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A cloud administrator asks whether application deployments should normally use root account credentials.
Which AWS concept, service, or approach best meets the need described?
Root credentials are highly privileged and should not be shared or used for daily operational activities. For the described requirement, reserve the root user for necessary account-level tasks and use delegated identities for routine work.
Authentication establishes who the principal is; authorization evaluates what the principal may do.
Secrets Manager is purpose-built for managing secret values instead of exposing credentials in source files.
MFA adds a second authentication factor to protect against password-only compromise.
A business wants change replication during an incremental database migration.
Which AWS concept, service, or approach best meets the need described?
AWS DMS assists database replication and migration between supported sources and targets. For the described requirement, use AWS Database Migration Service to move supported databases and changes.
AWS SCT helps assess and convert database schema objects during migration between different engines.
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.
A company wants to buy a partner-made solution or find a qualified implementation provider for its AWS journey.
Which AWS pricing, billing, or support approach best matches the requirement?
Marketplace lists partner offerings while the Partner Network connects customers with participating AWS-specialized businesses. For the described requirement, use AWS Marketplace or the AWS Partner Network to discover appropriate partner solutions and services.
AWS Health displays service events and, where applicable, account-specific impact information.
Support Center provides case management according to the account's plan and support entitlement.
AWS documentation is the primary provider-maintained reference for supported service behavior.
A development department finds idle test servers consuming electricity for most of the month.
Which observation would best confirm that the intended cloud outcome is being achieved?
Elastic self-service consumption can improve efficiency when unnecessary resources are stopped or released.
Cloud providers operate distributed infrastructure, but customers must select suitable services and fault-isolation designs.
Availability Zones are isolated fault locations within a Region and reduce dependency on one data-center location.
AWS supplies resilient infrastructure options but application architecture and chosen deployment patterns still affect availability.
A cloud risk team asks whether AWS compliance reports prove that every business application configuration is safe.
Which AWS concept, service, or approach best meets the need described?
Provider reports describe AWS controls, whereas application-specific obligations still need customer evidence. For the described requirement, use shared-responsibility control mapping alongside AWS Artifact evidence.
Stored-object encryption protects persisted content; transport encryption protects communication between endpoints.
AWS Config records supported resource configurations and evaluates them against configured compliance rules.
CloudWatch assesses metrics while notification integrations deliver the action signal to responders.
A company assumes two instances in the same Availability Zone provide protection from loss of the zone.
Which observation would best confirm that the intended cloud outcome is being achieved?
Multiple instances sharing one AZ remain exposed to an AZ-wide event despite instance-level redundancy.
Choosing Region determines the geographic location of many deployed resources and data residency choices.
A Region is a geographic AWS area containing multiple isolated Availability Zones.
Edge locations bring cached content and network services closer to end users.
A batch workload runs only during business hours, but its dedicated infrastructure stays on all weekend.
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 economics includes business agility and opportunity value, not merely monthly compute prices.
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 data science group needs an AWS ML platform for model-development workflows.
Which AWS concept, service, or approach best meets the need described?
SageMaker AI provides managed capabilities for training and hosting ML models. For the described requirement, use Amazon SageMaker AI for supported machine learning development activities.
Kinesis provides streaming-data services rather than a long-term relational warehouse.
Athena supports serverless interactive SQL analysis of data stored in S3.
QuickSight provides managed visualization and analytical dashboard capabilities.
A business sponsor asks for a simple framing of AWS and customer security responsibilities.
Which observation would best confirm that the intended cloud outcome is being achieved?
The model divides accountability rather than transferring all security decisions to one party.
RDS reduces customer responsibility for host and engine administration compared with hosting a database directly on EC2.
AWS operates physical infrastructure, whereas EC2 customer workloads retain OS and data responsibilities.
Managed database services reduce infrastructure work but do not determine the business sensitivity of stored records.
A product stores session metadata that does not require traditional relational joins.
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.
AWS SCT helps assess and convert database schema objects during migration between different engines.
ElastiCache supports low-latency in-memory access and can reduce load on a persistent system of record.
Aurora is AWS's managed relational engine designed for cloud operation and supported compatibility.
A virtual server needs a persistent block volume for its operating system and application data.
Which AWS concept, service, or approach best meets the need described?
EBS supplies block volumes for compatible EC2 instances rather than shared internet-facing object buckets. For the described requirement, use Amazon EBS for persistent EC2-attached block storage.
EFS provides elastic shared file access rather than an individual EC2 block disk.
Storage Gateway connects local storage protocols and caching patterns to AWS cloud storage services.
S3 stores objects in buckets and is not mounted like an ordinary instance block device.
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