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A data-processing job needs high CPU throughput rather than a large in-memory working set.
Which observation would best confirm that the intended cloud outcome is being achieved?
Compute-optimized families provide a higher ratio of processing capacity for eligible CPU-bound tasks.
Amazon ECS manages placement and service operation of containers in an AWS-native orchestration model.
Amazon EKS provides AWS-managed Kubernetes control-plane capabilities for Kubernetes-based applications.
Memory-optimized instance categories are designed for workloads needing substantial available RAM.
A web application repeatedly retrieves the same database records and wants a fast in-memory cache.
Which AWS concept, service, or approach best meets the need described?
ElastiCache supports low-latency in-memory access and can reduce load on a persistent system of record. For the described requirement, use Amazon ElastiCache as a managed in-memory caching layer.
AWS DMS assists database replication and migration between supported sources and targets.
Amazon RDS operates supported relational databases with managed infrastructure and routine platform tasks.
Amazon Redshift is designed for analytics and warehouse workloads rather than conventional app transactions.
A new cloud governance committee needs to distinguish the Framework from a list of specific products.
Which AWS concept, service, or approach best meets the need described?
The pillars are operational excellence, security, reliability, performance efficiency, cost optimization and sustainability, not individual AWS services. For the described requirement, use the six Well-Architected pillars as cross-cutting architecture evaluation dimensions.
Reliability addresses fault recovery, capacity to meet demand, and resilient operation.
Operational excellence emphasizes runbooks, feedback, monitoring and continually refining operational processes.
Selecting fit-for-purpose resources meets performance needs without automatically overprovisioning.
An office uses AWS Lambda and asks whether its developers still need to protect application secrets.
Which observation would best confirm that the intended cloud outcome is being achieved?
AWS manages the execution infrastructure but cannot automatically enforce application business logic or secure customer code.
RDS reduces customer responsibility for host and engine administration compared with hosting a database directly on EC2.
AWS secures the service infrastructure while customers control authorization and exposure of their S3 objects.
AWS operates physical infrastructure, whereas EC2 customer workloads retain OS and data responsibilities.
A mobile app uploads product images and other static assets of varying size.
Which AWS concept, service, or approach best meets the need described?
S3 stores objects in buckets and is not mounted like an ordinary instance block device. For the described requirement, use Amazon S3 as object storage for unstructured application assets.
S3 Lifecycle automates supported tier changes and expirations based on defined rules.
Instance store is physically attached ephemeral storage and must not hold data requiring persistence through host loss.
S3 archival classes trade access characteristics for lower storage costs on eligible archived data.
A company asks who repairs a failed physical storage device beneath its EBS volumes.
Which AWS concept, service, or approach best meets the need described?
AWS operates physical infrastructure, whereas EC2 customer workloads retain OS and data responsibilities. For the described requirement, assign underlying AWS hardware repair to AWS while customers manage guest file systems and stored data.
AWS infrastructure availability does not transfer responsibility for defects in customer-owned business applications.
AWS manages the execution infrastructure but cannot automatically enforce application business logic or secure customer code.
The service provider operates the network infrastructure but customers determine network access rules for workloads.
An e-commerce system needs a serverless-friendly key-value store with predictable scaling.
Which observation would best confirm that the intended cloud outcome is being achieved?
DynamoDB is a managed NoSQL database suited to key-based access and flexible item structures.
Amazon RDS operates supported relational databases with managed infrastructure and routine platform tasks.
ElastiCache supports low-latency in-memory access and can reduce load on a persistent system of record.
AWS SCT helps assess and convert database schema objects during migration between different engines.
A digital service wants automated compute capacity adjustments when workload signals change.
Which observation would best confirm that the intended cloud outcome is being achieved?
Auto Scaling can increase and decrease EC2 instance count based on configured policies and signals.
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.
Fargate supplies the underlying capacity for containers used with supported ECS or EKS configurations.
A media studio has petabytes of offline assets at an isolated location with insufficient WAN bandwidth.
Which observation would best confirm that the intended cloud outcome is being achieved?
AWS Snowball supports bulk data movement using shipped devices for constrained-network migration cases.
Application retirement eliminates the maintenance and migration burden for systems no longer needed.
Early portfolio and dependency discovery reduces unplanned migration sequencing and operational disruption.
Refactoring involves significant application design changes to exploit cloud-native capabilities.
A company wants to deploy containerized services using AWS-supported scheduling without managing Kubernetes itself.
Which observation would best confirm that the intended cloud outcome is being achieved?
Amazon ECS manages placement and service operation of containers in an AWS-native orchestration model.
Lightsail offers simplified VPS plans with predictable bundles for straightforward applications.
Amazon EKS provides AWS-managed Kubernetes control-plane capabilities for Kubernetes-based applications.
Lambda executes functions on demand and manages underlying compute for the customer.
An education website leaves training servers running long after scheduled student labs end.
Which AWS concept, service, or approach best meets the need described?
Automation can reduce cloud consumption expense by ending resources when no business activity needs them. For the described requirement, schedule shutdown or release of unused temporary cloud environments.
Cloud choices vary in who manages software, patching and operations, affecting labor and maintenance cost.
Right-sizing reduces waste by matching provisioned resource size to the work performed.
A complete TCO comparison includes ongoing facility and maintenance expenses as well as hardware.
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