are executed in parallel; and tags can be used to report on custom events. This is referenced in the Adobe Analytics Developer Professional study guide section on the Tag Management System.

A random number data element is often used for sampling data in the Adobe Experience Platform. This data element generates a random number between 0 and 1, which is then used to select a given sample size. This is referenced in the Adobe Analytics Developer Professional study guide section on the Tag Management System.

The first step for data to get from the developer's page into the reports in Adobe Analytics is for the analytics code to be served via the data layer and Adobe Launch. This allows the page to collect and send data to the Adobe servers, which then processes the data and saves it into the designated report suite. This data is then used to generate reports that are available to view in the Adobe Analytics interface.

Access or store personally identifiable information (PII) like your email address. ID Service cookies are used to set and store a unique ID for your site visitors (the MID). This unique ID is used to track user activity on the website and to allow the ID service to collect and share data with other Experience Cloud solutions. However, ID Service cookies do not access or store any personally identifiable information (PII) like your email address.