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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

Certification Provider: Amazon

Corresponding Certification: AWS Certified Solutions Architect - Professional

Amazon AWS Certified Solutions Architect - Professional SAP-C02 Bundle $23.86
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Amazon AWS Certified Solutions Architect - Professional SAP-C02 Practice Test 49

Question 480

A deployed environment still does not meet the original requirement: Critical backups must be scheduled consistently across many application accounts and retained by policy. Which missing control accounts for the continuing issue?

  1. Separate VPC copies and peering links were created instead of sharing centrally governed subnets
  2. Static budgets cannot explain or detect each atypical spend pattern promptly
  3. Individual accounts use drifting custom schedules that do not match central backup policy
  4. Management-account-only operations were mistaken for necessary daily centralized security administration

Explanation

Correct Answer

C:

This is the technical design error aligned with the unmet requirement. Organization backup policies support common baseline definitions but still require functioning target configuration. The appropriate correction is: Use AWS Organizations backup policies with verified account opt-in, vaults and access controls. The control should then be tested by verifying that Eligible accounts create scheduled recovery points according to policies and restores are tested.

Incorrect Answers

A:

Separate VPC copies and peering links were created instead of sharing centrally governed subnets. The stated evidence instead indicates: Individual accounts use drifting custom schedules that do not match central backup policy.

B:

Static budgets cannot explain or detect each atypical spend pattern promptly. The stated evidence instead indicates: Individual accounts use drifting custom schedules that do not match central backup policy.

D:

Management-account-only operations were mistaken for necessary daily centralized security administration. The stated evidence instead indicates: Individual accounts use drifting custom schedules that do not match central backup policy.

Question 481

An architecture review recommends this solution: Configure the supported subscription delivery policy, retries and dead-letter queue where applicable. The motivating situation is: An SNS topic invokes an asynchronous HTTP subscriber with intermittent failures and business needs controlled redelivery. Why does this approach fit the stated design constraints?

  1. DynamoDB throughput requires sufficient mode capacity and key-distribution design
  2. SNS subscriber reliability relies on delivery retries and appropriately configured dead-letter destinations
  3. DynamoDB PITR restores to a selected point within its available recovery window
  4. Fault injection validates real system behavior within approved experiment boundaries

Explanation

Correct Answer

B:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Configure the supported subscription delivery policy, retries and dead-letter queue where applicable. The expected supporting evidence is: Failed deliveries retry under the configured policy and exhausted messages reach the DLQ.

Incorrect Answers

A:

Capacity planning ignores demand spikes or hot keys that concentrate requests. The stated evidence instead indicates: Failed notifications disappear because no supported retry and DLQ design is in place.

C:

Standard short-lived backups cannot recover the exact chosen accidental-update point. The stated evidence instead indicates: Failed notifications disappear because no supported retry and DLQ design is in place.

D:

Availability claims rest only on architecture diagrams, not controlled chaos evidence. The stated evidence instead indicates: Failed notifications disappear because no supported retry and DLQ design is in place.

Question 482

For the enterprise requirement "An estate of supported Linux and Windows VMs must rehost to EC2 with minimal application modification and short cutovers", the team implemented this change: Use AWS Application Migration Service for compatible server replication, test launches and cutover orchestration. What observed result would demonstrate successful delivery of the requested capability?

  1. Destination table state stays synchronized and the application passes a reversible cutover test
  2. Replicated servers boot in AWS test VPCs with verified application functionality before cutover
  3. The Enterprise Support team uploads the approved data during its reserved session and matches end-to-end source and destination checksums
  4. Isolated handlers scale according to request demand and meet p95 latency and authorization targets

Explanation

Correct Answer

B:

This measures the behavior required by the specific solution, rather than simply checking that it was configured. AWS MGN supports continuous server replication and orchestrated rehosting validation. The acceptance condition is linked directly to the scenario: An estate of supported Linux and Windows VMs must rehost to EC2 with minimal application modification and short cutovers.

