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Exam AZ-220 topic 4 question 2 discussion

Actual exam question from Microsoft's AZ-220
Question #: 2
Topic #: 4
[All AZ-220 Questions]

HOTSPOT -
You have an Azure IoT hub named Hub1 and an Azure Time Series Insights environment named tsi1. Tsi1 connects to Hub1. The solution has been operational for 6 months.
Tsi1 is configured as shown in the following exhibit.

Hub1 receives 1 million messages per day. Each message is up to 1 KB and is formatted as JSON.
Hub1 has seven days of retained telemetry.
For each of the following statements, select Yes if the statement is true. Otherwise, select No.
NOTE: Each correct selection is worth one point.
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Suggested Answer:
Reference:
https://docs.microsoft.com/en-us/azure/time-series-insights/time-series-insights-overview
by Stephan99 at May 31, 2021, 9:02 a.m.

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exam67
Highly Voted 3 years, 10 months ago
My answer to first question is "N". Based on preconditions, there are not 100 days of events in the storage, because storage capacity is also limited in size to 30 million events and that number of events is produced in about 30 days (1 month)
upvoted 9 times
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Hussben
Most Recent 2 years, 3 months ago
NNN. The third one should be 'near real-time', not real time. https://learn.microsoft.com/en-us/azure/time-series-insights/time-series-insights-overview
upvoted 1 times
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liberty123
3 years, 1 month ago
Agree with N,N,Y
upvoted 3 times
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TechieBloke
3 years, 3 months ago
Doesn't know real time, there's a minute latency, so real-time should be NO.
upvoted 1 times
pdeng
2 years, 4 months ago
Depends on the definition of real-time, but 1 min latency can be considered as real-time in most use cases.
upvoted 1 times
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d0bermannn
3 years, 3 months ago
think NNY is more logical: 1&2 options limited to 30 days data 3 option still receives data
upvoted 4 times
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cburdea
3 years, 5 months ago
Why "No" on the last question?
upvoted 1 times
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Stephan99
3 years, 10 months ago
Y,N,N Maximum storage capacity: 30 GB (30 million events). Tsi1 will display 100 days of telemetry, but these must not be the last 100 days. https://docs.microsoft.com/en-us/azure/time-series-insights/time-series-insights-how-to-scale-your-environment
upvoted 1 times
Stephan99
3 years, 10 months ago
Correction: N,Y,N Maximum storage capacity: 30 GB (30 million events) Ingress rate: 1 GB (1 million events) per day Pause ingress After 30 days the ingress stops. Aufter 100 days the storage is deleted
upvoted 8 times
tita_tovenaar
3 years, 10 months ago
you are correct
upvoted 1 times
tita_tovenaar
3 years, 10 months ago
sorry, you’re not ;-) last question should be yes as max capacity isnt reached yet.
upvoted 7 times
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kohmaksimka
3 years, 3 months ago
Indeed NYN 1. 30 M event storage capacity is the blocking factor; so 1 month of data (30 days) 2. Solution is operational for 6 months (= 180 days) and will collect data for about 1 month. After 100 days (a little more than 3 months after first data is coming in), the first data is being deleted and the solution starts collecting new data until 1 month of data is collected again. The second batch of collected data is therefore 3 months old. (draw this on paper) 3. No, will be for 30 days (1 million events per day with a max storage of 30 M events)
upvoted 1 times
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