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A solutions architect is developing a multiple-subnet VPC architecture. The solution will consist of six subnets in two Availability Zones. The subnets are defined as public, private and dedicated for databases. Only the Amazon EC2 instances running in the private subnets should be able to access a database. Which solution meets these requirements?
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A company recently signed a contract with an AWS Managed Service Provider (MSP) Partner for help with an application migration initiative. A solutions architect needs to share an Amazon Machine Image (AMI) from an existing AWS account with the MSP Partner's AWS account. The AMI is backed by Amazon Elastic Block Store (Amazon EBS) and uses a customer managed customer master key (CMK) to encrypt EBS volume snapshots. What is the MOST secure way for the solutions architect to share the AMI with the MSP Partner's AWS account?
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Question 780 - SAA-C03 discussion

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A company plans to run a high performance computing (HPC) workload on Amazon EC2 Instances The workload requires low-latency network performance and high network throughput with tightly coupled node-to-node communication.

Which solution will meet these requirements?

A.
Configure the EC2 instances to be part of a cluster placement group
Answers
A.
Configure the EC2 instances to be part of a cluster placement group
B.
Launch the EC2 instances with Dedicated Instance tenancy.
Answers
B.
Launch the EC2 instances with Dedicated Instance tenancy.
C.
Launch the EC2 instances as Spot Instances.
Answers
C.
Launch the EC2 instances as Spot Instances.
D.
Configure an On-Demand Capacity Reservation when the EC2 instances are launched.
Answers
D.
Configure an On-Demand Capacity Reservation when the EC2 instances are launched.
Suggested answer: A

Explanation:

Cluster Placement Group: This type of placement group is designed to provide low-latency network performance and high throughput by grouping instances within a single Availability Zone. It is ideal for applications that require tightly coupled node-to-node communication.

Configuration:

When launching EC2 instances, specify the option to launch them in a cluster placement group.

This ensures that the instances are physically located close to each other, reducing latency and increasing network throughput.

Benefits:

Low-Latency Communication: Instances in a cluster placement group benefit from enhanced networking capabilities, enabling low-latency communication.

High Network Throughput: The network performance within a cluster placement group is optimized for high throughput, which is essential for HPC workloads.

Placement Groups

High Performance Computing on AWS

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asked 16/09/2024
Corentin ADJOVI
36 questions
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