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Exam AWS Certified SysOps Administrator - Associate topic 1 question 413 discussion

A company has deployed an application on AWS. The application runs on a fleet of Linux Amazon EC2 instances that are in an Auto Scaling group. The Auto Scaling group is configured to use launch templates. The launch templates launch Amazon Elastic Block Store (Amazon EBS) backed EC2 instances that use General Purpose SSD (gp3) EBS volumes for primary storage.

A SysOps administrator needs to implement a solution to ensure that all the EC2 instances can share the same underlying files. The solution also must ensure that the data is consistent.

Which solution will meet these requirements?

  • A. Create an Amazon Elastic File System (Amazon EFS) file system. Create a new launch template version that includes user data that mounts the EFS file system. Update the Auto Scaling group to use the new launch template version to cycle in newer EC2 instances and to terminate the older EC2 instances.
  • B. Enable Multi-Attach on the EBS volumes. Create a new launch template version that includes user data that mounts the EBS volume. Update the Auto Scaling group to use the new template version to cycle in newer EC2 instances and to terminate the older EC2 instances.
  • C. Create a cron job that synchronizes the data between the EBS volumes for all the EC2 instances in the Auto Scaling group. Create a lifecycle hook during instance launch to configure the cron job on all the EC2 instances. Rotate out the older EC2 instances.
  • D. Create a new launch template version that creates an Amazon Elastic File System (Amazon EFS) file system. Update the Auto Scaling group to use the new template version to cycle in newer EC2 instances and to terminate the older EC2 instances.
Show Suggested Answer Hide Answer
Suggested Answer: D 🗳️

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acts268
1 month, 2 weeks ago
Selected Answer: A
It's A because data mounts in the EFS (persist data)
upvoted 1 times
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Learning4life
4 months, 2 weeks ago
Selected Answer: A
A and D are very similar, but after re-reading A, it includes the User Data, which will generate a user data script used during the initial boot process to setup the EFS mounts, and persist them across reboots.
upvoted 3 times
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nharaz
5 months, 2 weeks ago
Selected Answer: A
The key word is Linux Amazon EC2 so the answer could be creating an Amazon Elastic File system. Amazon EFS is a fully managed service providing network file sharing (NFS) shared file system storage for Linux workloads. Amazon EFS makes it quick and efficient to create and configure file systems.
upvoted 4 times
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LemonGremlin
5 months, 3 weeks ago
Selected Answer: A
Please let me know why this is not A A. Create an Amazon Elastic File System (Amazon EFS) file system. Create a new launch template version that includes user data that mounts the EFS file system. Update the Auto Scaling group to use the new launch template version to cycle in newer EC2 instances and to terminate the older EC2 instances.
upvoted 4 times
Kipalom
5 months, 3 weeks ago
I can't, because its A!
upvoted 2 times
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