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Question 37 - AD0-E722 discussion

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The development of an Adobe Commerce website is complete. The website is ready to be rolled out on the production environment.

An Architect designed the system to run in a distributed architecture made up of multiple backend webservers that process requests behind a Load Balancer.

After deploying the system and accessing the website for the first time, users cannot access the Customer Dashboard after logging in. The website keeps redirecting users to the sign-in page even though the users have successfully logged in The Architect determines that the session is not being saved properly.

In the 'app/etc/env.php', the session is configured as follows:

What should the Architect do to correct this issue?

A.
Update the session host value to a shared Redis instance
Answers
A.
Update the session host value to a shared Redis instance
B.
increase the session size with the command config:set system/security/max_session_size_admin
Answers
B.
increase the session size with the command config:set system/security/max_session_size_admin
C.
Utilize the Remote Storage module to synchronize sessions between the servers
Answers
C.
Utilize the Remote Storage module to synchronize sessions between the servers
Suggested answer: A

Explanation:

Option A is correct because updating the session host value to a shared Redis instance in the ''app/etc/env.php'' file will allow the session to be saved properly and prevent users from being redirected to the sign-in page after logging in. Redis is a fast and reliable in-memory data store that can be used for session storage in Magento 2. By using a shared Redis instance, the session data can be accessed by any of the backend web servers behind the load balancer, regardless of which server handled the initial request.This ensures that the user's session is maintained and consistent across different servers1.

Option B is incorrect because increasing the session size with the command config:set system/security/max_session_size_admin will not solve the issue of session not being saved properly. This command only affects the admin session size limit, not the customer session size limit.Moreover, this command does not address the root cause of the issue, which is that the session data is not shared among the backend web servers2.

Option C is incorrect because utilizing the Remote Storage module to synchronize sessions between the servers is not a viable solution for this issue. The Remote Storage module is a feature of Magento Commerce Cloud that allows storing media files and other static content on a remote storage service such as AWS S3 or Azure Blob Storage.This module does not support synchronizing sessions between servers, as sessions are dynamic and transient data that need to be stored in a fast and accessible data store such as Redis3.

1: Use Redis for session storage | Adobe Commerce Developer Guide

2: Security | Adobe Commerce User Guide

3: Remote storage | Adobe Commerce Developer Guide

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asked 02/10/2024
Maria Deras
40 questions
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