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A small firm cannot predict initial demand for its new product and wants to avoid purchasing hardware before validation.
Which AWS concept, service, or approach best meets the need described?
Metered cloud consumption lowers initial capital outlay and supports experiments with uncertain future demand. For the described requirement, use on-demand resource consumption rather than committing upfront to a permanently owned hardware fleet.
Elasticity aligns provisioned resources with current need instead of maintaining permanent peak-sized local capacity.
Availability Zones are isolated fault locations within a Region and reduce dependency on one data-center location.
Elastic self-service consumption can improve efficiency when unnecessary resources are stopped or released.
An account-registration service wants a scalable service for sending approved email messages.
Which AWS concept, service, or approach best meets the need described?
Amazon SES supports sending emails and is distinct from contact-center voice workflows. For the described requirement, use Amazon Simple Email Service for application email delivery.
EventBridge routes matching events from supported sources to configured destinations.
IoT Core supports communication between approved devices and cloud services.
Amazon Connect supports contact-center interactions and routing rather than bulk marketing email delivery.
A cloud operator wants to identify vulnerable software packages on EC2 workloads.
Which AWS concept, service, or approach best meets the need described?
Inspector identifies vulnerabilities and related exposure in supported compute resources. For the described requirement, use Amazon Inspector for eligible workload vulnerability assessments.
CloudWatch assesses metrics while notification integrations deliver the action signal to responders.
Audit Manager helps gather evidence against assessment controls but does not certify a customer's entire workload.
Macie assists with sensitive-data discovery, unlike CloudTrail which records resource API activity.
A team must decide which Well-Architected pillar addresses protection of credentials and workloads.
Which AWS concept, service, or approach best meets the need described?
The security pillar focuses on protecting systems and data using appropriate identity and detection controls. For the described requirement, apply the security pillar to prioritize identity, detection and protection of information.
Reliability addresses fault recovery, capacity to meet demand, and resilient operation.
Operational failures from unsafe processes require process and automation improvement, not simply bigger resources.
Sustainability encourages efficient resource usage and avoiding unnecessary capacity and processing.
An application must decouple order submission from slower background fulfillment work.
Which observation would best confirm that the intended cloud outcome is being achieved?
SQS stores messages for consumer processing and differs from a publish-subscribe notification topic.
Amazon Connect supports contact-center interactions and routing rather than bulk marketing email delivery.
EventBridge routes matching events from supported sources to configured destinations.
Amazon SES supports sending emails and is distinct from contact-center voice workflows.
A finance department wants centralized analytical queries instead of an operational transactional database.
Which AWS concept, service, or approach best meets the need described?
Amazon Redshift is designed for analytics and warehouse workloads rather than conventional app transactions. For the described requirement, choose Amazon Redshift for managed cloud data warehousing.
Amazon RDS operates supported relational databases with managed infrastructure and routine platform tasks.
AWS DMS assists database replication and migration between supported sources and targets.
Aurora is AWS's managed relational engine designed for cloud operation and supported compatibility.
A product team assumes a managed NoSQL service automatically selects the correct data retention policy.
Which observation would best confirm that the intended cloud outcome is being achieved?
Managed database services reduce infrastructure work but do not determine the business sensitivity of stored records.
AWS secures the service infrastructure while customers control authorization and exposure of their S3 objects.
AWS offers encryption features, but customers must choose appropriate configuration and manage access and key permissions.
AWS manages the execution infrastructure but cannot automatically enforce application business logic or secure customer code.
A data science group needs an AWS ML platform for model-development workflows.
Which observation would best confirm that the intended cloud outcome is being achieved?
SageMaker AI provides managed capabilities for training and hosting ML models.
QuickSight provides managed visualization and analytical dashboard capabilities.
Athena supports serverless interactive SQL analysis of data stored in S3.
Kendra indexes supported content sources and supports natural-language search relevance.
An organization needs an automated policy to archive files after a retention period.
Which AWS concept, service, or approach best meets the need described?
S3 Lifecycle automates supported tier changes and expirations based on defined rules. For the described requirement, configure S3 Lifecycle transitions for eligible objects based on age and requirements.
Storage Gateway connects local storage protocols and caching patterns to AWS cloud storage services.
EFS provides elastic shared file access rather than an individual EC2 block disk.
FSx for Windows File Server is a managed file option for Windows-compatible shared access.
A developer needs guidance on storing credentials safely rather than embedding them in code repositories.
Which AWS concept, service, or approach best meets the need described?
Secrets Manager is purpose-built for managing secret values instead of exposing credentials in source files. For the described requirement, store and rotate suitable application secrets with AWS Secrets Manager where appropriate.
Identity Center manages workforce assignments and federation rather than sharing static IAM user credentials.
Role separation prevents business users from inheriting broad resource modification permissions.
AWS managed policies are maintained by AWS; customer managed policies are created and governed by the customer.
A cloud introduction class asks whether AWS and customers have identical tasks across all AWS services.
Which observation would best confirm that the intended cloud outcome is being achieved?
Customer OS patching is greater for EC2 than Lambda, while code and data responsibilities remain with the customer.
AWS manages the execution infrastructure but cannot automatically enforce application business logic or secure customer code.
AWS infrastructure availability does not transfer responsibility for defects in customer-owned business applications.
AWS is responsible for facilities, hardware and underlying infrastructure used to provide its cloud services.
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