Welcome to ExamTopics
ExamTopics Logo
- Expert Verified, Online, Free.
Mail Us[email protected]
Menu
Amazon Discussions
exam questions

Exam AWS Certified Solutions Architect - Professional SAP-C02 All Questions

View all questions & answers for the AWS Certified Solutions Architect - Professional SAP-C02 exam
Go to Exam

Exam AWS Certified Solutions Architect - Professional SAP-C02 topic 1 question 479 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Professional SAP-C02
Question #: 479
Topic #: 1
[All AWS Certified Solutions Architect - Professional SAP-C02 Questions]

A company needs to improve the reliability of its ticketing application. The application runs on an Amazon Elastic Container Service (Amazon ECS) cluster. The company uses Amazon CloudFront to serve the application. A single ECS service of the ECS cluster is the CloudFront distribution’s origin.

The application allows only a specific number of active users to enter a ticket purchasing flow. These users are identified by an encrypted attribute in their JSON Web Token (JWT). All other users are redirected to a waiting room module until there is available capacity for purchasing.

The application is experiencing high loads. The waiting room module is working as designed, but load on the waiting room is disrupting the applications availability.
This disruption is negatively affecting the application's ticket sale transactions.

Which solution will provide the MOST reliability for ticket sale transactions during periods of high load?

  • A. Create a separate service in the ECS cluster for the waiting room. Use a separate scaling configuration. Ensure that the ticketing service uses the JWT information and appropriately forwards requests to the waiting room service.
  • B. Move the application to an Amazon Elastic Kubernetes Service (Amazon EKS) cluster. Split the waiting room module into a pod that is separate from the ticketing pod. Make the ticketing pod part of a StatefulSet. Ensure that the ticketing pod uses the JWT information and appropriately forwards requests to the waiting room pod.
  • C. Create a separate service in the ECS cluster for the waiting room. Use a separate scaling configuration. Create a CloudFront function that inspects the JWT information and appropriately forwards requests to the ticketing service or the waiting room service.
  • D. Move the application to an Amazon Elastic Kubernetes Service (Amazon EKS) cluster. Split the waiting room module into a pod that is separate from the ticketing pod. Use AWS App Mesh by provisioning the App Mesh controller for Kubernetes. Enable mTLS authentication and service-to-service authentication for communication between the ticketing pod and the waiting room pod. Ensure that the ticketing pod uses the JWT information and appropriately forwards requests to the waiting room pod.
Show Suggested Answer Hide Answer
Suggested Answer: C 🗳️
by devnv at April 13, 2024, 12:43 p.m.
Disclaimers:
  • - ExamTopics website is not related to, affiliated with, endorsed or authorized by Amazon.
  • - Trademarks, certification & product names are used for reference only and belong to Amazon.

Comments

Chosen Answer:
This is a voting comment (?) , you can switch to a simple comment.
Switch to a voting comment New
Submit Cancel
Zas1
Highly Voted 7 months, 2 weeks ago
Selected Answer: C
CFFunctions:You can validate hashed authorization tokens, such as JSON web tokens (JWT), by inspecting authorization headers or other request metadata. https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/cloudfront-functions.html
upvoted 10 times
...
0b43291
Most Recent 1 week, 2 days ago
Selected Answer: C
By separating the waiting room service, using separate scaling configurations, and leveraging CloudFront functions for efficient routing, Option C provides a reliable and scalable solution while minimizing architectural changes and operational overhead. The other options have the following drawbacks: Option A: While it separates the waiting room service, it still relies on the ticketing service to handle the routing logic based on JWT information, which could become a bottleneck during high loads. Option B: Migrating to Amazon EKS and using StatefulSets may not be necessary for this use case and could introduce additional complexity and operational overhead. Option D: While using Amazon EKS and App Mesh provides advanced traffic management and security features, it may be an overkill for this specific requirement and could add unnecessary complexity to the architecture.
upvoted 1 times
...
liuliangzhou
2 months, 1 week ago
Selected Answer: C
A. No mention of finer control at the CloudFront level B. When it comes to migrating to EKS, it may bring additional complexity and cost. C. It combines the flexibility of ECS and the edge computing capability of CloudFront. D. It involves complex migration, configuration, and authentication mechanisms.
upvoted 1 times
...
trungtd
5 months, 2 weeks ago
Selected Answer: C
Option A involves creating a separate service in the ECS cluster for the waiting room but relies on the ticketing service to forward requests to the waiting room service based on JWT information. This approach still puts some load and decision-making logic on the ticketing service, which can affect its performance during high load periods.
upvoted 2 times
...
Win007
6 months, 1 week ago
A is correct
upvoted 1 times
...
devnv
7 months, 2 weeks ago
A is correct
upvoted 1 times
...

Get IT Certification

Unlock free, top-quality video courses on ExamTopics with a simple registration. Elevate your learning journey with our expertly curated content. Register now to access a diverse range of educational resources designed for your success. Start learning today with ExamTopics!

Start Learning for free
Community vote distribution
A (35%)
C (25%)
B (20%)
Other
Most Voted
A voting comment increases the vote count for the chosen answer by one.

Upvoting a comment with a selected answer will also increase the vote count towards that answer by one. So if you see a comment that you already agree with, you can upvote it instead of posting a new comment.

SaveCancel