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A research lab needs low-cost computing for flexible jobs that tolerate sudden termination.
Which AWS pricing, billing, or support approach best matches the requirement?
Spot capacity can be discounted but may be reclaimed with interruption notices and is unsuitable for uninterrupted critical jobs. For the described requirement, choose EC2 Spot Instances for interruption-tolerant workloads.
On-Demand billing allows eligible EC2 capacity without an upfront duration commitment, though its unit price may be higher.
Savings Plans trade a spend commitment for discounted eligible compute usage and differ in flexibility by plan type.
Dedicated Hosts provide single-customer physical server tenancy and host-level allocation features for supported licensing needs.
A local retailer wants its shopping application available to customers on several continents without building new data centers.
Which AWS concept, service, or approach best meets the need described?
AWS global infrastructure enables geographic reach and faster regional market entry while the business remains responsible for its application. For the described requirement, choose AWS global Regions to place workloads nearer intended users without acquiring foreign data centers.
Elasticity aligns provisioned resources with current need instead of maintaining permanent peak-sized local capacity.
Metered cloud consumption lowers initial capital outlay and supports experiments with uncertain future demand.
AWS supplies resilient infrastructure options but application architecture and chosen deployment patterns still affect availability.
A procurement specialist asks whether public cloud means customers must share their application passwords.
Which observation would best confirm that the intended cloud outcome is being achieved?
AWS public cloud is provider-operated multi-tenant infrastructure; customer data access still depends on security controls.
AWS APIs can be called by scripts and tools to standardize supported tasks at scale.
The console offers a graphical interface appropriate for human-directed AWS service inspection.
Hybrid deployments combine local infrastructure with cloud services instead of requiring full relocation.
A customer service manager wants a managed service for call queues and agent workflows.
Which observation would best confirm that the intended cloud outcome is being achieved?
Amazon Connect supports contact-center interactions and routing rather than bulk marketing email delivery.
Amazon SES supports sending emails and is distinct from contact-center voice workflows.
EventBridge routes matching events from supported sources to configured destinations.
SNS can distribute published messages to configured endpoints and subscribers.
An organization worries that cloud log data may be missing for a newly added account.
Which AWS concept, service, or approach best meets the need described?
An organization trail helps collect supported account activity across participating AWS Organizations accounts. For the described requirement, set up organization-wide CloudTrail coverage and review the accounts included in its trail.
GuardDuty analyzes supported data sources to identify suspicious activity rather than performing a general resource inventory.
CloudTrail records supported API operations and identity context for audit and investigation.
Inspector identifies vulnerabilities and related exposure in supported compute resources.
A media provider compares charges for uploading source objects and delivering many terabytes to external clients.
Which observation would best confirm that the intended cloud outcome is being achieved?
Data leaving AWS can incur transfer charges based on service and path, while ordinary ingress pricing often differs.
Dedicated Hosts provide single-customer physical server tenancy and host-level allocation features for supported licensing needs.
Reserved Instance pricing offers commitment-based discounts subject to instance attributes and purchasing terms.
On-Demand billing allows eligible EC2 capacity without an upfront duration commitment, though its unit price may be higher.
A business wants cloud-hosted contact center capabilities for incoming customer calls.
Which observation would best confirm that the intended cloud outcome is being achieved?
Amazon Connect supports contact-center interactions and routing rather than bulk marketing email delivery.
Amazon SES supports sending emails and is distinct from contact-center voice workflows.
IoT Core supports communication between approved devices and cloud services.
SNS can distribute published messages to configured endpoints and subscribers.
A data owner wants a report about potential confidential data exposure in S3 object stores.
Which observation would best confirm that the intended cloud outcome is being achieved?
Macie assists with sensitive-data discovery, unlike CloudTrail which records resource API activity.
An organization trail helps collect supported account activity across participating AWS Organizations accounts.
Stored-object encryption protects persisted content; transport encryption protects communication between endpoints.
AWS WAF evaluates layer-7 web requests using rules instead of replacing VPC network routing.
An application uses a third-party integration that asks for its AWS access key in plain text.
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.
AWS managed policies are maintained by AWS; customer managed policies are created and governed by the customer.
Role separation prevents business users from inheriting broad resource modification permissions.
STS role assumption permits controlled cross-account access without sharing long-lived access keys.
A security team wants to train new staff to separate security of the cloud from security in the cloud.
Which observation would best confirm that the intended cloud outcome is being achieved?
The model divides accountability rather than transferring all security decisions to one party.
AWS operates physical infrastructure, whereas EC2 customer workloads retain OS and data responsibilities.
AWS secures the service infrastructure while customers control authorization and exposure of their S3 objects.
AWS certification of infrastructure does not automatically make customer configurations or data practices compliant.
A department has many unused development resources and needs a structured cost review principle.
Which AWS concept, service, or approach best meets the need described?
Cost optimization focuses on spending that delivers business value, including usage visibility and demand matching. For the described requirement, use the cost optimization pillar to examine expenditures and avoid waste.
Reliability addresses fault recovery, capacity to meet demand, and resilient operation.
The pillars are operational excellence, security, reliability, performance efficiency, cost optimization and sustainability, not individual AWS services.
The security pillar focuses on protecting systems and data using appropriate identity and detection controls.
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