Incorrect Answers

A:

Destination table state stays synchronized and the application passes a reversible cutover test. However, this does not establish the required outcome: replicated servers boot in AWS test VPCs with verified application functionality before cutover.

C:

The Enterprise Support team uploads the approved data during its reserved session and matches end-to-end source and destination checksums. However, this does not establish the required outcome: replicated servers boot in AWS test VPCs with verified application functionality before cutover.

D:

Isolated handlers scale according to request demand and meet p95 latency and authorization targets. However, this does not establish the required outcome: replicated servers boot in AWS test VPCs with verified application functionality before cutover.

Question 483

An architecture review recommends this solution: Benchmark throughput and latency, then evaluate a supported gp3 volume where required performance fits. The motivating situation is: A database team purchased oversized io2 EBS performance when measured throughput is far below its actual needs. Which consideration makes this solution preferable to the original approach?

  1. EBS storage billing continues for allocated volumes until they are deleted or otherwise changed
  2. EBS volume-class selection should follow measured IO and durability requirements
  3. Recovery objectives require tested restore outcomes, not merely completed backups
  4. Placement and traffic pattern matter to data transfer costs as much as raw compute prices

Explanation

Correct Answer

B:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Benchmark throughput and latency, then evaluate a supported gp3 volume where required performance fits. The expected supporting evidence is: Tested gp3 configuration meets IO SLOs at lower monthly storage and provisioned-performance cost.

Incorrect Answers

A:

Unattached volumes are treated as free merely because they are not mounted. The stated evidence instead indicates: Premium IOPS are maintained without evidence of workload needing them.

C:

Snapshot creation is mistaken for proof the application can actually be restored. The stated evidence instead indicates: Premium IOPS are maintained without evidence of workload needing them.

D:

Workload service calls repeatedly cross paid network boundaries without quantified need. The stated evidence instead indicates: Premium IOPS are maintained without evidence of workload needing them.

Question 484

An architecture review recommends this solution: Evaluate a serverless API Gateway and Lambda architecture with cold-start and concurrency testing. The motivating situation is: A rarely used API experiences extreme idle hours and unpredictable spikes, making always-on EC2 capacity uneconomic. Which technical principle most strongly justifies this recommendation?

  1. RDS storage autoscaling can add storage within configured limits but does not automatically shrink it
  2. Spot Instances optimize interruptible capacity costs when jobs tolerate reclaim events
  3. KMS key authorization depends on the owning key policy as well as applicable principal policies
  4. Serverless consumption models can reduce idle infrastructure charges for intermittent traffic

Explanation

Correct Answer

D:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Evaluate a serverless API Gateway and Lambda architecture with cold-start and concurrency testing. The expected supporting evidence is: The API meets latency SLOs under bursts and incurs low idle compute spend without permanently allocated hosts.

Incorrect Answers

A:

Storage capacity was fixed without safe growth management under variable data requirements. The stated evidence instead indicates: Fixed EC2 capacity is provisioned 24/7 despite infrequent invocation.

B:

The workload uses only on-demand capacity despite safe restart or checkpoint semantics. The stated evidence instead indicates: Fixed EC2 capacity is provisioned 24/7 despite infrequent invocation.

C:

IAM principal permission was mistaken for sufficient access despite a restrictive KMS key policy. The stated evidence instead indicates: Fixed EC2 capacity is provisioned 24/7 despite infrequent invocation.

Question 485

A deployed environment still does not meet the original requirement: A brownfield workload must shift gradually from a legacy load balancer to a new service while preserving rollback. What original architectural gap most directly explains the failure?

  1. One abrupt DNS change replaced every consumer endpoint with no controlled canary or rollback
  2. Every reporting query was sent to the cluster writer endpoint despite available readers
  3. Individual account stacks were created manually and drift from the approved baseline
  4. Console-created infrastructure diverged from versioned architecture definitions

Explanation

Correct Answer

A:

This is the technical design error aligned with the unmet requirement. Weighted routing can support staged migration when health checks and client caching are considered. The appropriate correction is: Use weighted Route 53 or application load balancer traffic shifting with monitored cutover and rollback criteria. The control should then be tested by verifying that Small traffic shares move to the new stack first; an error alarm redirects traffic to the proven stack.

