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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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Amazon AWS Certified Solutions Architect - Professional SAP-C02 Practice Test 32

Question 310

An architecture review recommends this solution: Configure a Config aggregator with organization or account sources and appropriate delegated read access. The motivating situation is: Governance wants one AWS Config compliance view from many accounts and Regions. Which architectural reasoning is most accurate for the choice?

  1. An organization trail and protected storage form a centralized account-wide auditing design
  2. AWS Private CA supports private certificate authorities for internal certificate issuance
  3. Organizational units help assign governance boundaries to related member accounts
  4. AWS Config aggregators consolidate configuration and compliance data without changing source resources

Explanation

Correct Answer

D:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Configure a Config aggregator with organization or account sources and appropriate delegated read access. The expected supporting evidence is: Central compliance dashboards include resource findings from configured participating accounts and Regions.

Incorrect Answers

A:

Local activity trails are not consolidated into the audit security boundary. The stated evidence instead indicates: Local Config assessments exist but no aggregation exposes cross-account status.

B:

Public ACM-issued certificates were wrongly assumed to provide a corporate private CA chain. The stated evidence instead indicates: Local Config assessments exist but no aggregation exposes cross-account status.

C:

All accounts share one indiscriminate service-control policy despite different risk profiles. The stated evidence instead indicates: Local Config assessments exist but no aggregation exposes cross-account status.

Question 311

A deployed environment still does not meet the original requirement: Several accounts have steady EC2 and Fargate spend and need a commitment that applies to qualifying compute usage flexibly. Which underlying cause should be investigated first?

  1. On-demand usage was left wholly uncommitted despite predictable baseline compute consumption
  2. RI purchases are evaluated only in the purchasing account without considering shared billing treatment
  3. The team relies exclusively on retrospective end-of-month billing statements
  4. Individual accounts use drifting custom schedules that do not match central backup policy

Explanation

Correct Answer

A:

This is the technical design error aligned with the unmet requirement. Compute Savings Plans apply eligible usage discounts across supported services and configurations. The appropriate correction is: Analyze commitments then purchase an appropriate Compute Savings Plan based on supported usage coverage. The control should then be tested by verifying that Eligible compute charges reflect the planned commitment discount and remaining coverage is visible.

Incorrect Answers

B:

RI purchases are evaluated only in the purchasing account without considering shared billing treatment. The stated evidence instead indicates: On-demand usage was left wholly uncommitted despite predictable baseline compute consumption.

C:

The team relies exclusively on retrospective end-of-month billing statements. The stated evidence instead indicates: On-demand usage was left wholly uncommitted despite predictable baseline compute consumption.

D:

Individual accounts use drifting custom schedules that do not match central backup policy. The stated evidence instead indicates: On-demand usage was left wholly uncommitted despite predictable baseline compute consumption.

Question 312

For the enterprise requirement "A legacy monolith must be separated into business capabilities gradually without taking a risky one-time rewrite", the team implemented this change: Apply the strangler pattern, routing one well-defined capability at a time to a tested new service. Which test result proves this architecture satisfies its stated constraint?

  1. Eligible file changes are transferred and verified by a scheduled DataSync task
  2. An end-to-end test request shows linked spans and reveals downstream latency without leaking credentials
  3. A forced downstream failure follows tested compensation logic without duplicating completed orders
  4. New capability traffic can be rolled back while untouched monolith endpoints remain functional

Explanation

Correct Answer

D:

This measures the behavior required by the specific solution, rather than simply checking that it was configured. Incremental strangler migration reduces cutover risk through bounded feature replacement. The acceptance condition is linked directly to the scenario: A legacy monolith must be separated into business capabilities gradually without taking a risky one-time rewrite.

Incorrect Answers

A:

Eligible file changes are transferred and verified by a scheduled DataSync task. However, this does not establish the required outcome: new capability traffic can be rolled back while untouched monolith endpoints remain functional.

B:

An end-to-end test request shows linked spans and reveals downstream latency without leaking credentials. However, this does not establish the required outcome: new capability traffic can be rolled back while untouched monolith endpoints remain functional.

C:

A forced downstream failure follows tested compensation logic without duplicating completed orders. However, this does not establish the required outcome: new capability traffic can be rolled back while untouched monolith endpoints remain functional.

