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Exam AWS DevOps Engineer Professional All Questions

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Exam AWS DevOps Engineer Professional topic 1 question 107 discussion

Exam question from Amazon's AWS DevOps Engineer Professional
Question #: 107
Topic #: 1
[All AWS DevOps Engineer Professional Questions]

A company is testing a web application that runs on Amazon EC2 instances behind an Application Load Balancer. The instances run in an Auto Scaling group across multiple Availability Zones. The company uses a blue/green deployment process with immutable instances when deploying new software.

During testing, users are being automatically logged out of the application at random times. Testers also report that, when a new version of the application is deployed, all users are logged out. The development team needs a solution to ensure users remain logged in across scaling events and application deployments.

What is the MOST efficient way to ensure users remain logged in?

  • A. Enable smart sessions on the load balancer and modify the application to check for an existing session.
  • B. Enable session sharing on the load balancer and modify the application to read from the session store.
  • C. Store user session information in an Amazon S3 bucket and modify the application to read session information from the bucket.
  • D. Modify the application to store user session information in an Amazon ElastiCache cluster.
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Suggested Answer: D 🗳️
by SmileyCloud at Dec. 1, 2022, 7:44 a.m.
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bgc1
2 years, 2 months ago
Selected Answer: D
https://aws.amazon.com/caching/session-management/
upvoted 1 times
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einn
2 years, 2 months ago
Selected Answer: B
Enabling session sharing on the load balancer allows user session information to be shared across multiple instances in an Auto Scaling group. This ensures that users remain logged in even when instances are added or removed from the group.
upvoted 1 times
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einn
2 years, 2 months ago
Enabling session sharing on the load balancer allows user session information to be shared across multiple instances in an Auto Scaling group. This ensures that users remain logged in even when instances are added or removed from the group.
upvoted 1 times
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Bulti
2 years, 3 months ago
Selected Answer: D
D is correct
upvoted 1 times
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Imstack
2 years, 4 months ago
D is correct
upvoted 1 times
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SatenderRathee
2 years, 4 months ago
Selected Answer: D
The most efficient way to ensure users remain logged in is to modify the application to store user session information in an Amazon ElastiCache cluster. Amazon ElastiCache is a fully managed in-memory data store that can be used to store user session information. The in-memory nature of ElastiCache means that it can store and retrieve session data quickly, which is important for maintaining user sessions in a web application. Additionally, ElastiCache clusters can be scaled up or down as needed, making it a good choice for a web application that is running on an Auto Scaling group.
upvoted 3 times
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SmileyCloud
2 years, 5 months ago
Selected Answer: D
D - correct. A,B - Smart session and session sharing do not mean anything. https://aws.amazon.com/getting-started/hands-on/building-fast-session-caching-with-amazon-elasticache-for-redis/
upvoted 2 times
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