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A software team wants an elastic managed NFS-compatible file system across multiple instances.
Which AWS concept, service, or approach best meets the need described?
EFS provides elastic shared file access rather than an individual EC2 block disk. For the described requirement, use Amazon EFS for a shared managed Linux-compatible file system.
EBS supplies block volumes for compatible EC2 instances rather than shared internet-facing object buckets.
S3 Lifecycle automates supported tier changes and expirations based on defined rules.
FSx for Windows File Server is a managed file option for Windows-compatible shared access.
An operations lead wants a principle for continually improving procedures using lessons from failures.
Which AWS concept, service, or approach best meets the need described?
Operational excellence emphasizes runbooks, feedback, monitoring and continually refining operational processes. For the described requirement, apply the operational excellence pillar of the AWS Well-Architected Framework to improve operations.
Sustainability encourages efficient resource usage and avoiding unnecessary capacity and processing.
Reliability addresses fault recovery, capacity to meet demand, and resilient operation.
The Framework is an ongoing design-assessment tool rather than a one-time certification of a deployment.
A headquarters needs cached on-premises file access to data stored in AWS.
Which observation would best confirm that the intended cloud outcome is being achieved?
Storage Gateway connects local storage protocols and caching patterns to AWS cloud storage services.
EBS supplies block volumes for compatible EC2 instances rather than shared internet-facing object buckets.
AWS Backup centralizes backup configuration for supported AWS resource types.
S3 archival classes trade access characteristics for lower storage costs on eligible archived data.
A university is comparing fixed server ownership against a service charged by measured consumption.
Which observation would best confirm that the intended cloud outcome is being achieved?
Variable pricing links many cloud expenses to provisioned capacity and consumption while owned equipment has upfront fixed costs.
Elasticity aligns provisioned resources with current need instead of maintaining permanent peak-sized local capacity.
Elastic self-service consumption can improve efficiency when unnecessary resources are stopped or released.
Metered cloud consumption lowers initial capital outlay and supports experiments with uncertain future demand.
An executive wants to identify current application dependencies and priorities before large-scale migration.
Which AWS concept, service, or approach best meets the need described?
Early portfolio and dependency discovery reduces unplanned migration sequencing and operational disruption. For the described requirement, assess and prioritize the application portfolio before selecting migration waves.
Repurchasing substitutes a new product licensing and delivery model for a legacy implementation.
AWS CAF addresses broader transformation readiness and governance instead of only transferring virtual machines.
AWS DMS helps move databases and replicate changes rather than serving as a general file-transfer service.
A startup wants to explain the strategic value of trying a cloud service before committing large budgets.
Which AWS concept, service, or approach best meets the need described?
Many AWS services can be used without buying underlying equipment; cost commitments vary by pricing option. For the described requirement, explain AWS's pay-as-you-go value proposition for eligible consumption-priced services.
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.
Metered cloud consumption lowers initial capital outlay and supports experiments with uncertain future demand.
A security lead wants an account-level threat-detection service that flags suspicious AWS activity.
Which observation would best confirm that the intended cloud outcome is being achieved?
GuardDuty uses supported signals to report suspected threats rather than inventorying all business contracts.
Trusted Advisor evaluates selected account checks and is not the same as a complete security audit.
Protective filters block matching traffic; detection services report suspicious activity for investigation.
AWS publishes security practices and service guidance through official documentation and blogs.
A cloud team wants to assign a centrally curated access policy from AWS rather than writing every statement itself.
Which observation would best confirm that the intended cloud outcome is being achieved?
AWS managed policies are maintained by AWS; customer managed policies are created and governed by the customer.
STS role assumption permits controlled cross-account access without sharing long-lived access keys.
Root credentials are highly privileged and should not be shared or used for daily operational activities.
Unused permanent keys expand the credential attack surface without supporting an active business function.
A reviewer thinks performance efficiency means buying the largest machine for every application.
Which observation would best confirm that the intended cloud outcome is being achieved?
Selecting fit-for-purpose resources meets performance needs without automatically overprovisioning.
Sustainability encourages efficient resource usage and avoiding unnecessary capacity and processing.
Reliability addresses fault recovery, capacity to meet demand, and resilient operation.
Cost optimization focuses on spending that delivers business value, including usage visibility and demand matching.
An organization thinks security duties end after AWS completes a third-party data-center audit.
Which AWS concept, service, or approach best meets the need described?
AWS certification of infrastructure does not automatically make customer configurations or data practices compliant. For the described requirement, distinguish AWS provider compliance controls from customer application and data compliance obligations.
AWS secures the underlying virtualization and facilities, while EC2 customers administer operating systems they install.
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.
A stateless application experiences a regular rise in customer demand during business hours.
Which AWS concept, service, or approach best meets the need described?
Auto Scaling can increase and decrease EC2 instance count based on configured policies and signals. For the described requirement, use EC2 Auto Scaling to adjust eligible EC2 instance capacity with demand.
Lightsail offers simplified VPS plans with predictable bundles for straightforward applications.
Memory-optimized instance categories are designed for workloads needing substantial available RAM.
Compute-optimized families provide a higher ratio of processing capacity for eligible CPU-bound tasks.
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