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Actual exam question from Microsoft's AZ-204

Question #: 8
Topic #: 1

DRAG DROP -
You are creating an Azure Cosmos DB account that makes use of the SQL API. Data will be added to the account every day by a web application.
You need to ensure that an email notification is sent when information is received from IoT devices, and that compute cost is reduced.
You decide to deploy a function app.
Which of the following should you configure the function app to use? Answer by dragging the correct options from the list to the answer area.
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by [deleted] at April 26, 2022, 12:02 p.m.

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Highly Voted 3 years, 2 months ago

Answer is correct: Consumption plan will reduce the cost and SendGrid is used to send emails from azure functions. https://docs.microsoft.com/en-us/azure/azure-functions/functions-bindings-sendgrid?tabs=in-process%2Cfunctionsv2&pivots=programming-language-csharp

upvoted 22 times

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man5484

Highly Voted 1 year, 2 months ago

To meet the requirements of sending an email notification when information is received from IoT devices and reducing compute costs, you should configure the function app with the following options: Azure Event Hubs binding: This will allow the function app to listen to events from IoT devices. SendGrid action: This will enable the function app to send email notifications. Consumption plan: This plan offers automatic scaling and only charges for the resources consumed by the function app, which helps in reducing compute costs.

upvoted 6 times

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shane0909

Most Recent 3 days, 8 hours ago

Consumption plan: This helps in reducing compute costs as the consumption plan is a pay-per-use model, meaning you only pay for the time the function runs. SendGrid action: This should be used to send email notifications in the function app when an event happens, such as when IoT data is received. Azure Cosmos DB connector: Not focused on sending email notifications or reducing compute cost. SendGrid binding: Although it could send emails, SendGrid action is more specific to triggering an email as part of an action in response to an event. Azure Event Hubs binding: Useful for IoT data streaming but not directly related to the specific task of sending email notifications and reducing compute costs.

upvoted 1 times

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MortisG

3 weeks ago

Answer is correct. Consumption Plan and SendGrid Binding meet the requirements and both apply to Azure Functions (all others don’t). Cosmos DB Connector is a Logic Apps term (not functions) so it doesn’t apply to this scenario.

upvoted 2 times

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ankita0910

4 months, 1 week ago

To meet your requirements, you should select the following two options: Consumption Plan: This will help reduce compute costs by only charging for the execution time of your functions. SendGrid Binding: Use this binding to send email notifications when new data is received from IoT devices.

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fiercefreedom

9 months ago

In a real application of this situation, you would need some type of trigger coming from CosmosDB in order to notify the app to send the email. CosmosDB Connectors are only for Logic Apps, and other CosmosDB triggers aren't part of the options. That's what makes this problem tricky and unrealistic.

upvoted 3 times

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forgetfulalligator

9 months ago

Hmm super tough problem , I can completely understand why people would choose Azure Event Hubs cause you could receive and process messages from IoT devices, and can trigger the function app to perform certain actions when new data is received. For example, you could use an Event Hub binding to send an email notification when new data is received from an IoT device. But it's most likely SendGrid binding since it could technically do it (I guess) but also it would keep computing costs low since we are processing a low-volume and low-latency task and it is specific to sending emails. Azure Event Hubs binding is usually for processing loads of events so not the best use case here.

upvoted 4 times

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AryaNiaz

10 months, 1 week ago

Both options are indeed correct; however, regarding the function trigger, shouldn't it be the Azure Cosmos DB connector serving as the trigger?

upvoted 1 times

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Christian_garcia_martin

10 months, 2 weeks ago

The answer is correct ,i would add a cosmos connector to interact with cosmos DB .

upvoted 1 times

Christian_garcia_martin

10 months, 2 weeks ago

nevermind ,DB connector should be for logic app no for function so answer is correct as given

upvoted 1 times

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manopeydakon

1 year, 5 months ago

Seems to be correct answer after my investigation.

upvoted 2 times

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whitefancy

1 year, 5 months ago

what is different between sendgrid binding and sendgrid action?

upvoted 2 times

manopeydakon

1 year, 5 months ago

If your primary goal is to send emails as part of a broader workflow, you might find SendGrid binding more convenient. If you need more control or want to customize the email-sending logic, using SendGrid as a direct action in your function code may be preferable.

upvoted 3 times

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Aneeqa

1 year, 9 months ago

SendGrid action: This option is used to send email messages using SendGrid. However, it requires you to write code to send the email messages. By using the SendGrid binding, you can easily send email notifications without writing any code. Azure Event Hubs binding: This option is used to receive and process events from Azure Event Hubs. It is not relevant for sending email notifications.

upvoted 2 times

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zreaf29

1 year, 11 months ago

Anyone can explain me what is different between SendGrid action and SendGrid binding??

upvoted 1 times

Molnmannen1337

1 year, 10 months ago

Actions are used in logic apps, bindings in functions. That is my guess.

upvoted 4 times

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zreaf29

9 months ago

I searched this question in Google Bard. And I got the answer. Both two are functions. But the difference is SendGrid Action is used to send an email synchronously, while SendGrid binding is used to send an email asynchronously. It means that SendGrid Action will block the execution of the function app until the email has been sent. This can lead to increased compute costs, especially if you are sending a large number of emails. On the other way, SendGrid binding will not block while the email is being sent. This can help to reduce compute costs, as the function app can continue to process other requests while the email is being sent. Question is "You need to eunsure that compute cost is reduced". So I think, Answer is SendGrid binding which is good for reducing costs.

upvoted 5 times

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HQ1227

1 year, 11 months ago

what is different between sendgrid binding and sendgrid action?

upvoted 3 times

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LuchoGonzalez

2 years ago

Based on the options provided, the recommended configuration for the function app would be to use the "SendGrid action" for sending email notifications and the "consumption plan" to reduce compute costs. Check it out this pls

upvoted 2 times

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uffuchsi

2 years, 4 months ago

Consumption Plan (Keep costs low) & Send Grid Bunding (Send Email). I think it could also be a Function App and Event Hub, but initial answer is more accurate.

upvoted 2 times

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Alluru

2 years, 8 months ago

Configure the function app to use consumption plan and use sendgrid bindings to send emails. https://learn.microsoft.com/en-us/azure/azure-functions/functions-bindings-sendgrid?tabs=in-process%2Cfunctionsv2&pivots=programming-language-csharp#example

upvoted 1 times

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