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Amazon AWS Certified Solutions Architect - Professional SAP-C02 Bundle

Exam Code: AWS Certified Solutions Architect - Professional SAP-C02

Exam Name AWS Certified Solutions Architect - Professional SAP-C02

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Corresponding Certification: AWS Certified Solutions Architect - Professional

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Amazon AWS Certified Solutions Architect - Professional SAP-C02 Practice Test 50

Question 490

For the enterprise requirement "Operations needs one centralized queue of cost optimization recommendations from multiple AWS services", the team implemented this change: Use AWS Cost Optimization Hub with supported account enrollment and recommendation aggregation. Which result specifically demonstrates the fix works?

  1. Finance sees prioritized savings opportunities and can distinguish overlapping cost recommendations
  2. Central compliance dashboards include resource findings from configured participating accounts and Regions
  3. Shared applicable discounts and uncovered on-demand baseline are visible by linked account
  4. Finance can reconcile detailed usage line items to accounts and cost categories

Explanation

Correct Answer

A:

This measures the behavior required by the specific solution, rather than simply checking that it was configured. Cost Optimization Hub consolidates and de-duplicates supported AWS cost recommendations. The acceptance condition is linked directly to the scenario: Operations needs one centralized queue of cost optimization recommendations from multiple AWS services.

Incorrect Answers

B:

Central compliance dashboards include resource findings from configured participating accounts and Regions. However, this does not establish the required outcome: finance sees prioritized savings opportunities and can distinguish overlapping cost recommendations.

C:

Shared applicable discounts and uncovered on-demand baseline are visible by linked account. However, this does not establish the required outcome: finance sees prioritized savings opportunities and can distinguish overlapping cost recommendations.

D:

Finance can reconcile detailed usage line items to accounts and cost categories. However, this does not establish the required outcome: finance sees prioritized savings opportunities and can distinguish overlapping cost recommendations.

Question 491

An architecture review recommends this solution: Define the infrastructure in AWS CDK and synthesize reviewed CloudFormation templates through the deployment pipeline. The motivating situation is: A developer fleet repeatedly creates slightly different cloud infrastructure for the same application environment. Which statement explains why the recommendation solves the specific problem?

  1. CDK expresses infrastructure as code while CloudFormation supplies deployed resource state
  2. Multi-Region pipelines can enforce explicit promotion and approval boundaries
  3. Blue-green deployment separates old and new environments to support safe traffic shifting
  4. Aurora reader endpoints balance connections to read replicas for read workloads

Explanation

Correct Answer

A:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Define the infrastructure in AWS CDK and synthesize reviewed CloudFormation templates through the deployment pipeline. The expected supporting evidence is: Identical input configurations yield reviewed deployment changes and detectable drift rather than ad hoc resources.

Incorrect Answers

B:

Independent release scripts lack enforceable promotion ordering and approval evidence. The stated evidence instead indicates: Console-created infrastructure diverged from versioned architecture definitions.

C:

In-place overwriting of every production instance removed the healthy comparison environment. The stated evidence instead indicates: Console-created infrastructure diverged from versioned architecture definitions.

D:

Every reporting query was sent to the cluster writer endpoint despite available readers. The stated evidence instead indicates: Console-created infrastructure diverged from versioned architecture definitions.

Question 492

A deployed environment still does not meet the original requirement: Finance collects optimizer suggestions from Compute Optimizer, Trusted Advisor and cost dashboards but counts the same recommendation more than once. Which root cause is most consistent with the observation?

  1. Potential savings from the same infrastructure change are double counted in separate reports
  2. Premium IOPS are maintained without evidence of workload needing them
  3. Static security policy documents are not technically enforced against resource drift
  4. Instances remain oversized based only on purchase history rather than performance evidence

Explanation

Correct Answer

A:

This is the technical design error aligned with the unmet requirement. Consolidated savings recommendations should not be summed blindly across sources. The appropriate correction is: Use Cost Optimization Hub for supported consolidated recommendations and track deduplicated savings. The control should then be tested by verifying that Finance reports one adjusted opportunity per overlapping recommendation source.

Incorrect Answers

B:

Premium IOPS are maintained without evidence of workload needing them. The stated evidence instead indicates: Potential savings from the same infrastructure change are double counted in separate reports.

C:

Static security policy documents are not technically enforced against resource drift. The stated evidence instead indicates: Potential savings from the same infrastructure change are double counted in separate reports.

D:

Instances remain oversized based only on purchase history rather than performance evidence. The stated evidence instead indicates: Potential savings from the same infrastructure change are double counted in separate reports.

