AWS Solutions Architect Cloud Architecture & Design 2

Question 1

A company needs to run a stateful application that requires consistent, low-latency network performance between instances. Which AWS placement strategy should be used?

Accepted Answer

Cluster placement group

Answer

Cluster placement groups pack instances close together in a single AZ, providing low-latency, high-throughput networking ideal for tightly coupled stateful workloads.

Question 2

An architect must design a solution where an S3 bucket in Account A can be accessed by EC2 instances in Account B. What is the recommended approach?

Accepted Answer

Use a bucket policy on the S3 bucket to grant access to Account B's IAM role

Answer

A resource-based bucket policy that grants access to the trusted IAM role or account in Account B is the recommended cross-account S3 access pattern.

Question 3

A workload requires processing messages exactly once, even if a producer sends duplicates. Which SQS feature addresses this requirement?

Accepted Answer

SQS FIFO Queue with content-based deduplication enabled

Answer

SQS FIFO queues with content-based deduplication use a SHA-256 hash of the message body to deduplicate messages within a 5-minute window.

Question 4

A Solutions Architect needs to ensure an application can tolerate the failure of an entire AWS Region. Which architecture best satisfies this requirement?

Accepted Answer

Active-active deployment across two AWS Regions with Route 53 latency routing

Answer

An active-active multi-region architecture with Route 53 routing ensures traffic is served from a healthy region if an entire region fails.

Question 5

Which AWS service provides a fully managed, serverless graph database optimized for storing and traversing highly connected datasets?

Accepted Answer

Amazon Neptune

Answer

Amazon Neptune is a fully managed graph database service designed for use cases like social networks, knowledge graphs, and fraud detection that require traversing relationships.

AWS Practice Test

AWS Practice Test

AWS Solutions Architect Cloud Architecture & Design 2