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Exam AWS Certified Solutions Architect - Associate SAA-C03 topic 1 question 335 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C03
Question #: 335
Topic #: 1
[All AWS Certified Solutions Architect - Associate SAA-C03 Questions]

A company is experiencing sudden increases in demand. The company needs to provision large Amazon EC2 instances from an Amazon Machine Image (AMI). The instances will run in an Auto Scaling group. The company needs a solution that provides minimum initialization latency to meet the demand.

Which solution meets these requirements?

  • A. Use the aws ec2 register-image command to create an AMI from a snapshot. Use AWS Step Functions to replace the AMI in the Auto Scaling group.
  • B. Enable Amazon Elastic Block Store (Amazon EBS) fast snapshot restore on a snapshot. Provision an AMI by using the snapshot. Replace the AMI in the Auto Scaling group with the new AMI.
  • C. Enable AMI creation and define lifecycle rules in Amazon Data Lifecycle Manager (Amazon DLM). Create an AWS Lambda function that modifies the AMI in the Auto Scaling group.
  • D. Use Amazon EventBridge to invoke AWS Backup lifecycle policies that provision AMIs. Configure Auto Scaling group capacity limits as an event source in EventBridge.
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Suggested Answer: B 🗳️
by bdp123 at Feb. 17, 2023, 6:25 p.m.
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danielklein09
Highly Voted 1 year, 10 months ago
readed the question 5 times, didn't understood a thing :(
upvoted 63 times
elmyth
7 months, 1 week ago
Me too((( terrible question
upvoted 2 times
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Guru4Cloud
1 year, 7 months ago
Me too
upvoted 4 times
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lostmagnet001
1 year, 2 months ago
the same here!
upvoted 1 times
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bdp123
Highly Voted 2 years, 2 months ago
Selected Answer: B
Enabling Amazon Elastic Block Store (Amazon EBS) fast snapshot restore on a snapshot allows you to quickly create a new Amazon Machine Image (AMI) from a snapshot, which can help reduce the initialization latency when provisioning new instances. Once the AMI is provisioned, you can replace the AMI in the Auto Scaling group with the new AMI. This will ensure that new instances are launched from the updated AMI and are able to meet the increased demand quickly.
upvoted 14 times
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LeonSauveterre
Most Recent 4 months, 3 weeks ago
Selected Answer: B
The question focuses on reducing initialization latency when launching large EC2 instances in an Auto Scaling group during sudden demand spikes. So B with fast snapshot is obviously the choice. But without the choices listed there, I would simply integrate a Warm Pool for the Auto Scaling group with pre-initialized instances based on an optimized AMI :)
upvoted 3 times
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awsgeek75
1 year, 3 months ago
Selected Answer: B
The question wording is pretty weird but the only thing of value is latency during initialisation which makes B the correct option. https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-fast-snapshot-restore.html A only helps with creating the AMI C and D will probably work (ambiguous language) but won't handle initialising latency issues.
upvoted 6 times
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farnamjam
1 year, 3 months ago
Selected Answer: B
Fast Snapshot Restore (FSR) • Force full initialization of snapshot to have no latency on the first use
upvoted 2 times
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pentium75
1 year, 3 months ago
Selected Answer: B
"Fast snapshot restore" = pre-warmed snapshot AMI from such a snapshot is pre-warmed AMI
upvoted 4 times
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master9
1 year, 4 months ago
Selected Answer: D
Amazon Data Lifecycle Manager (DLM) is a feature of Amazon EBS that automates the creation, retention, and deletion of snapshots, which are used to back up your Amazon EBS volumes. With DLM, you can protect your data by implementing a backup strategy that aligns with your business requirements. You can create lifecycle policies to automate snapshot management. Each policy includes a schedule of when to create snapshots, a retention rule with a defined period to retain each snapshot, and a set of Amazon EBS volumes to assign to the policy. This service helps simplify the management of your backups, ensure compliance, and reduce costs.
upvoted 1 times
pentium75
1 year, 3 months ago
