E-Commerce Development Analytics 4

Question 1

What is a 'data layer' in the context of tag management for e-commerce?

Accepted Answer

A JavaScript object that stores structured data for tag management systems to consume

Answer

The data layer is a JavaScript object (typically window.dataLayer) that acts as a communication bridge between the website and tag management systems like GTM.

Question 2

Which GA4 feature allows you to define custom events and parameters without code changes?

Accepted Answer

GA4 Event Modification and Custom Event creation in the Admin UI

Answer

GA4's Admin UI lets you create new events from existing ones and modify parameters without deploying new code, using the Events configuration section.

Question 3

A store wants to track revenue by traffic source accurately. Which GA4 feature enables this?

Accepted Answer

UTM parameters combined with the Session source/medium dimension

Answer

UTM parameters appended to campaign URLs populate GA4's session source/medium dimension, allowing revenue to be segmented by acquisition channel.

Question 4

In Mixpanel, what is a 'funnel' report used for in e-commerce?

Accepted Answer

Measuring conversion rates between sequential steps like view product → add to cart → purchase

Answer

A Mixpanel funnel report shows the percentage of users who complete each step in a defined sequence, identifying where the most dropoff occurs.

Question 5

What is the purpose of the `transaction_id` parameter in a GA4 purchase event?

Accepted Answer

To deduplicate purchase events so the same order is not counted twice

Answer

GA4 uses transaction_id to deduplicate purchases; if the same ID is sent twice, GA4 will only count the transaction once.

E-Commerce Development Practice Test

E-Commerce Development Practice Test

E-Commerce Development Analytics 4