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A company claims its data-center costs consist only of purchasing servers, ignoring facilities expense.
Which observation would best confirm that the intended cloud outcome is being achieved?
A complete TCO comparison includes ongoing facility and maintenance expenses as well as hardware.
Right-sizing reduces waste by matching provisioned resource size to the work performed.
Cloud consumption pricing can shift spending from equipment purchase to charges based on service usage.
Automation can reduce cloud consumption expense by ending resources when no business activity needs them.
A workload runs brief event-driven code only when a new record arrives.
Which observation would best confirm that the intended cloud outcome is being achieved?
Lambda executes functions on demand and manages underlying compute for the customer.
Memory-optimized instance categories are designed for workloads needing substantial available RAM.
Amazon EKS provides AWS-managed Kubernetes control-plane capabilities for Kubernetes-based applications.
Lightsail offers simplified VPS plans with predictable bundles for straightforward applications.
A manufacturer asks why moving an application to AWS does not by itself guarantee that the service will never go down.
Which observation would best confirm that the intended cloud outcome is being achieved?
AWS supplies resilient infrastructure options but application architecture and chosen deployment patterns still affect availability.
Availability Zones are isolated fault locations within a Region and reduce dependency on one data-center location.
Regional AWS infrastructure lets customers choose appropriate geographic placement subject to service availability and compliance.
Variable pricing links many cloud expenses to provisioned capacity and consumption while owned equipment has upfront fixed costs.
An access review asks what account practice lowers exposure from credentials no longer needed.
Which observation would best confirm that the intended cloud outcome is being achieved?
Unused permanent keys expand the credential attack surface without supporting an active business function.
IAM user groups let administrators attach permissions once for a collection of users.
Sign-in success is not sufficient; identity and resource policies and explicit denies influence authorization.
Authentication establishes who the principal is; authorization evaluates what the principal may do.
An organization needs enterprise search across its document sources with managed intelligent retrieval.
Which AWS concept, service, or approach best meets the need described?
Kendra indexes supported content sources and supports natural-language search relevance. For the described requirement, use Amazon Kendra for managed intelligent enterprise search.
SageMaker AI provides managed capabilities for training and hosting ML models.
Athena supports serverless interactive SQL analysis of data stored in S3.
Lex provides bot-building features including speech and natural-language intent processing.
A customer runs a web service on EC2 and asks who configures inbound security group rules.
Which AWS concept, service, or approach best meets the need described?
The service provider operates the network infrastructure but customers determine network access rules for workloads. For the described requirement, treat VPC security-group configuration as the customer's cloud security responsibility.
Managed database services reduce infrastructure work but do not determine the business sensitivity of stored records.
AWS operates physical infrastructure, whereas EC2 customer workloads retain OS and data responsibilities.
AWS infrastructure availability does not transfer responsibility for defects in customer-owned business applications.
A customer-support department wants a conversational text or voice chatbot.
Which observation would best confirm that the intended cloud outcome is being achieved?
Lex provides bot-building features including speech and natural-language intent processing.
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.
A company wants managed SMB file shares integrated with a Windows workload.
Which observation would best confirm that the intended cloud outcome is being achieved?
FSx for Windows File Server is a managed file option for Windows-compatible shared access.
S3 Lifecycle automates supported tier changes and expirations based on defined rules.
Storage Gateway connects local storage protocols and caching patterns to AWS cloud storage services.
Instance store is physically attached ephemeral storage and must not hold data requiring persistence through host loss.
A cloud owner wants one view of retention policies and backup jobs for eligible resources.
Which observation would best confirm that the intended cloud outcome is being achieved?
AWS Backup centralizes backup configuration for supported AWS resource types.
S3 archival classes trade access characteristics for lower storage costs on eligible archived data.
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.
A customer asks what geographic concept groups several Availability Zones under an AWS location.
Which observation would best confirm that the intended cloud outcome is being achieved?
A Region is a geographic AWS area containing multiple isolated Availability Zones.
Edge locations serve nearby delivery needs; Availability Zones host fault-isolated regional workloads.
Edge locations bring cached content and network services closer to end users.
Availability Zones are separate fault-isolation locations within a Region.
A customer wants a Well-Architected pillar for choosing efficient technologies and resources for a workload.
Which observation would best confirm that the intended cloud outcome is being achieved?
Performance efficiency concerns effective resource selection, adaptation and continued performance improvement.
Cost optimization focuses on spending that delivers business value, including usage visibility and demand matching.
The pillars are operational excellence, security, reliability, performance efficiency, cost optimization and sustainability, not individual AWS services.
Reliability addresses fault recovery, capacity to meet demand, and resilient operation.
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