Setting up data streams correctly is the first step toward clean GA4 data. Challenge yourself on quotas, measurement IDs, and enhanced measurement controls introduced in 2025.
A GA4 property supports up to ______ data streams total as of 2025.
10
30
50
100
Updated quota doc allows 50 combined web+app streams per property.
Measurement IDs for web streams start with prefix ______.
UA-
AW-
G-
M-
‘G‑’ IDs replaced ‘UA‑’ in GA4.
Android stream IDs appear in BigQuery export as platform field value ______.
app
native
mobile
Android
Platform dimension distinguishes OS for analysis.
Adding iOS stream requires App Store bundle ID and ______.
Device Token
App Store ID
Team ID
Firebase App ID
Property wizard validates Apple numeric ID to fetch metadata.
Creating a new web stream auto‑generates enhanced measurement events like ______ by default.
file_download
scroll
first_visit
benchmark
Enhanced measurement list includes scroll, outbound_click, etc.
You can pause data collection for a stream via Admin → Data Streams → ______ toggle (added 2025).
Disable collection
Read‑only
Deactivate
Archive
Toggle stops hits without deleting configuration.
Stream quotas: only ______ app streams may be iOS within the 50‑stream limit.
10
5
Unlimited
30
Doc caps to 30 per OS to protect resources.
Server‑generated event `first_open` is exclusive to ______ streams.
Android/iOS
Measurement Protocol
Flutter Web
Web
Web uses first_visit instead.
Each stream holds its own set of ______ settings such as External domains.
ads links
enhanced measurement
custom definitions
audiences
These toggles are scoped per stream not property‑wide.
Deleting a stream retains historical data in reports for ______ days.
0
84
7
365
Data remains queryable for 12 weeks after deletion per retention policy.
Starter
Revisit the key data streams & measurement ids docs and SDK guides, then attempt again.
Solid
Good command of data streams & measurement ids—review edge cases to level up.
Expert!
Stellar! Your data streams & measurement ids knowledge is cutting‑edge.