We're not asked to "simplify the management of our backups, ensure compliance, and reduce costs", we're asked to "provide minimum initialization latency" for an auto-scaling group.
upvoted 2 times
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master9
1 year, 4 months ago
Sorry, its "C" and not "D"
upvoted 1 times
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Nisarg2121
1 year, 4 months ago
Selected Answer: B
b is correct
upvoted 1 times
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meowruki
1 year, 4 months ago
B. Enable Amazon Elastic Block Store (Amazon EBS) fast snapshot restore on a snapshot. Provision an AMI by using the snapshot. Replace the AMI in the Auto Scaling group with the new AMI. Here's the reasoning: Amazon EBS Fast Snapshot Restore: This feature allows you to quickly create new EBS volumes (and subsequently AMIs) from snapshots. Fast Snapshot Restore optimizes the initialization process by pre-warming the snapshots, reducing the time it takes to create volumes from those snapshots. Provision an AMI using the snapshot: By using fast snapshot restore, you can efficiently provision an AMI from the pre-warmed snapshot, minimizing the initialization latency. Replace the AMI in the Auto Scaling group: This allows you to update the instances in the Auto Scaling group with the new AMI efficiently, ensuring that the new instances are launched with minimal delay.
upvoted 2 times
meowruki
1 year, 4 months ago
Option A (Use aws ec2 register-image command and AWS Step Functions): While this approach can be used to automate the creation of an AMI and update the Auto Scaling group, it may not offer the same level of optimization for initialization latency as Amazon EBS fast snapshot restore. Option C (Enable AMI creation and define lifecycle rules in Amazon Data Lifecycle Manager, create a Lambda function): While Amazon DLM can help manage the lifecycle of your AMIs, it might not provide the same level of speed and responsiveness needed for sudden increases in demand. Option D (Use Amazon EventBridge and AWS Backup): AWS Backup is primarily designed for backup and recovery, and it might not be as optimized for quickly provisioning instances in response to sudden demand spikes. EventBridge can be used for event-driven architectures, but in this context, it might introduce unnecessary complexity.
upvoted 2 times
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TariqKipkemei
1 year, 6 months ago
Selected Answer: B
Enable Amazon Elastic Block Store (Amazon EBS) fast snapshot restore on a snapshot. Provision an AMI by using the snapshot. Replace the AMI in the Auto Scaling group with the new AMI
upvoted 2 times
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kambarami
1 year, 7 months ago
Pleaw3 reword 5he question. Can not understand a thing!
upvoted 1 times
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Guru4Cloud
1 year, 7 months ago
Selected Answer: B
Enable EBS fast snapshot restore on a snapshot Create an AMI from the snapshot Replace the AMI used by the Auto Scaling group with this new AMI The key points: ° Need to launch large EC2 instances quickly from an AMI in an Auto Scaling group ° Looking to minimize instance initialization latency
upvoted 3 times
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antropaws
1 year, 11 months ago
Selected Answer: B
B most def
upvoted 2 times
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elearningtakai
2 years ago
Selected Answer: B
B: "EBS fast snapshot restore": minimizes initialization latency. This is a good choice.
upvoted 3 times
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Zox42
2 years ago
Selected Answer: B
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-fast-snapshot-restore.html
upvoted 3 times
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geekgirl22
2 years, 2 months ago
Keyword, minimize initilization latency == snapshot. A and B have snapshots in them, but B is the one that makes sense. C has DLP that can create machines from AMI, but that does not talk about latency and snapshots.
upvoted 4 times
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LuckyAro
2 years, 2 months ago
Selected Answer: B
Enabling Amazon Elastic Block Store (Amazon EBS) fast snapshot restore on a snapshot allows for rapid restoration of EBS volumes from snapshots. This reduces the time required to create an AMI from a snapshot, which is useful for quickly provisioning large Amazon EC2 instances. Provisioning an AMI by using the fast snapshot restore feature is a fast and efficient way to create an AMI. Once the AMI is created, it can be replaced in the Auto Scaling group without any downtime or disruption to running instances.
upvoted 2 times
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