Question 493

An architecture review recommends this solution: Maintain a pilot-light copy of the essential data and core services and automate remaining capacity restoration. The motivating situation is: A legacy application has a few-hour RTO but cannot justify running the complete secondary stack continuously. Which architectural reasoning is most accurate for the choice?

  1. Pilot light retains critical replicated services while reconstructing additional capacity during recovery
  2. Backup-and-restore DR suits longer RTO targets when restore execution is practiced
  3. Warm standby keeps a functional smaller recovery environment ready for rapid scaling
  4. CloudFront edge caching reduces origin fetches for cacheable content

Explanation

Correct Answer

A:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Maintain a pilot-light copy of the essential data and core services and automate remaining capacity restoration. The expected supporting evidence is: A drill scales the secondary stack from its minimal footprint within the agreed RTO.

Incorrect Answers

B:

A backup exists but no restore procedure or measured restore duration has been proven. The stated evidence instead indicates: Every component must be rebuilt from scratch after failure, despite a tighter RTO.

C:

Backup-only DR cannot restart the platform quickly enough for the required minutes-long RTO. The stated evidence instead indicates: Every component must be rebuilt from scratch after failure, despite a tighter RTO.

D:

Every static asset fetch goes to a distant origin instead of the edge cache. The stated evidence instead indicates: Every component must be rebuilt from scratch after failure, despite a tighter RTO.

Question 494

A professional architect is reviewing two independent workstreams. Requirement A: A shared API must protect downstream capacity during a request spike without losing monitoring of throttled clients. Requirement B: A shared EFS file system slows a data-processing batch even though compute workers are mostly idle. Choose TWO actions that directly address these separate problems.

  1. Configure Global Accelerator listeners and healthy regional ALB or NLB endpoints
  2. Define API Gateway throttling limits and usage or monitoring controls that match allowed request rates
  3. Evaluate EFS throughput and performance modes and provision an appropriate supported throughput setting
  4. Send eligible reads through the Aurora reader endpoint and provision suitable replica capacity
  5. Configure a suitable RDS cross-Region read replica where supported and rehearse replica promotion and endpoint changes

Explanation

Correct Answers

B:

This action meets the independently stated requirement A: A shared API must protect downstream capacity during a request spike without losing monitoring of throttled clients. API Gateway throttle controls bound request rates but callers should handle 429 responses. A direct acceptance check is: Excess requests return expected throttling responses while permitted traffic continues under peak simulation.

C:

This action meets the independently stated requirement B: A shared EFS file system slows a data-processing batch even though compute workers are mostly idle. EFS throughput characteristics must match concurrent IO patterns and required sustained rate. A direct acceptance check is: File-system throughput reaches target under representative concurrent processing without exhausted credits.

Incorrect Answers

A:

This action targets a different technical need: A global TCP service wants static public entry addresses and traffic steering over the AWS global network for lowest path latency. It does not replace either required solution in A or B. Global Accelerator accelerates supported TCP/UDP applications without serving as an HTTP content cache; verify the two stated requirements independently rather than accepting an unrelated change.

D:

This action targets a different technical need: An Aurora-backed API has too many queries on the writer and wants to distribute read-only reporting traffic. It does not replace either required solution in A or B. Aurora reader endpoints balance connections to read replicas for read workloads; verify the two stated requirements independently rather than accepting an unrelated change.

E:

This action targets a different technical need: A read-heavy reporting application needs an up-to-date secondary regional database copy that can be promoted in a disaster. It does not replace either required solution in A or B. Cross-Region read replicas are asynchronous and may require explicit promotion in recovery; verify the two stated requirements independently rather than accepting an unrelated change.

Question 495

An enterprise architecture team faces this design requirement: A Route 53 failover policy must move users between two independent public endpoints when the primary application fails. What design change should the team implement?

  1. Configure S3 replication rules with correct versioning and KMS permissions for destination encrypted objects
  2. Configure Route 53 health checks with primary and secondary failover records and tested TTL behavior
  3. Configure a suitable RDS cross-Region read replica where supported and rehearse replica promotion and endpoint changes
  4. Update the KMS key policy or grants alongside the principal's IAM permissions as required

Explanation

Correct Answer

B:

DNS health-based failover changes record responses, but clients may cache prior results. The required architecture outcome is: A Route 53 failover policy must move users between two independent public endpoints when the primary application fails. Validate this choice by checking that A primary health-check failure leads subsequent name resolutions toward the healthy backup Region.

