Exam AWS Certified Developer Associate topic 1 question 253 discussion

Exam question from Amazon's AWS Certified Developer Associate

Question #: 253
Topic #: 1

[All AWS Certified Developer Associate Questions]

A developer is developing an application that uses signed requests (Signature Version 4) to call other AWS services. The developer has created a canonical request, has created the string to sign, and has calculated signing information.

Which methods could the developer use to complete a signed request? (Choose two.)

A. Add the signature to an HTTP header that is named Authorization
B. Add the signature to a session cookie
C. Add the signature to an HTTP header that is named Authentication
D. Add the signature to a query string parameter that is named X-Amz-Signature
E. Add the signature to an HTTP header that is named WWW-Authenticate

Show Suggested Answer

Suggested Answer: AD 🗳️

by kapil206001 at Nov. 25, 2022, 1:15 p.m.

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Melisa202401

1 year, 3 months ago

How about option C? It is same to A

upvoted 1 times

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rcaliandro

2 years ago

I didn't know this one

upvoted 1 times

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pranay_2406

2 years, 1 month ago

Selected Answer: AD

A. Add the signature to an HTTP header that is named Authorization. D. Add the signature to a query string parameter that is named X-Amz-Signature. When using Signature Version 4, the calculated signature is typically added to the Authorization header of the HTTP request. This header contains the necessary authentication information for AWS services to verify the request. It is commonly used for AWS service-to-service communication. Additionally, in some cases, the calculated signature can be added to a query string parameter with the name X-Amz-Signature. This allows the signature to be included directly in the URL when making requests to certain AWS services. Therefore, options A and D are the correct methods to complete a signed request using Signature Version 4.

upvoted 3 times

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