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Exam AWS Certified Solutions Architect - Associate SAA-C03 topic 1 question 367 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C03
Question #: 367
Topic #: 1
[All AWS Certified Solutions Architect - Associate SAA-C03 Questions]

A company is using Amazon Route 53 latency-based routing to route requests to its UDP-based application for users around the world. The application is hosted on redundant servers in the company's on-premises data centers in the United States, Asia, and Europe. The company’s compliance requirements state that the application must be hosted on premises. The company wants to improve the performance and availability of the application.

What should a solutions architect do to meet these requirements?

  • A. Configure three Network Load Balancers (NLBs) in the three AWS Regions to address the on-premises endpoints. Create an accelerator by using AWS Global Accelerator, and register the NLBs as its endpoints. Provide access to the application by using a CNAME that points to the accelerator DNS.
  • B. Configure three Application Load Balancers (ALBs) in the three AWS Regions to address the on-premises endpoints. Create an accelerator by using AWS Global Accelerator, and register the ALBs as its endpoints. Provide access to the application by using a CNAME that points to the accelerator DNS.
  • C. Configure three Network Load Balancers (NLBs) in the three AWS Regions to address the on-premises endpoints. In Route 53, create a latency-based record that points to the three NLBs, and use it as an origin for an Amazon CloudFront distribution. Provide access to the application by using a CNAME that points to the CloudFront DNS.
  • D. Configure three Application Load Balancers (ALBs) in the three AWS Regions to address the on-premises endpoints. In Route 53, create a latency-based record that points to the three ALBs, and use it as an origin for an Amazon CloudFront distribution. Provide access to the application by using a CNAME that points to the CloudFront DNS.
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Suggested Answer: A 🗳️
by [deleted] at March 10, 2023, 2:18 p.m.
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Guru4Cloud
Highly Voted 1 year, 7 months ago
Selected Answer: A
NLBs allow UDP traffic (ALBs don't support UDP) Global Accelerator uses Anycast IP addresses and its global network to intelligently route users to the optimal endpoint Using NLBs as Global Accelerator endpoints provides improved availability and DDoS protection.
upvoted 12 times
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lucdt4
Highly Voted 1 year, 10 months ago
Selected Answer: A
C - D: Cloudfront don't support UDP/TCP B: Global accelerator don't support ALB A is correct
upvoted 5 times
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JA2018
Most Recent 4 months, 1 week ago
Selected Answer: C
CloudFront's origin can be on-premises sources. Check this out: https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/DownloadDistS3AndCustomOrigins.html#concept_CustomOrigin "A custom origin is an HTTP server, for example, a web server. The HTTP server can be an Amazon EC2 instance or an HTTP server that you host somewhere else. "
upvoted 1 times
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sandordini
11 months, 2 weeks ago
Selected Answer: A
Non-HTTP, Massive performance: NLB, UDP: AWS Global Accelerator
upvoted 3 times
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pentium75
1 year, 3 months ago
Selected Answer: A
Neither ALB (B+D) nor CloudFront (C+D) do support UDP.
upvoted 5 times
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TariqKipkemei
1 year, 5 months ago
Selected Answer: A
UDP = NLB and Global Accelerator
upvoted 4 times
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live_reply_developers
1 year, 8 months ago
Selected Answer: A
NLB + GA support UDP/TCP
upvoted 4 times
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Gooniegoogoo
1 year, 9 months ago
good reference https://blog.cloudcraft.co/alb-vs-nlb-which-aws-load-balancer-fits-your-needs/
upvoted 3 times
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SkyZeroZx
1 year, 11 months ago
Selected Answer: A
UDP = NBL UDP = GLOBAL ACCELERATOR UPD NOT WORKING WITH CLOUDFRONT ANS IS A
upvoted 4 times
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MssP
2 years ago
Selected Answer: A
More discussions at: https://www.examtopics.com/discussions/amazon/view/51508-exam-aws-certified-solutions-architect-associate-saa-c02/
upvoted 1 times
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Grace83
2 years ago
Why is C not correct - does anyone know?
upvoted 2 times
MssP
2 years ago
It could be valid but I think A is better. Uses the AWS global network to optimize the path from users to applications, improving the performance of TCP and UDP traffic
upvoted 2 times
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Shrestwt
1 year, 11 months ago
Latency based routing is already using in the application, so AWS global network will optimize the path from users to applications.
upvoted 2 times
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FourOfAKind
2 years ago
Selected Answer: A
UDP == NLB Must be hosted on-premises != CloudFront
upvoted 4 times
imvb88
1 year, 11 months ago
actually CloudFront's origin can be on-premises. Source: https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/DownloadDistS3AndCustomOrigins.html#concept_CustomOrigin "A custom origin is an HTTP server, for example, a web server. The HTTP server can be an Amazon EC2 instance or an HTTP server that you host somewhere else. "
upvoted 2 times
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[Removed]
2 years ago
Selected Answer: A
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upvoted 3 times
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