Incorrect Answers

A:

The destination bucket is present but replication cannot use the destination KMS key. The specific problem here is that records use ordinary simple routing without failover health awareness.

C:

A standard read replica is assumed to be a synchronous multi-Region failover mechanism without promotion. The specific problem here is that records use ordinary simple routing without failover health awareness.

D:

IAM principal permission was mistaken for sufficient access despite a restrictive KMS key policy. The specific problem here is that records use ordinary simple routing without failover health awareness.

Question 496

An architecture review recommends this solution: Build CloudWatch operational dashboards with service-specific metrics, structured logging, and correlation identifiers. The motivating situation is: Service owners cannot separate API traffic incidents from infrastructure incidents across ten microservices. Which statement explains why the recommendation solves the specific problem?

  1. State machines improve auditability when state transitions and idempotency are designed
  2. Placement and traffic pattern matter to data transfer costs as much as raw compute prices
  3. Meaningful dashboards align telemetry with system service boundaries and indicators
  4. Operational excellence requires observable application SLOs tied to business-critical behavior

Explanation

Correct Answer

C:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Build CloudWatch operational dashboards with service-specific metrics, structured logging, and correlation identifiers. The expected supporting evidence is: An incident view identifies the affected service and response latency rather than just total fleet CPU.

Incorrect Answers

A:

Untracked imperative orchestration repeats previous side effects after transient failures. The stated evidence instead indicates: Metrics and logs are not organized into actionable per-service operational signals.

B:

Workload service calls repeatedly cross paid network boundaries without quantified need. The stated evidence instead indicates: Metrics and logs are not organized into actionable per-service operational signals.

D:

Engineers measure host utilization but not the outcomes experienced by users. The stated evidence instead indicates: Metrics and logs are not organized into actionable per-service operational signals.

Question 497

An architecture review recommends this solution: Set up IAM Identity Center account assignments with role-scoped permission sets and centralized joiner-leaver management. The motivating situation is: Business units need temporary developer access to multiple accounts but not permanent local IAM users. Why does this approach fit the stated design constraints?

  1. Service-specific delegated administration provides controlled cross-account security operations
  2. AWS Budgets supports spend targets and notifications on actual or forecasted cost
  3. Organizational units help assign governance boundaries to related member accounts
  4. Central identity assignments reduce stale credentials and standardize workforce access

Explanation

Correct Answer

D:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Set up IAM Identity Center account assignments with role-scoped permission sets and centralized joiner-leaver management. The expected supporting evidence is: Revoking a staff member's assignment removes their delegated access without per-account user deletion.

Incorrect Answers

A:

Management-account-only operations were mistaken for necessary daily centralized security administration. The stated evidence instead indicates: Each business unit manually maintains duplicative IAM users in workload accounts.

B:

The team relies exclusively on retrospective end-of-month billing statements. The stated evidence instead indicates: Each business unit manually maintains duplicative IAM users in workload accounts.

C:

All accounts share one indiscriminate service-control policy despite different risk profiles. The stated evidence instead indicates: Each business unit manually maintains duplicative IAM users in workload accounts.

Question 498

A professional architect is reviewing two independent workstreams. Requirement A: A product catalog on DynamoDB receives many repeated eventually consistent key lookups and requires microsecond cache responses. Requirement B: Unpredictably accessed objects are retained for a year, but no reliable access-frequency segmentation is known. Choose TWO remedies that meet A and B respectively.

  1. Scale ECS services or EC2 Auto Scaling from queue depth and processing time metrics
  2. Use the applicable interface and gateway VPC endpoints and restrict endpoint policies and subnet routes as needed
  3. Benchmark supported arm64 builds on Graviton instance families and deploy only after compatibility validation
  4. Introduce DynamoDB DAX for supported cacheable read paths and check data freshness requirements
  5. Apply S3 Intelligent-Tiering with suitable monitoring and eligibility checks

Explanation

Correct Answers

D:

This action meets the independently stated requirement A: A product catalog on DynamoDB receives many repeated eventually consistent key lookups and requires microsecond cache responses. DAX offers managed in-memory caching for eligible DynamoDB read workloads. A direct acceptance check is: The repeated key lookup hits DAX with lower latency while noncacheable paths use the underlying table.

E:

This action meets the independently stated requirement B: Unpredictably accessed objects are retained for a year, but no reliable access-frequency segmentation is known. S3 Intelligent-Tiering can move eligible objects among access tiers based on access frequency. A direct acceptance check is: Storage-class distribution follows observed access and availability constraints without extensive manual classification.

