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A trainee asks whether AWS edge points are a substitute for running application databases across AZs.
Which AWS concept, service, or approach best meets the need described?
Edge locations serve nearby delivery needs; Availability Zones host fault-isolated regional workloads. For the described requirement, distinguish edge caching from regional Availability Zone compute placement.
A Region is a geographic AWS area containing multiple isolated Availability Zones.
Using different AWS Regions can reduce dependence on one geographic Region when application design supports recovery.
Edge locations bring cached content and network services closer to end users.
An organization needs an automated policy to archive files after a retention period.
Which observation would best confirm that the intended cloud outcome is being achieved?
S3 Lifecycle automates supported tier changes and expirations based on defined rules.
EFS provides elastic shared file access rather than an individual EC2 block disk.
Instance store is physically attached ephemeral storage and must not hold data requiring persistence through host loss.
AWS Backup centralizes backup configuration for supported AWS resource types.
A company buys a third-party security product designed to run in its AWS environment.
Which observation would best confirm that the intended cloud outcome is being achieved?
AWS Marketplace lists third-party offerings and procurement options alongside AWS service integrations.
AWS publishes security practices and service guidance through official documentation and blogs.
Shield is focused on denial-of-service defense whereas IAM evaluates principal permissions.
WAF inspects HTTP requests with web ACL rules and complements rather than replaces network-layer controls.
A public-sector organization retains on-premises databases while moving web applications to the cloud.
Which observation would best confirm that the intended cloud outcome is being achieved?
Hybrid deployments combine local infrastructure with cloud services instead of requiring full relocation.
AWS CLI provides a command-based interface to AWS APIs and supports repeatable workflows.
AWS SDKs provide language-specific clients for application interactions with AWS APIs.
The console offers a graphical interface appropriate for human-directed AWS service inspection.
A marketing application has ample resources but repeatedly fails because changes are applied inconsistently.
Which observation would best confirm that the intended cloud outcome is being achieved?
Operational failures from unsafe processes require process and automation improvement, not simply bigger resources.
Performance efficiency concerns effective resource selection, adaptation and continued performance improvement.
Operational excellence emphasizes runbooks, feedback, monitoring and continually refining operational processes.
The pillars are operational excellence, security, reliability, performance efficiency, cost optimization and sustainability, not individual AWS services.
A research group needs short-lived infrastructure for a pilot that might be abandoned after one month.
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.
Elastic self-service consumption can improve efficiency when unnecessary resources are stopped or released.
Regional AWS infrastructure lets customers choose appropriate geographic placement subject to service availability and compliance.
Cloud providers operate distributed infrastructure, but customers must select suitable services and fault-isolation designs.
A cloud administrator asks whether application deployments should normally use root account credentials.
Which observation would best confirm that the intended cloud outcome is being achieved?
Root credentials are highly privileged and should not be shared or used for daily operational activities.
IAM policies express permitted actions on supported resources; broad wildcard privileges are usually unnecessary.
Identity Center manages workforce assignments and federation rather than sharing static IAM user credentials.
Sign-in success is not sufficient; identity and resource policies and explicit denies influence authorization.
A company expects to export large data volumes from AWS to users on the public internet.
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.
Capacity Reservations address eligible instance-capacity availability rather than inherently reducing the cost of the instances.
Lower storage rates can involve retrieval fees, time delays or duration requirements depending on class.
Savings Plans trade a spend commitment for discounted eligible compute usage and differ in flexibility by plan type.
A workload runs brief event-driven code only when a new record arrives.
Which AWS concept, service, or approach best meets the need described?
Lambda executes functions on demand and manages underlying compute for the customer. For the described requirement, choose AWS Lambda to run supported event-triggered functions without managing servers.
Auto Scaling can increase and decrease EC2 instance count based on configured policies and signals.
Lightsail offers simplified VPS plans with predictable bundles for straightforward applications.
Compute-optimized families provide a higher ratio of processing capacity for eligible CPU-bound tasks.
A purchase-processing service needs durable messages buffered between producers and asynchronous workers.
Which AWS concept, service, or approach best meets the need described?
SQS stores messages for consumer processing and differs from a publish-subscribe notification topic. For the described requirement, use Amazon SQS for message queuing between decoupled application components.
SNS can distribute published messages to configured endpoints and subscribers.
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 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.
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