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Amazon SAP-C02 Exam - Topic 3 Question 55 Discussion

A company is deploying a distributed in-memory database on a fleet of Amazon EC2 instances. The fleet consists of a primary node and eight worker nodes. The primary node is responsible for monitoring cluster health, accepting user requests, distributing user requests to worker nodes, and sending an aggregate response back to a client. Worker nodes communicate with each other to replicate data partitions.The company requires the lowest possible networking latency to achieve maximum performance.Which solution will meet these requirements?
C) Launch memory optimized EC2 instances in a cluster placement group
A) Launch memory optimized EC2 instances in a partition placement group.
B) Launch compute optimized EC2 instances in a partition placement group.
D) Launch compute optimized EC2 instances in a spread placement group.

Amazon SAP-C02 Exam - Topic 3 Question 55 Discussion

Actual exam question for Amazon's SAP-C02 exam
Question #: 55
Topic #: 3
[All SAP-C02 Questions]

A company is deploying a distributed in-memory database on a fleet of Amazon EC2 instances. The fleet consists of a primary node and eight worker nodes. The primary node is responsible for monitoring cluster health, accepting user requests, distributing user requests to worker nodes, and sending an aggregate response back to a client. Worker nodes communicate with each other to replicate data partitions.

The company requires the lowest possible networking latency to achieve maximum performance.

Which solution will meet these requirements?

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Suggested Answer: C

by Candida at Jun 16, 2025, 08:55 PM

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Latrice
7 months ago
Wait, what's a placement group? Sounds complicated.
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Eleonore
7 months ago
I agree, memory optimized instances are key here.
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Belen
8 months ago
I think compute optimized might work too, but not as well as memory optimized.
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Reita
8 months ago
Definitely going with C, it just makes sense for in-memory databases.
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Eladia
8 months ago
Option C is the best choice for low latency!
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Salina
8 months ago
I recall that compute optimized instances are generally better for processing power, but for an in-memory database, memory optimized instances might be more suitable.
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Karl
8 months ago
I’m a bit confused about the difference between partition and cluster placement groups. I feel like cluster might be the way to go for this, but I need to double-check.
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Zona
9 months ago
I think we practiced a similar question where cluster placement groups were mentioned. They might be the right choice for minimizing latency, especially with memory optimized instances.
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Alaine
9 months ago
I remember that partition placement groups are good for reducing latency, but I'm not sure if memory or compute optimized instances are better for this scenario.
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Melissa
9 months ago
I feel pretty confident about this one. The question states the company wants maximum performance, so memory-optimized instances in a partition placement group seem like the obvious choice to me.
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Esteban
9 months ago
Okay, I've got a strategy here. Since the company wants the lowest possible networking latency, I'm thinking a partition placement group is the way to go. That should ensure the nodes are physically isolated from each other, reducing the chances of network interference.
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Roxanne
9 months ago
Hmm, I'm a bit confused by the different placement group options. I'll need to review the differences between partition, cluster, and spread placement groups to figure out which one is best for this scenario.
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Stephaine
10 months ago
This looks like a classic networking optimization question. I think the key is to focus on minimizing latency between the nodes, so a placement group is likely the way to go.
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Chun
1 year ago
Haha, spread placement group? Really? That's like trying to put your socks on your hands, not gonna work for this use case.
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Leota
11 months ago
B: Yeah, that makes sense. It will definitely help reduce latency.
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Brandon
12 months ago
A: Launch memory optimized EC2 instances in a partition placement group.
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Penney
1 year ago
I'm not sure, but launching compute optimized instances in a spread placement group could also be a good option.
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Gearldine
1 year ago
I agree with Rodney. Memory optimized instances will help reduce latency and improve performance.
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Rodney
1 year ago
I think the best option is A) Launch memory optimized EC2 instances in a partition placement group.
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Skye
1 year ago
Hmm, I'm not so sure about that. Compute optimized instances in a cluster placement group might be a better fit since our primary node is responsible for a lot of processing work.
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Kristeen
12 months ago
A: Yeah, we need to ensure maximum performance by minimizing networking latency, so memory optimized instances in a cluster placement group make sense.
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Jesusa
12 months ago
B: I agree, the primary node needs to handle a lot of processing work, so compute optimized instances might not be the best choice.
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Annmarie
1 year ago
A: I think launching memory optimized EC2 instances in a cluster placement group would be the best option for low networking latency.
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Breana
1 year ago
I think option A is the way to go. Memory optimized instances in a partition placement group will give us the lowest possible networking latency for our distributed in-memory database.
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Augustine
12 months ago
D: Definitely, option A will help us achieve maximum performance with the lowest networking latency.
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Loren
12 months ago
C: I think we should go with option A as well. It seems like the most efficient solution for our setup.
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Vallie
1 year ago
B: Yeah, that makes sense. We need to prioritize performance for our distributed in-memory database.
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Kattie
1 year ago
A: I agree, option A with memory optimized instances in a partition placement group is the best choice for low networking latency.
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