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Exam AWS Certified Solutions Architect - Professional SAP-C02 topic 1 question 414 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Professional SAP-C02
Question #: 414
Topic #: 1
[All AWS Certified Solutions Architect - Professional SAP-C02 Questions]

A retail company is mounting IoT sensors in all of its stores worldwide. During the manufacturing of each sensor, the company’s private certificate authority (CA) issues an X.509 certificate that contains a unique serial number. The company then deploys each certificate to its respective sensor.

A solutions architect needs to give the sensors the ability to send data to AWS after they are installed. Sensors must not be able to send data to AWS until they are installed.

Which solution will meet these requirements?

  • A. Create an AWS Lambda function that can validate the serial number. Create an AWS IoT Core provisioning template. Include the SerialNumber parameter in the Parameters section. Add the Lambda function as a pre-provisioning hook. During manufacturing, call the RegisterThing API operation and specify the template and parameters.
  • B. Create an AWS Step Functions state machine that can validate the serial number. Create an AWS IoT Core provisioning template. Include the SerialNumber parameter in the Parameters section. Specify the Step Functions state machine to validate parameters. Call the StartThingRegistrationTask API operation during installation.
  • C. Create an AWS Lambda function that can validate the serial number. Create an AWS IoT Core provisioning template. Include the SerialNumber parameter in the Parameters section. Add the Lambda function as a pre-provisioning hook. Register the CA with AWS IoT Core, specify the provisioning template, and set the allow-auto-registration parameter.
  • D. Create an AWS IoT Core provisioning template. Include the SerialNumber parameter in the Parameters section. Include parameter validation in the template. Provision a claim certificate and a private key for each device that uses the CA. Grant AWS IoT Core service permissions to update AWS IoT things during provisioning.
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Suggested Answer: C 🗳️
by alexis123456 at Feb. 5, 2024, 5:32 p.m.
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kejam
Highly Voted 1 year, 2 months ago
Selected Answer: C
In addition to validating the bootstrap certificate presented by devices, Fleet Provisioning also provides Lambda-based provisioning hooks that enable appropriate validation for pertinent device attributes. Examples of device attributes could include a serial number ... https://aws.amazon.com/blogs/iot/how-to-automate-onboarding-of-iot-devices-to-aws-iot-core-at-scale-with-fleet-provisioning/
upvoted 8 times
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TomTom
Most Recent 5 months ago
Selected Answer: A
Option A, meet the requirements. Why Not C, because C mentioned as Auto Provisioing, while the requirements is to have control.
upvoted 1 times
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titi_r
1 year ago
Selected Answer: C
Correct ans - C.
upvoted 1 times
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career360guru
1 year, 1 month ago
Selected Answer: C
Option C
upvoted 1 times
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duriselvan
1 year, 1 month ago
https://docs.aws.amazon.com/iot/latest/developerguide/iot-provision.html
upvoted 1 times
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duriselvan
1 year, 1 month ago
AWS provides several different ways to provision a device and install unique client certificates on it. This section describes each way and how to select the best one for your IoT solution. These options are described in detail in the whitepaper titled Device Manufacturing and Provisioning with X.509 Certificates in AWS IoT Core.
upvoted 1 times
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duriselvan
1 year, 1 month ago
cANSGiven the requirements, Option C is the most suitable solution: It combines serial number validation using a Lambda function. The pre-provisioning hook ensures validation before registration. The allow-auto-registration parameter provides fine-grained control over auto-registration.
upvoted 3 times
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ele
1 year, 2 months ago
Selected Answer: D
Devices can be manufactured with a provisioning claim certificate and private key (which are special purpose credentials) embedded in them. If these certificates are registered with AWS IoT, the service can exchange them for unique device certificates that the device can use for regular operations https://docs.aws.amazon.com/iot/latest/developerguide/provision-wo-cert.html#claim-based
upvoted 2 times
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duriselvan
1 year, 2 months ago
C is ans
upvoted 1 times
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alexis123456
1 year, 2 months ago
Correct Answer is D
upvoted 2 times
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