Incorrect Answers

A:

This action targets a different technical need: A queue-backed worker fleet is underloaded overnight but still runs a fixed large number of instances. It does not replace either required solution in A or B. Queue-driven scaling aligns paid worker capacity with outstanding workload; verify the two stated requirements independently rather than accepting an unrelated change.

B:

This action targets a different technical need: An EC2 application requires private access to AWS Secrets Manager and S3 without traversing public network routes. It does not replace either required solution in A or B. VPC endpoints provide private connectivity to supported AWS services inside defined network and policy controls; verify the two stated requirements independently rather than accepting an unrelated change.

C:

This action targets a different technical need: A mature EC2 service wants to reduce response latency and CPU cost by moving to Graviton while preserving custom native dependencies. It does not replace either required solution in A or B. Graviton migration requires compatible architecture builds and representative workload benchmarking; verify the two stated requirements independently rather than accepting an unrelated change.

Question 499

A professional architect is reviewing two independent workstreams. Requirement A: A production deployment causes an outage because all old tasks were removed before new code passed tests. Requirement B: An EC2 fleet has low utilization and a migration team wants instance-family replacement recommendations backed by memory metrics. Which TWO controls should be used together for these separate scenarios?

  1. Correct target group health checks and deployment deregistration timing based on actual readiness semantics
  2. Introduce a blue-green deployment strategy with health alarms and traffic rollback
  3. Review capacity provider strategy, instance-type resources and task placement requirements
  4. Collect proper monitoring and evaluate AWS Compute Optimizer recommendations with SLO tests
  5. Benchmark throughput and latency, then evaluate a supported gp3 volume where required performance fits

Explanation

Correct Answers

B:

This action meets the independently stated requirement A: A production deployment causes an outage because all old tasks were removed before new code passed tests. Blue-green promotion protects a known-good environment until replacement quality is established. A direct acceptance check is: New instances become healthy before major traffic shift and rollback restores the previous code path.

D:

This action meets the independently stated requirement B: An EC2 fleet has low utilization and a migration team wants instance-family replacement recommendations backed by memory metrics. Compute Optimizer estimates rightsizing opportunities subject to compatibility and workload validation. A direct acceptance check is: Chosen sizes meet memory and peak latency needs while reducing wasteful instance spending.

Incorrect Answers

A:

This action targets a different technical need: An Application Load Balancer intermittently forwards traffic to unhealthy containers after their readiness endpoint fails. It does not replace either required solution in A or B. Load balancer health checks must match actual application readiness rather than superficial liveness; verify the two stated requirements independently rather than accepting an unrelated change.

C:

This action targets a different technical need: An ECS cluster has enough total CPU but tasks stay pending due to unsuitable placement and capacity provider configuration. It does not replace either required solution in A or B. ECS placement depends on available per-host resources and declared capacity-provider strategy; verify the two stated requirements independently rather than accepting an unrelated change.

E:

This action targets a different technical need: A database team purchased oversized io2 EBS performance when measured throughput is far below its actual needs. It does not replace either required solution in A or B. EBS volume-class selection should follow measured IO and durability requirements; verify the two stated requirements independently rather than accepting an unrelated change.

Question 500

An architecture review recommends this solution: Build a governed S3-centered data lake with AWS Glue metadata and appropriate analytics services. The motivating situation is: A legacy reporting ETL cluster requires durable raw data sharing and easier scale-out queries across departments. Which architectural reasoning is most accurate for the choice?

  1. Mainframe migrations need purpose-built assessment and conversion or replatform planning
  2. A shared governed object-storage lake decouples data retention from individual processing engines
  3. Event-driven boundaries isolate failure but require idempotency and message-delivery governance
  4. Storage Gateway helps bridge supported on-premises storage protocols to AWS-backed storage

Explanation

Correct Answer

B:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Build a governed S3-centered data lake with AWS Glue metadata and appropriate analytics services. The expected supporting evidence is: Separate analysts query approved lake datasets without direct access to the legacy ETL host.

Incorrect Answers

A:

Mainframe batch and transaction semantics were treated as if they were ordinary Linux workloads. The stated evidence instead indicates: All analytics jobs depend on a single custom ETL server and its directly attached storage.

C:

Tight synchronous coupling propagates a noncritical downstream failure to the primary transaction. The stated evidence instead indicates: All analytics jobs depend on a single custom ETL server and its directly attached storage.

D:

A direct S3 SDK rewrite was imposed on workloads that cannot change their file interface. The stated evidence instead indicates: All analytics jobs depend on a single custom ETL server and its directly attached storage.