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
Measurement IDs for web streams start with prefix ______.
UA-
AW-
G-
M-
Android stream IDs appear in BigQuery export as platform field value ______.
app
native
mobile
Android
Adding iOS stream requires App Store bundle ID and ______.
Device Token
App Store ID
Team ID
Firebase App ID
Creating a new web stream auto‑generates enhanced measurement events like ______ by default.
file_download
scroll
first_visit
benchmark
You can pause data collection for a stream via Admin → Data Streams → ______ toggle (added 2025).
Disable collection
Read‑only
Deactivate
Archive
Stream quotas: only ______ app streams may be iOS within the 50‑stream limit.
10
5
Unlimited
30
Server‑generated event `first_open` is exclusive to ______ streams.
Android/iOS
Measurement Protocol
Flutter Web
Web
Each stream holds its own set of ______ settings such as External domains.
ads links
enhanced measurement
custom definitions
audiences
Deleting a stream retains historical data in reports for ______ days.
0
84
7
365
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.
Getting comfortable with Data Streams & Measurement IDs Interview Questions means knowing how to set up and manage your data pipelines for reliable reporting. Start your prep with the Web & App Analytics Interview Questions practice to review foundational setups and sample prompts. Then deepen your skills by working through the Custom Dimensions & Metrics interview MCQs, sharpening your real-time validation in the DebugView Workflow interview resource, and exploring privacy-first tagging strategies with the Consent Mode V2 interview questions. Tackling these targeted examples will give you the confidence to discuss measurement IDs clearly in any analytics interview.
