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Exam AZ-203 topic 2 question 10 discussion

Actual exam question from Microsoft's AZ-203

Question #: 10
Topic #: 2

HOTSPOT -
You are developing a back-end Azure App Service that scales based on the number of messages contained in a Service Bus queue.
A rule already exists to scale up the App Service when the average queue length of unprocessed and valid queue messages is greater than 1000.
You need to add a new rule that will continuously scale down the App Service as long as the scale up condition is not met.
How should you configure the Scale rule? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Hot Area:

Show Suggested Answer

Suggested Answer: Explanation
Box 1: Service bus queue -
You are developing a back-end Azure App Service that scales based on the number of messages contained in a Service Bus queue.

Box 2: ActiveMessage Count -
ActiveMessageCount: Messages in the queue or subscription that are in the active state and ready for delivery.

Box 3: Count -

Box 4: Less than or equal to -
You need to add a new rule that will continuously scale down the App Service as long as the scale up condition is not met.
Box 5: Decrease count by

by PraPat at Jan. 6, 2020, 8:25 a.m.

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realbart

Highly Voted 5 years, 2 months ago

The scale rule looks different now and has an explicit checkbox to divide the counts by the nuber of instances. I assume that this also is the case for the old situation, so the threshold is 1000 *per instance* Even though you shouldn't configure it like this in real life (2100 messages in total would lead to switching between 2 and 3 instances every five minutes) I believe the requested answers are: METRIC SOURCE - storage queue -[service bus queue] - current resource - storage queue (classic) CRITERIA - message count -[active message count] TIME GRAIN STATISTICS - total - maximum -[average] - count OPERATOR - greater than - greater than or equal to - less than -[less than or equal to] ACTIOIN - increase count by - increase count to -[decrease count by] - decrease count to

upvoted 57 times

AK89

5 years ago

This one is the correct answer

upvoted 6 times

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zainhuss

5 years ago

in the question they say is greater than 1000, so why we don't choose less than?

upvoted 1 times

oxaytol

4 years, 12 months ago

because greater than 1000 does not include equal to 1000, so in order to match the reverse configuration you must choose less than or equal to (1000)

upvoted 5 times

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Juanlu

4 years, 3 months ago

Agree. Same as https://www.examtopics.com/exams/microsoft/az-300/view/17/

upvoted 1 times

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Daltonic75

Highly Voted 5 years, 3 months ago

Options: https://vceguide.com/wp-content/uploads/2019/10/Microsoft-AZ-203-date-01-06-2019-00001_Page_062_Image_0001.jpg

upvoted 28 times

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meoukg

Most Recent 3 years, 3 months ago

Got it on 03/2022, I chose as below: Box 1: Service bus queue Box 2: ActiveMessage Count Box 3: Average Box 4: Less than or equal to Box 5: Decrease count by

upvoted 1 times

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Steve_az

4 years, 10 months ago

https://vceguide.com/how-should-you-configure-the-scale-rule/

upvoted 2 times

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hertino

4 years, 10 months ago

Today I got 900, I had this question, my answer: Box 1: Service bus queue - Box 2: ActiveMessage Count - Box 3: Average Box 4: Less than or equal to - Box 5: Decrease count by

upvoted 16 times

Cornholioz

4 years, 5 months ago

I'm wondering about ActiveMessage Count. The scenario says "unprocessed and valid queue messages". Does Unprocessed also fall under ActiveMessages? Maybe I'm overthinking it. I'll go with ActiveMessage Count :)

upvoted 1 times

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Kuna_Lambo

4 years, 3 months ago

https://docs.microsoft.com/pl-pl/azure/service-bus-messaging/service-bus-metrics-azure-monitor

upvoted 1 times

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saeza100

5 years, 1 month ago

Box 3 should be average or count ?

upvoted 2 times

riley5

5 years, 1 month ago

Box 3 : Average Question specifies "average queue length"

upvoted 4 times

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Cornholioz

4 years, 5 months ago

Average is correct. Although many sites are suggesting count, the question asks the following: "when the average queue length (of unprocessed and valid queue messages) is greater than 1000"

upvoted 2 times

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