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A cloud introduction class asks whether AWS and customers have identical tasks across all AWS services.
Which observation would best confirm that the intended cloud outcome is being achieved?
Customer OS patching is greater for EC2 than Lambda, while code and data responsibilities remain with the customer.
AWS manages the execution infrastructure but cannot automatically enforce application business logic or secure customer code.
AWS infrastructure availability does not transfer responsibility for defects in customer-owned business applications.
AWS is responsible for facilities, hardware and underlying infrastructure used to provide its cloud services.
A security analyst confuses reliability with confidentiality when classifying an audit recommendation.
Which AWS concept, service, or approach best meets the need described?
Security addresses protection from unauthorized access; reliability concerns continuing and recovering service delivery. For the described requirement, classify encryption and controlled access as security rather than reliability concerns.
The security pillar focuses on protecting systems and data using appropriate identity and detection controls.
Operational excellence emphasizes runbooks, feedback, monitoring and continually refining operational processes.
Reliability addresses fault recovery, capacity to meet demand, and resilient operation.
A manufacturer asks why moving an application to AWS does not by itself guarantee that the service will never go down.
Which AWS concept, service, or approach best meets the need described?
AWS supplies resilient infrastructure options but application architecture and chosen deployment patterns still affect availability. For the described requirement, distinguish cloud availability capabilities from the customer's responsibility to configure resilient workloads.
Provisioning through AWS APIs and consoles improves agility by reducing procurement delays for new environments.
Elastic self-service consumption can improve efficiency when unnecessary resources are stopped or released.
Elasticity aligns provisioned resources with current need instead of maintaining permanent peak-sized local capacity.
A manager wants to understand whether a fixed long-term purchasing promise reduces spending flexibility.
Which observation would best confirm that the intended cloud outcome is being achieved?
Discounted commitment models may reduce eligible usage rates while increasing obligations when demand changes.
Cloud economics includes business agility and opportunity value, not merely monthly compute prices.
Cloud providers spread infrastructure investment and operating efficiencies across many customers.
Cloud choices vary in who manages software, patching and operations, affecting labor and maintenance cost.
A networking team needs stateless filtering that applies at the subnet boundary.
Which AWS concept, service, or approach best meets the need described?
Network ACLs evaluate inbound and outbound subnet traffic independently and are stateless. For the described requirement, use VPC network ACL rules for stateless subnet-level traffic controls.
Private subnets without direct internet routes help limit direct exposure of backend systems.
NAT gateways support outbound internet access through a public route while not providing unsolicited inbound initiation.
AWS VPN establishes encrypted tunnels between customer networks and AWS network endpoints.
An archive is rarely read and the company wants a cheaper storage tier with different retrieval characteristics.
Which AWS pricing, billing, or support approach best matches the requirement?
Lower storage rates can involve retrieval fees, time delays or duration requirements depending on class. For the described requirement, compare S3 storage-class prices together with retrieval and minimum-duration conditions.
Spot capacity can be discounted but may be reclaimed with interruption notices and is unsuitable for uninterrupted critical jobs.
Savings Plans trade a spend commitment for discounted eligible compute usage and differ in flexibility by plan type.
Capacity Reservations address eligible instance-capacity availability rather than inherently reducing the cost of the instances.
A regulated team wants to avoid assigning privileged deployment rights to read-only employees.
Which AWS concept, service, or approach best meets the need described?
Role separation prevents business users from inheriting broad resource modification permissions. For the described requirement, use separate least-privilege IAM roles tailored to distinct job duties.
MFA adds a second authentication factor to protect against password-only compromise.
IAM policies express permitted actions on supported resources; broad wildcard privileges are usually unnecessary.
Federation leverages an established identity provider to issue access without separate local passwords.
A project manager wants to know who must remove an overly broad inbound port rule in the account.
Which observation would best confirm that the intended cloud outcome is being achieved?
The service provider operates the network infrastructure but customers determine network access rules for workloads.
AWS offers encryption features, but customers must choose appropriate configuration and manage access and key permissions.
AWS certification of infrastructure does not automatically make customer configurations or data practices compliant.
AWS manages the execution infrastructure but cannot automatically enforce application business logic or secure customer code.
A finance team wants to compare upfront server purchases with charges that vary as its users consume resources.
Which AWS concept, service, or approach best meets the need described?
Cloud consumption pricing can shift spending from equipment purchase to charges based on service usage. For the described requirement, differentiate fixed capital investment from metered operating expenditure.
Right-sizing reduces waste by matching provisioned resource size to the work performed.
Cloud choices vary in who manages software, patching and operations, affecting labor and maintenance cost.
Discounted commitment models may reduce eligible usage rates while increasing obligations when demand changes.
A workload must remain in a specific country to meet a documented data residency policy.
Which AWS concept, service, or approach best meets the need described?
Choosing Region determines the geographic location of many deployed resources and data residency choices. For the described requirement, select an AWS Region consistent with service availability and applicable data-residency requirements.
Edge locations serve nearby delivery needs; Availability Zones host fault-isolated regional workloads.
Availability Zones are separate fault-isolation locations within a Region.
A Region is a geographic AWS area containing multiple isolated Availability Zones.
A global sales organization is considering opening a digital service in a country where it has no offices.
Which observation would best confirm that the intended cloud outcome is being achieved?
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.
AWS supplies resilient infrastructure options but application architecture and chosen deployment patterns still affect availability.
AWS global infrastructure enables geographic reach and faster regional market entry while the business remains responsible for its application.
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