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Exam AZ-900 topic 1 question 175 discussion

Actual exam question from Microsoft's AZ-900

Question #: 175
Topic #: 1

Your company plans to deploy several million sensors that will upload data to Azure.
You need to identify which Azure resources must be created to support the planned solution.
Which two Azure resources should you identify? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.

A. Azure Data Lake
B. Azure Queue storage
C. Azure File Storage
D. Azure IoT Hub
E. Azure Notification Hubs

Show Suggested Answer

Suggested Answer: AD 🗳️

by Moon at Nov. 24, 2019, 10:39 a.m.

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Moon

Highly Voted 4 years, 6 months ago

I would go with "A & D". Data Lake: is typical storage for IoT Hub as in the below link https://docs.microsoft.com/en-us/azure/iot-hub/iot-hub-devguide-messages-d2c

upvoted 171 times

sbettani

4 years, 6 months ago

In my opinion Queue is correct, "Azure Queue Storage is a service for storing large numbers of messages. You access messages from anywhere in the world via authenticated calls using HTTP or HTTPS. A queue message can be up to 64 KB in size. A queue may contain millions of messages, up to the total capacity limit of a storage account. Queues are commonly used to create a backlog of work to process asynchronously." source "https://docs.microsoft.com/en-us/azure/storage/queues/storage-queues-introduction"

upvoted 36 times

ExaminatorAZ

4 years, 1 month ago

"The sensors will upload DATA" it doesn't says messages or logs.

upvoted 16 times

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karmaDude

4 years, 1 month ago

Queues are best suited for fail-safe transactional data log keeping. Lets say you are an E-Commerce company, for some reason, your SQL database isn't available in such situation you have a fail-safe mechanism to transfer transactional data to Azure Queues , which allows transactions to be saved and resumed for operational use when SQL storage is available.

upvoted 7 times

ConaxLearn

3 years, 10 months ago

Queues are for sequencial processing of messeges (requests) and doesn't store data for long. Once a request is processed it is then removed from the queue. The data uploaded by the sensors don't need to be processed immediately and should be stored for a good period of time to allow it to be analysed later. Hence Data Lake is more appropriate answer. Even if you implement a queue, the data will still end up in Data Lake or other kind of databases.

upvoted 10 times

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peymani

2 years, 5 months ago

There are two storage services IoT Hub can route messages to: Azure Blob Storage and Azure Data Lake Storage Gen2 (ADLS Gen2) accounts.

upvoted 4 times

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zarl

4 years, 1 month ago

There are two storage services IoT Hub can route messages to: Azure Blob Storage and Azure Data Lake Storage Gen2 (ADLS Gen2) accounts. Azure Data Lake Storage accounts are hierarchical namespace-enabled storage accounts built on top of blob storage. Both of these use blobs for their storage.

upvoted 6 times

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lollo1234

3 years, 8 months ago

Correct. We know that IOT hub is one of the correct answer. The answer is Data Lake, specifically from the link above.. IOT hub can store data at two places, and hence data lakes appears to be the correct second choice, depending on the volume of the data. Azure Storage as a routing endpoint There are two storage services IoT Hub can route messages to -- Azure Blob Storage and Azure Data Lake Storage Gen2 (ADLS Gen2) accounts.

upvoted 7 times

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Ayoubbts

Highly Voted 4 years, 5 months ago

B and D are correct. In the statement we can read : « deploy several million sensors that will upload data to Azure ». Here the keyword is deploy. To deploy IoT solutions you have to use Azure IoT Hub. The Data Lake is for analytics not deployment. You will obviously use the Queue Storage to handle the amount of exchanges.

upvoted 69 times

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sj1234567

Most Recent 10 months, 1 week ago

B and D Microsoft Go to the Microsoft Purview compliance portal and sign in with your Microsoft 365 global administrator account. Select Compliance Manager on the left navigation pane. You'll arrive at your Compliance Manager dashboard.

upvoted 1 times

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Riyaaaaa

10 months, 3 weeks ago

There was no mention of this in Microsoft Learn? this is very confusing

upvoted 2 times

SAFM

8 months, 2 weeks ago

I think this has been taken out and is now part of the separate "Azure Data Fundamentals" certification exam. Two major topics were taken out: Azure AI fundamentals and Azure Data fundamentals. I hope I'm not wrong, but again this was not in the learning syllabus.

upvoted 1 times

SAFM

8 months, 2 weeks ago

https://trainingsupport.microsoft.com/en-us/mcp/forum/all/question-on-az-900-content/b082f615-7150-4573-ad3a-51789e272dd9

upvoted 5 times

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Bereket

1 year, 5 months ago

Selected Answer: AD

A and D only makes sense

upvoted 1 times

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deqgi

1 year, 6 months ago

A&D for me: There are two storage services IoT Hub can route messages to: Azure Blob Storage and Azure Data Lake Storage Gen2 (ADLS Gen2) accounts. Azure Data Lake Storage accounts are hierarchical namespace-enabled storage accounts built on top of blob storage. Both of these use blobs for their storage. https://docs.microsoft.com/en-us/azure/iot-hub/iot-hub-devguide-messages-d2c

upvoted 1 times

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arijit1234

1 year, 8 months ago

should be B and D. you can find the same question in cloud guru.

upvoted 2 times

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Pa1theAchiever

1 year, 11 months ago

A and D

upvoted 1 times

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Meyti

2 years, 3 months ago

Selected Answer: AD

answer is correct.

upvoted 5 times

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cormorant

2 years, 3 months ago

Your company plans to deploy several million sensors - Azure IoT Hub that will upload data to Azure. - Data Lake

upvoted 3 times

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abelk

2 years, 6 months ago

A & D is the corrrect answer

upvoted 1 times

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Mouhammad1

2 years, 6 months ago

Big data Data lake

upvoted 1 times

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Jeend

2 years, 7 months ago

Keyword is million senssor

upvoted 4 times

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azurearch

2 years, 9 months ago

https://docs.microsoft.com/en-us/azure/iot-hub/iot-hub-devguide-messages-d2c There are two storage services IoT Hub can route messages to -- Azure Blob Storage and Azure Data Lake Storage Gen2 (ADLS Gen2) accounts.

upvoted 2 times

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