Question 313

A professional architect is reviewing two independent workstreams. Requirement A: A global enterprise wants a portfolio-level view of application migrations, owners, blockers and cutover states. Requirement B: An estate of supported Linux and Windows VMs must rehost to EC2 with minimal application modification and short cutovers. Which TWO recommendations jointly satisfy requirements A and B?

  1. Use AWS Application Migration Service for compatible server replication, test launches and cutover orchestration
  2. Package services into supported containers and deploy with ECS on Fargate and scalable load balancing
  3. Use AWS DMS full load plus change data capture with compatible schema and monitored replication task
  4. Perform application dependency discovery and group connected workloads into migration waves
  5. Track AWS Transform migration wave and server states, and maintain centrally owned application milestones, blockers and cutover decisions

Explanation

Correct Answers

A:

This action meets the independently stated requirement B: An estate of supported Linux and Windows VMs must rehost to EC2 with minimal application modification and short cutovers. AWS MGN supports continuous server replication and orchestrated rehosting validation. A direct acceptance check is: Replicated servers boot in AWS test VPCs with verified application functionality before cutover.

E:

This action meets the independently stated requirement A: A global enterprise wants a portfolio-level view of application migrations, owners, blockers and cutover states. A centralized migration tracking layer supports coordination across application teams. A direct acceptance check is: Owners can trace migration milestones and blockers for each workload without conflicting local spreadsheets.

Incorrect Answers

B:

This action targets a different technical need: A monolithic Windows process has been decomposed into HTTP services that can run in managed containers without operating its own servers. It does not replace either required solution in A or B. Fargate can run supported ECS container tasks without customer-managed worker hosts; verify the two stated requirements independently rather than accepting an unrelated change.

C:

This action targets a different technical need: A business database needs a low-downtime migration from on-premises PostgreSQL to Amazon RDS PostgreSQL. It does not replace either required solution in A or B. AWS DMS can move data using full load and ongoing CDC for supported sources; verify the two stated requirements independently rather than accepting an unrelated change.

D:

This action targets a different technical need: A corporation has hundreds of interdependent on-premises services and cannot establish which databases must move together. It does not replace either required solution in A or B. Dependency mapping reduces migration risk by revealing the actual application interaction graph; verify the two stated requirements independently rather than accepting an unrelated change.

Question 314

An architecture review recommends this solution: Evaluate AWS Storage Gateway file or volume gateway mode against existing file protocol and caching requirements. The motivating situation is: Branch offices retain file shares locally but need backup and tiered cloud-backed storage without replacing every client. Why does this approach fit the stated design constraints?

  1. Storage Gateway helps bridge supported on-premises storage protocols to AWS-backed storage
  2. Container modernization requires tested runtime behavior and reversible client routing
  3. EKS provides a managed Kubernetes control plane for teams using Kubernetes-native tooling
  4. Amazon MQ can support compatible managed message brokers when protocol continuity matters

Explanation

Correct Answer

A:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Evaluate AWS Storage Gateway file or volume gateway mode against existing file protocol and caching requirements. The expected supporting evidence is: Local clients retain supported file access while selected data is persisted to eligible AWS storage.

Incorrect Answers

B:

Traffic was switched to the container environment before dependent services and probes were verified. The stated evidence instead indicates: A direct S3 SDK rewrite was imposed on workloads that cannot change their file interface.

C:

A non-Kubernetes orchestrator was chosen despite strict Kubernetes extension compatibility requirements. The stated evidence instead indicates: A direct S3 SDK rewrite was imposed on workloads that cannot change their file interface.

D:

Developers assume SQS has identical JMS or broker feature semantics to the source stack. The stated evidence instead indicates: A direct S3 SDK rewrite was imposed on workloads that cannot change their file interface.

Question 315

An architecture review recommends this solution: Tune CloudFront cache policies and origin behavior to increase cache hits while honoring freshness limits. The motivating situation is: A multinational website repeatedly serves cacheable large assets and incurs high origin data-transfer and request charges. Which principle would a reviewer use to defend this design?

