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Exam AZ-204 topic 6 question 25 discussion

Actual exam question from Microsoft's AZ-204

Question #: 25
Topic #: 6

DRAG DROP -
You have an application that provides weather forecasting data to external partners. You use Azure API Management to publish APIs.
You must change the behavior of the API to meet the following requirements:
✑ Support alternative input parameters
✑ Remove formatting text from responses
✑ Provide additional context to back-end services
Which types of policies should you implement? To answer, drag the policy types to the correct requirements. Each policy type may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.
NOTE: Each correct selection is worth one point.
Select and Place:

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Suggested Answer:

by sghaha at April 29, 2022, 8:04 a.m.

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avocado0211

Highly Voted 3 years, 3 months ago

Inbound Outbound Backend

upvoted 44 times

g2000

2 years, 6 months ago

last one is backend https://learn.microsoft.com/en-us/azure/api-management/forward-request-policy

upvoted 7 times

lamvit

6 months, 3 weeks ago

"The Backend policy section can only contain one policy element. By default, API Management configures the forward-request policy in the Backend section at the global scope, and the base element at other scopes." https://learn.microsoft.com/en-us/azure/api-management/set-edit-policies?tabs=form#configure-policies-at-different-scopes https://learn.microsoft.com/en-us/azure/api-management/forward-request-policy so backend policy can't be used to pass additional headers.

upvoted 1 times

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uffuchsi

2 years, 5 months ago

Last one has to be Inbound Below is the sample snippet of the policy to send user context to backend service. <policies> <inbound> <base />  <set-query-parameter name="x-product-name" exists-action="override"> <value>@(context.Product.Name)</value> </set-query-parameter>  <set-header name="x-request-context-data" exists-action="override"> <value>@(context.User.Id)</value> <value>@(context.Deployment.Region)</value> </set-header> </inbound> The configuration is part of inbound section. https://docs.microsoft.com/en-us/azure/api-management/policies/send-request-context-info-to-backend-service

upvoted 2 times

uncledana

2 years ago

Backend - https://learn.microsoft.com/en-us/azure/api-management/api-management-howto-policies#-understanding-policy-configuration

upvoted 2 times

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srinz

Highly Voted 2 years, 10 months ago

Based on https://docs.microsoft.com/en-us/azure/api-management/policies/send-request-context-info-to-backend-service Inbound is correct answer for the third question <policies> <inbound> <base />  <set-query-parameter name="x-product-name" exists-action="override"> <value>@(context.Product.Name)</value> </set-query-parameter>  <set-header name="x-request-context-data" exists-action="override"> <value>@(context.User.Id)</value> <value>@(context.Deployment.Region)</value> </set-header> </inbound>

upvoted 9 times

coffecold

2 years, 9 months ago

It is adding a parameter and a header in the original request. <backend>: statements to be applied before the request is forwarded to the backend service go here <inbound> statements to be applied to the request go here. So I think it can be both, the place that makes mores sense is backend.

upvoted 1 times

OPT_001122

2 years, 8 months ago

"statements to be applied before the request is forwarded to the backend service go here" this is not mentioned anywhere in the question hence the confusion for inbound and backend.

upvoted 1 times

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Vichu_1607

Most Recent 10 months ago

To support alternative input parameters, you should use an Inbound policy. Inbound policies are executed on the request before it is sent to the backend service. They can be used to manipulate the request, such as changing the input parameters. To remove formatting text from responses, you should use an Outbound policy. Outbound policies are executed on the response from the backend service before it is sent back to the client. They can be used to manipulate the response, such as removing formatting text. To provide additional context to back-end services, you should use a Backend policy. Backend policies are executed after the inbound policies and before the request is sent to the backend service. They can be used to add additional context or information to the request that the backend service might need.

upvoted 1 times

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FeriAZ

1 year, 6 months ago

Provide Additional Context to Back-end Services: Policy Type: Backend. Explanation: Backend policies are applied to the request after all inbound policies have been applied and just before the request is forwarded to the backend service. To provide additional context to your backend services, use a backend policy. This could include adding or transforming headers, setting context variables, or other modifications that enrich the request with additional information needed by the backend.

upvoted 1 times

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130nk3r5

1 year, 7 months ago

Inbound policies are used to manipulate the request from the client before it is processed by the backend service. This can include supporting alternative input parameters. Outbound policies are used to manipulate the response from the backend service before it is sent to the client. This can include removing formatting text from responses. Backend policies are used to manipulate the request after it is processed by the inbound policy but before it is sent to the backend service. This can include providing additional context to back-end services. So, for sure Inbound, Outbound, Backend ....

upvoted 4 times

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nekkilodeon

2 years, 3 months ago

The given answer is correct. Inbound, outbound, inbound

upvoted 1 times

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adilkhan

2 years, 3 months ago

the provided answers are correct! Inbound Outbound, Inbound https://learn.microsoft.com/en-us/azure/api-management/set-backend-service-policy

upvoted 1 times

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hubekpeter

2 years, 8 months ago

I think for the third question, you can use both inbound and backend. Context variable is available in both and it should not matter at what stage you'll add it. But in this article, they're using inbound policy. One newer knows how these exams are evaluated, therefore I'm sticting with inbound as an answer. https://learn.microsoft.com/bs-latn-ba/azure/api-management/policies/send-request-context-info-to-backend-service

upvoted 1 times

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le129

2 years, 11 months ago

Answer is correct. https://docs.microsoft.com/en-us/azure/api-management/policies/send-request-context-info-to-backend-service

upvoted 2 times

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ivan0590

3 years, 3 months ago

I'm not 100% sure, but based on the following statement I think that the third option should be backend: "statements to be applied before the request is forwarded to the backend service go here" Source: https://docs.microsoft.com/en-us/azure/api-management/api-management-howto-policies#-understanding-policy-configuration

upvoted 4 times

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sghaha

3 years, 3 months ago

Korean Page: https://docs.microsoft.com/ko-kr/azure/api-management/api-management-transformation-policies#forward-context-information-to-the-backend-service

upvoted 3 times

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