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Exam DP-100 topic 4 question 15 discussion

Actual exam question from Microsoft's DP-100

Question #: 15
Topic #: 4

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
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You train and register a machine learning model.
You plan to deploy the model as a real-time web service. Applications must use key-based authentication to use the model.
You need to deploy the web service.
Solution:
Create an AciWebservice instance.
Set the value of the auth_enabled property to True.
Deploy the model to the service.
Does the solution meet the goal?

A. Yes
B. No

Show Suggested Answer

Suggested Answer: A 🗳️

by birbyne at May 23, 2021, 5:52 p.m.

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desmondfernando

Highly Voted 3 years, 5 months ago

Yes, the correct answer is Option A. Because AKS is based on Key-value auth as default.

upvoted 7 times

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evangelist

Most Recent 6 months, 1 week ago

Selected Answer: A

It meets the requirements

upvoted 1 times

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Matt2000

10 months, 2 weeks ago

Selected Answer: B

The answer is No. The question is about AciWebservice. This option is not recommended for real-time inferencing: https://learn.microsoft.com/en-us/azure/cloud-adoption-framework/innovate/best-practices/ml-deployment-inference

upvoted 1 times

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phdykd

1 year, 10 months ago

B. No The solution provided does not fully meet the goal. While creating an AciWebservice instance and deploying the model to the service are necessary steps, simply setting the value of the auth_enabled property to True does not provide a key-based authentication mechanism for the web service. Additional steps are required to generate and manage the authentication keys, such as creating an Azure Key Vault to store the keys and implementing code in the client applications to retrieve and use the keys for authentication.

upvoted 2 times

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michaelmorar

2 years ago

Selected Answer: A

True - key-based authentication is exactly the solution here.

upvoted 3 times

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[Removed]

2 years, 10 months ago

On 20Feb2022

upvoted 2 times

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JoshuaXu

3 years, 1 month ago

on 6 Nov 2021

upvoted 1 times

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hargur

3 years, 2 months ago

on 19Oct2021

upvoted 3 times

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azurecert2021

3 years, 5 months ago

given answer is correct auth_enabled=True is used for Key-based authentication and token_auth_enabled =True is used for Token-based authentication https://docs.microsoft.com/en-us/azure/machine-learning/how-to-authenticate-web-service

upvoted 4 times

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nmuenter

3 years, 6 months ago

I think A is correct. The requirements say : Applications must use key-based authentication to use the model. auth_enabled parameter is for key-based authentication (By default it's True for AKS) and token_auth_enabled is for token based authentication (not for key-based).

upvoted 3 times

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birbyne

3 years, 6 months ago

B: No token_auth_enabled=True https://docs.microsoft.com/en-us/python/api/azureml-core/azureml.core.webservice.akswebservice?view=azure-ml-py

upvoted 3 times

treadst0ne

3 years, 6 months ago

The question says "key-based", not token_auth, so the correct answer is A.

upvoted 4 times

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