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Exam AWS Certified Advanced Networking - Specialty ANS-C01 topic 1 question 17 discussion

Exam question from Amazon's AWS Certified Advanced Networking - Specialty ANS-C01
Question #: 17
Topic #: 1
[All AWS Certified Advanced Networking - Specialty ANS-C01 Questions]

An international company provides early warning about tsunamis. The company plans to use IoT devices to monitor sea waves around the world. The data that is collected by the IoT devices must reach the company’s infrastructure on AWS as quickly as possible. The company is using three operation centers around the world. Each operation center is connected to AWS through Its own AWS Direct Connect connection. Each operation center is connected to the internet through at least two upstream internet service providers.
The company has its own provider-independent (PI) address space. The IoT devices use TCP protocols for reliable transmission of the data they collect. The IoT devices have both landline and mobile internet connectivity. The infrastructure and the solution will be deployed in multiple AWS Regions. The company will use Amazon Route 53 for DNS services.
A network engineer needs to design connectivity between the IoT devices and the services that run in the AWS Cloud.
Which solution will meet these requirements with the HIGHEST availability?

  • A. Set up an Amazon CloudFront distribution with origin failover. Create an origin group for each Region where the solution is deployed.
  • B. Set up Route 53 latency-based routing. Add latency alias records. For the latency alias records, set the value of Evaluate Target Health to Yes.
  • C. Set up an accelerator in AWS Global Accelerator. Configure Regional endpoint groups and health checks.
  • D. Set up Bring Your Own IP (BYOIP) addresses. Use the same PI addresses for each Region where the solution is deployed.
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Suggested Answer: C 🗳️
by zaazanuna at March 18, 2023, 9:30 p.m.
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study_aws1
Highly Voted 1 year, 9 months ago
Should be Option B) as per the architecture given in the link https://aws.amazon.com/blogs/iot/automate-global-device-provisioning-with-aws-iot-core-and-amazon-route-53/
upvoted 10 times
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Untamables
Highly Voted 1 year, 8 months ago
Selected Answer: C
C https://docs.aws.amazon.com/global-accelerator/latest/dg/introduction-benefits-of-migrating.html https://docs.aws.amazon.com/global-accelerator/latest/dg/using-byoip.html
upvoted 9 times
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clphan
Most Recent 4 months, 2 weeks ago
The queston is not really clear, they do not state the goal. though seem C with global accerlator can help improve HA
upvoted 2 times
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cerifyme85
8 months ago
Selected Answer: B
"The solution must use route 53 dns" B
upvoted 1 times
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Raphaello
8 months, 3 weeks ago
Selected Answer: C
Long case scenario, giving snippets of information; but C (AGA) felt the most appropriate solution for high availability and delivering data so quickly (through AWS backbone).
upvoted 1 times
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vikasj1in
10 months, 1 week ago
Selected Answer: C
AWS Global Accelerator is designed to provide a highly available and performant solution for global applications. It uses anycast IP addresses to route traffic to optimal AWS endpoint locations. In this scenario, setting up an accelerator in AWS Global Accelerator with Regional endpoint groups is suitable for the distributed architecture of the IoT devices and the AWS infrastructure. Options A and B involve Amazon CloudFront and Route 53 latency-based routing, respectively, but AWS Global Accelerator is specifically designed to provide highly available, low-latency, and fault-tolerant global routing, making it a more suitable choice for this scenario. Option D, Bring Your Own IP (BYOIP) addresses, is not directly related to optimizing the connectivity for IoT devices and services in AWS, and it doesn't address the global distribution and routing requirements as effectively as AWS Global Accelerator.
upvoted 2 times
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Marfee400704
10 months, 1 week ago
I think that it's correct answer is C according to SPOTO products.
upvoted 1 times
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marfee
10 months, 2 weeks ago
I think that it's correcty answer is B.
upvoted 1 times
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marfee
10 months, 2 weeks ago
I think that it's correcty answer is B.
upvoted 1 times
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AmSpOkE
10 months, 2 weeks ago
Selected Answer: C
It says the "Highest" throughtput, anything with VPN is limited to 1.25 Gbps per tunnel.
upvoted 1 times
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Sourabh1703
10 months, 3 weeks ago
Selected Answer: B
Highest SLA requirement indicate that route 53 has to be used, it is the only service that gives 100% availability . https://aws.amazon.com/route53/sla/ , the same page for Global Accelerator lists 99.9% only. I would choose B over C for this reason.
upvoted 1 times
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ChinkSantana
10 months, 3 weeks ago
Quick hack: Once its a global service that involves TCP or UDP, Eliminate the options quickly by pointing to Global Accelerator
upvoted 2 times
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MarcosSantos
11 months, 1 week ago
Hello everyone, I saw some people talking about option B. But B is wrong. It can be used but the record it would create would be CNAME and not ALIAS record. https://aws.amazon.com/blogs/iot/automate-global-device-provisioning-with-aws-iot-core-and-amazon-route-53/ The option explicitly talks about using Alias ​​and iots cannot be configured as a registry for an alias. Option C is correct!
upvoted 1 times
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Arad
1 year, 1 month ago
Selected Answer: C
Definitely C
upvoted 1 times
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payelix795
1 year, 4 months ago
The wording of this question is kinda odd.So bouncing between B and C For me the following makes me think C is the right option "A network engineer needs to design connectivity between the IoT devices and the services that run in the AWS Cloud" Kind of a tricky one this.
upvoted 1 times
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awsguru1998
1 year, 8 months ago
C Using AWS Global Accelerator with regional endpoint groups provides the highest availability as it allows traffic to be routed to healthy endpoints in different regions. Additionally, health checks can ensure that traffic is not directed to unhealthy endpoints.
upvoted 4 times
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that1guy
1 year, 8 months ago
Selected Answer: C
should be C, not B AWS Global Accelerator is designed to provide high availability and low latency for TCP and UDP traffic by using Amazon's global network to route traffic to the optimal AWS endpoint. It allows you to create endpoint groups in multiple regions, and AWS Global Accelerator automatically routes traffic to the closest healthy endpoint group by continuously monitoring the health of the endpoints.
upvoted 5 times
that1guy
1 year, 8 months ago
After taking a second look, changing it to B. > " The data that is collected by the IoT devices must reach the company’s infrastructure on AWS as quickly as possible. The company is using three operation centers around the world. Each operation center is connected to AWS through Its own AWS Direct Connect connection. Each operation center is connected to the internet through at least two upstream internet service providers." So traffic isn't required to enter via the AWS network, it can also be from an operation center via Direct Connect to AWS, whichever is quicker. Global Accelerator doesn't support endpoints outside of AWS, see: https://docs.aws.amazon.com/global-accelerator/latest/dg/about-endpoints.html
upvoted 4 times
ShinLi
1 year, 2 months ago
I am still thinking C, i don't know how to connect IoT to both AWS and on prim DC. So it need connect to AWS first, so the option C is better. B is correct, if we can send IoT data to AWS or own DC when required
upvoted 1 times
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