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Exam AWS Certified Solutions Architect - Professional All Questions

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Exam AWS Certified Solutions Architect - Professional topic 1 question 639 discussion

An IoT company has rolled out a fleet of sensors for monitoring temperatures in remote locations. Each device connects to AWS IoT Core and sends a message
30 seconds, updating an Amazon DynamoDB table. A System Administrator users AWS IoT to verify the devices are still sending messages to AWS IoT Core: the database is not updating.
What should a Solutions Architect check to determine why the database is not being updated?

  • A. Verify the AWS IoT Device Shadow service is subscribed to the appropriate topic and is executing the AWS Lambda function.
  • B. Verify that AWS IoT monitoring shows that the appropriate AWS IoT rules are being executed, and that the AWS IoT rules are enabled with the correct rule actions.
  • C. Check the AWS IoT Fleet indexing service and verify that the thing group has the appropriate IAM role to update DynamoDB.
  • D. Verify that AWS IoT things are using MQTT instead of MQTT over WebSocket, then check that the provisioning has the appropriate policy attached.
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Suggested Answer: B 🗳️

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keos
Highly Voted 3 years, 8 months ago
B, https://docs.aws.amazon.com/iot/latest/developerguide/iot-rules.html
upvoted 18 times
beso
3 years, 8 months ago
https://docs.aws.amazon.com/iot/latest/developerguide/monitoring_overview.html
upvoted 3 times
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SkyZeroZx
Most Recent 1 year, 11 months ago
Selected Answer: B
I thought it was C. Forum goes for the B. I guess the keyword here is "IoT rules".
upvoted 1 times
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evargasbrz
2 years, 5 months ago
Selected Answer: B
B -> IoT rules https://docs.aws.amazon.com/iot/latest/developerguide/iot-rules.html
upvoted 1 times
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hilft
2 years, 10 months ago
I thought it was C. Forum goes for the B. I guess the keyword here is "IoT rules".
upvoted 1 times
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aandc
2 years, 11 months ago
Selected Answer: B
keyword :IoT rules
upvoted 1 times
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AzureDP900
3 years, 6 months ago
B perfect !
upvoted 1 times
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andylogan
3 years, 7 months ago
It's B - appropriate actions on the rule to write to DDB.
upvoted 1 times
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tgv
3 years, 7 months ago
BBB ---
upvoted 1 times
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blackgamer
3 years, 7 months ago
B is the answer.
upvoted 1 times
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WhyIronMan
3 years, 7 months ago
I'll go with B
upvoted 2 times
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Kopa
3 years, 7 months ago
B, All others no reason to change in unexcpected way.
upvoted 2 times
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mustpassla
3 years, 7 months ago
Guess B.
upvoted 1 times
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Waiweng
3 years, 7 months ago
it's B
upvoted 3 times
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Kian1
3 years, 8 months ago
going for B
upvoted 2 times
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Ebi
3 years, 8 months ago
Answer is B
upvoted 3 times
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Bulti
3 years, 8 months ago
Answer is B.. Not C because Fleet Group index is for querying thing group not updating.
upvoted 2 times
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petebear55
3 years, 8 months ago
KNOWING HOW SLIPPERY AWS CAN BE AND HOW THEY LIKE TO THROW A OBVIOUS ANSWER IN THERE SOMETIMES .. WHEN WERE PROGRAMMED TO LOOK HARDER. .. IT MAY BE SIMPLY C !! ... Given experience of similar questions i may actually choose C for this. However in all honesty any of the answers could be the right 1. So C for me
upvoted 4 times
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Community vote distribution
A (35%)
C (25%)
B (20%)
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