SAA-C03 Question #305: Real Exam Question with Answer & Explanation

Question

A company has an industrial application that controls a process in real time. The company plans to rearchitect the application to distribute jobs across several Amazon EC2 instances in a VPC. The solution needs to maximize the network throughput and minimize the network latency between the instances. Which solution will meet these requirements?

Options

• APlace the instances in a host-level partition placement group. Choose instance types that support
• BPlace the instances in several dedicated hosts in the same partition of a partition placement
• CPlace the instances in several dedicated hosts in the same rack of a rack-level placement group.
• DPlace the instances in a cluster placement group. Choose instance types that support enhanced

Explanation

For applications requiring high network throughput and low latency between EC2 instances, AWS recommends using a Cluster Placement Group: Cluster Placement Group: Packs instances close together inside an Availability Zone, enabling workloads to achieve the low-latency network performance necessary for tightly-coupled node-to- node communication. Enhanced Networking: Selecting instance types that support enhanced networking provides higher bandwidth, higher packet-per-second (PPS) performance, and consistently lower inter- instance latencies. By combining a Cluster Placement Group with enhanced networking-enabled instance types, the company can meet the stringent performance requirements of its real-time industrial application.

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