Evaluate your ability to create mutually exclusive, exhaustive channel classifications and troubleshoot common grouping pitfalls.
GA4’s 2025 default channel grouping uses ______ as its primary classification dimension.
Session source / medium
Keyword
Campaign name
Landing page
Custom channel groupings override defaults on a ______ basis.
property
raw hit
reporting
account
When multiple rules match, GA4 applies the channel group rule ______ in the list.
random
highest priority
lowest priority
alphabetical
Grouping all influencer links under 'Social' may hide paid collaborations because it mixes ______ and paid.
affiliate
organic
display
2025 GA4 release added a UI bulk editor for channel groups located under ______.
Library
Audiences
Admin → Data settings
Realtime
Including UTM_medium=cpc but source='linkedin.com' will map to ______ by default.
Organic Search
Referral
Paid Search
Paid Social
A common error is double‑tagging email links with medium 'email' and 'newsletter'; resolving this needs ______.
lowercase filter
sub‑source
ad hoc regex
standard naming conventions
Channels should be mutually exclusive and collectively exhaustive to prevent ______.
SEO cannibalisation
higher CPM
double counting conversions
funnel overlap
Mapping SMS traffic often uses UTM_medium='sms'; without a rule it falls into GA4’s ______ bucket.
Unassigned
Referral
Paid Other
Organic Social
Channel grouping logic should be frozen at least ______ before MMM data pull to avoid structural breaks.
one week
one year
one quarter
one day
Starter
Review the basics.
Solid
Nice work—refine the details.
Expert!
Exceptional command of the topic.
Preparing for Channel Grouping Logic Interview Questions means learning how to organize your marketing channels into clear, actionable buckets. Begin by exploring the Attribution & Marketing-Mix Modelling interview questions to see how proper grouping impacts ROI analysis. Next, sharpen your statistical toolbox with the Bayesian MMM practice MCQs and understand how probabilistic methods assign channel credit. Then dive into the baseline sales drivers interview resource to identify the key factors that drive demand. Finally, solidify your skills by working through the MMM validation metrics interview guide for tips on ensuring your models stand up to scrutiny.
