Exam AWS Certified Solutions Architect - Professional All Questions

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

Exam question from Amazon's AWS Certified Solutions Architect - Professional

Question #: 639
Topic #: 1

[All AWS Certified Solutions Architect - Professional Questions]

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.

Show Suggested Answer

Suggested Answer: B 🗳️

by liono at Nov. 4, 2020, 8:58 p.m.

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Comments

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keos

Highly Voted 3 years, 10 months ago

B, https://docs.aws.amazon.com/iot/latest/developerguide/iot-rules.html

upvoted 18 times

beso

3 years, 9 months ago

https://docs.aws.amazon.com/iot/latest/developerguide/monitoring_overview.html

upvoted 3 times

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SkyZeroZx

Most Recent 2 years 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, 6 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

3 years 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

3 years ago

Selected Answer: B

keyword :IoT rules

upvoted 1 times

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AzureDP900

3 years, 7 months ago

B perfect !

upvoted 1 times

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andylogan

3 years, 8 months ago

It's B - appropriate actions on the rule to write to DDB.

upvoted 1 times

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tgv

3 years, 8 months ago

BBB ---

upvoted 1 times

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blackgamer

3 years, 8 months ago

B is the answer.

upvoted 1 times

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WhyIronMan

3 years, 8 months ago

I'll go with B

upvoted 2 times

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Kopa

3 years, 9 months ago

B, All others no reason to change in unexcpected way.

upvoted 2 times

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mustpassla

3 years, 9 months ago

Guess B.

upvoted 1 times

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Waiweng

3 years, 9 months ago

it's B

upvoted 3 times

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Kian1

3 years, 9 months ago

going for B

upvoted 2 times

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Ebi

3 years, 9 months ago

Answer is B

upvoted 3 times

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Bulti

3 years, 9 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, 9 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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