  1. Spot Instances optimize interruptible capacity costs when jobs tolerate reclaim events
  2. CloudFront edge caching reduces origin fetches for cacheable content
  3. Gateway endpoints can avoid NAT traversal for eligible S3 and DynamoDB traffic
  4. Effective caching can reduce origin load and transfer cost for eligible content

Explanation

Correct Answer

D:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Tune CloudFront cache policies and origin behavior to increase cache hits while honoring freshness limits. The expected supporting evidence is: Origin request count and cacheable transferred bytes fall without serving stale protected content.

Incorrect Answers

A:

The workload uses only on-demand capacity despite safe restart or checkpoint semantics. The stated evidence instead indicates: The CDN forwards every request to origin due to ineffective cache keys or caching headers.

B:

Every static asset fetch goes to a distant origin instead of the edge cache. The stated evidence instead indicates: The CDN forwards every request to origin due to ineffective cache keys or caching headers.

C:

S3 calls egress through NAT because no supported endpoint route was configured. The stated evidence instead indicates: The CDN forwards every request to origin due to ineffective cache keys or caching headers.

Question 316

A professional architect is reviewing two independent workstreams. Requirement A: An organization needs a central security team to administer Inspector or GuardDuty for member accounts without using the management account daily. Requirement B: Finance needs engineering costs apportioned by team using tags rather than guessed from account totals. Choose TWO remedies that meet A and B respectively.

  1. Configure the applicable AWS Organizations delegated administrator in a dedicated security account
  2. Activate standardized cost allocation tags and enforce tagging through governance processes
  3. Enable VPC subnet sharing through AWS RAM for eligible accounts in the same organization
  4. Require tightly scoped role trust and a scoped session policy or condition that limits the assumed-role credentials
  5. Set up AWS Cost Anomaly Detection with relevant monitors and alert subscriptions

Explanation

Correct Answers

A:

This action meets the independently stated requirement A: An organization needs a central security team to administer Inspector or GuardDuty for member accounts without using the management account daily. Service-specific delegated administration provides controlled cross-account security operations. A direct acceptance check is: The delegated administrator can manage enrolled member security coverage within its supported scope.

B:

This action meets the independently stated requirement B: Finance needs engineering costs apportioned by team using tags rather than guessed from account totals. Cost allocation tags must be activated before they appear in billing cost analytics. A direct acceptance check is: Cost and Usage Reports or Cost Explorer show tagged team spend after activation and reporting delay.

Incorrect Answers

C:

This action targets a different technical need: Network administrators must manage a shared subnet centrally while application accounts place their own resources in it. It does not replace either required solution in A or B. VPC sharing separates network ownership from application resource ownership; verify the two stated requirements independently rather than accepting an unrelated change.

D:

This action targets a different technical need: A vendor assumes a role into an AWS account and must be restricted to one project's S3 prefix for that session only. It does not replace either required solution in A or B. Session policies intersect with role permissions and can reduce privileges for one temporary session; verify the two stated requirements independently rather than accepting an unrelated change.

E:

This action targets a different technical need: Variable monthly expenses must trigger alerts for unusual spending spikes without predefined per-service thresholds. It does not replace either required solution in A or B. Cost Anomaly Detection learns spending patterns and flags unusual expenditures; verify the two stated requirements independently rather than accepting an unrelated change.

Question 317

A deployed environment still does not meet the original requirement: An organization needs central inspection of east-west traffic from multiple spoke VPCs without asymmetric return flows. What original architectural gap most directly explains the failure?

  1. Local identity permissions were incorrectly treated as overriding organizational guardrails
  2. A single Direct Connect circuit creates a site-to-cloud connectivity single point of failure
  3. There is no independently functioning VPN path when private connectivity goes down
  4. The inspection design allows forward and return packets to use different stateful inspection appliances

Explanation

Correct Answer

D:

This is the technical design error aligned with the unmet requirement. Stateful network inspection requires symmetric paths through the selected inspection appliance. The appropriate correction is: Use Transit Gateway inspection VPC attachment with appliance mode and explicit symmetric inspection routes. The control should then be tested by verifying that Bidirectional flows traverse the inspection appliances consistently and approved inspection policies appear in logs.

Incorrect Answers

A:

Local identity permissions were incorrectly treated as overriding organizational guardrails. The stated evidence instead indicates: The inspection design allows forward and return packets to use different stateful inspection appliances.

B:

A single Direct Connect circuit creates a site-to-cloud connectivity single point of failure. The stated evidence instead indicates: The inspection design allows forward and return packets to use different stateful inspection appliances.

C:

There is no independently functioning VPN path when private connectivity goes down. The stated evidence instead indicates: The inspection design allows forward and return packets to use different stateful inspection appliances.

Question 318

An enterprise architecture team faces this design requirement: An order-processing system uses synchronous downstream calls and fails completely whenever one notification provider is slow. Which architecture decision best meets that precise requirement?

  1. Apply the strangler pattern, routing one well-defined capability at a time to a tested new service
  2. Redesign notifications into event-driven processing using EventBridge or SQS with idempotent consumers
  3. Package services into supported containers and deploy with ECS on Fargate and scalable load balancing
  4. Migrate shared application files to Amazon EFS with appropriate mount targets and throughput configuration

Explanation

Correct Answer

B:

Event-driven boundaries isolate failure but require idempotency and message-delivery governance. The required architecture outcome is: An order-processing system uses synchronous downstream calls and fails completely whenever one notification provider is slow. Validate this choice by checking that Orders complete independently of notification delays, while consumers process retries and duplicate deliveries safely.

Incorrect Answers

A:

An all-at-once replacement has unacceptable outage and rollback risk. The specific problem here is that tight synchronous coupling propagates a noncritical downstream failure to the primary transaction.

C:

Dedicated EC2 servers remain the scaling bottleneck for stateless containerized workloads. The specific problem here is that tight synchronous coupling propagates a noncritical downstream failure to the primary transaction.

D:

Local instance disks are wrongly used as a shared durable POSIX file system. The specific problem here is that tight synchronous coupling propagates a noncritical downstream failure to the primary transaction.

Question 319

A deployed environment still does not meet the original requirement: A busy event-routing platform must retain dropped partner events for later controlled replay after a bug fix. What original architectural gap most directly explains the failure?

  1. A standard read replica is assumed to be a synchronous multi-Region failover mechanism without promotion
  2. Every reporting query was sent to the cluster writer endpoint despite available readers
  3. No event archive exists to replay notifications that failed during downstream processing
  4. Repeated retries of one failed message prevent useful error isolation and redrive workflow

Explanation

Correct Answer

C:

This is the technical design error aligned with the unmet requirement. EventBridge event archives retain matching historical events for later replay. The appropriate correction is: Configure EventBridge archives and event replay with selection patterns and measured retention. The control should then be tested by verifying that Events captured during the fault can be replayed to a corrected consumer after recovery.

Incorrect Answers

A:

A standard read replica is assumed to be a synchronous multi-Region failover mechanism without promotion. The stated evidence instead indicates: No event archive exists to replay notifications that failed during downstream processing.

B:

Every reporting query was sent to the cluster writer endpoint despite available readers. The stated evidence instead indicates: No event archive exists to replay notifications that failed during downstream processing.

D:

Repeated retries of one failed message prevent useful error isolation and redrive workflow. The stated evidence instead indicates: No event archive exists to replay notifications that failed during downstream processing.

Question 320

A deployed environment still does not meet the original requirement: A platform service incurs shared transfer charges that cannot be assigned to consuming product teams. Which underlying cause should be investigated first?

  1. Shared costs are assigned by arbitrary percentage without service consumption evidence
  2. WAF rules are deployed without visibility into which requests they affect
  3. Instances remain oversized based only on purchase history rather than performance evidence
  4. Teams purchase more RIs independently without measuring existing shared coverage

Explanation

Correct Answer

A:

This is the technical design error aligned with the unmet requirement. CUR data and explicit allocation logic improve auditable cost attribution. The appropriate correction is: Enable detailed Cost and Usage Reports with cost categories or properly activated allocation tags. The control should then be tested by verifying that Chargeback results trace shared spend to accounted requests or accountable service consumers.

Incorrect Answers

B:

WAF rules are deployed without visibility into which requests they affect. The stated evidence instead indicates: Shared costs are assigned by arbitrary percentage without service consumption evidence.

C:

Instances remain oversized based only on purchase history rather than performance evidence. The stated evidence instead indicates: Shared costs are assigned by arbitrary percentage without service consumption evidence.

D:

Teams purchase more RIs independently without measuring existing shared coverage. The stated evidence instead indicates: Shared costs are assigned by arbitrary percentage without service consumption evidence.