Incorrect Answers

B:

Every reporting query was sent to the cluster writer endpoint despite available readers. The stated evidence instead indicates: One abrupt DNS change replaced every consumer endpoint with no controlled canary or rollback.

C:

Individual account stacks were created manually and drift from the approved baseline. The stated evidence instead indicates: One abrupt DNS change replaced every consumer endpoint with no controlled canary or rollback.

D:

Console-created infrastructure diverged from versioned architecture definitions. The stated evidence instead indicates: One abrupt DNS change replaced every consumer endpoint with no controlled canary or rollback.

Question 486

An architecture review recommends this solution: Assess schema, procedural conversion complexity and application query compatibility using suitable database migration assessment tools. The motivating situation is: A custom Oracle application uses database-specific stored procedures and must move to an open-source engine. What principle supports the selected implementation?

  1. EKS provides a managed Kubernetes control plane for teams using Kubernetes-native tooling
  2. Heterogeneous migrations require schema and code compatibility assessment, not only row transfer
  3. The 7 Rs decision framework matches migration strategy to application context
  4. Platform migration viability depends on software support and hardware or driver compatibility

Explanation

Correct Answer

B:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Assess schema, procedural conversion complexity and application query compatibility using suitable database migration assessment tools. The expected supporting evidence is: A conversion report identifies unsupported objects and a pilot executes critical queries correctly.

Incorrect Answers

A:

A non-Kubernetes orchestrator was chosen despite strict Kubernetes extension compatibility requirements. The stated evidence instead indicates: Database engine migration was assumed to be a simple homogeneous replication job.

C:

All assets are scheduled for direct rehost even when some are obsolete or unsuitable. The stated evidence instead indicates: Database engine migration was assumed to be a simple homogeneous replication job.

D:

Source virtualization format was mistaken for a guarantee of target runtime compatibility. The stated evidence instead indicates: Database engine migration was assumed to be a simple homogeneous replication job.

Question 487

A deployed environment still does not meet the original requirement: A global media site sends repeated uncached misses to an expensive origin even with widespread CloudFront edge caches. What original architectural gap most directly explains the failure?

  1. Misses from different edge caches repeatedly burden the same origin
  2. Metrics and logs are not organized into actionable per-service operational signals
  3. Engineers scale CPU without analyzing database lock waits or expensive SQL
  4. On-demand initialization latency is not addressed for the critical invocation path

Explanation

Correct Answer

A:

This is the technical design error aligned with the unmet requirement. CloudFront Origin Shield can consolidate cache misses through an additional regional layer. The appropriate correction is: Add an appropriate CloudFront Origin Shield layer and adjust origin caching strategy. The control should then be tested by verifying that Origin request count drops under a multi-edge cache miss test while freshness remains correct.

Incorrect Answers

B:

Metrics and logs are not organized into actionable per-service operational signals. The stated evidence instead indicates: Misses from different edge caches repeatedly burden the same origin.

C:

Engineers scale CPU without analyzing database lock waits or expensive SQL. The stated evidence instead indicates: Misses from different edge caches repeatedly burden the same origin.

D:

On-demand initialization latency is not addressed for the critical invocation path. The stated evidence instead indicates: Misses from different edge caches repeatedly burden the same origin.

Question 488

An architecture review recommends this solution: Define AWS Step Functions state-machine Retry and Catch behavior with idempotent service tasks. The motivating situation is: An order orchestration needs safe retry handling for transient service failures without rerunning completed prior steps. Which statement explains why the recommendation solves the specific problem?

  1. OIDC role federation supports temporary credentials and scoped trust for external workloads
  2. DNS failover requires health-aware routing and realistic expectations for cached answers
  3. Aurora reader endpoints balance connections to read replicas for read workloads
  4. Step Functions supports explicit state-level retry and error handling but side effects still require idempotency

Explanation

Correct Answer

D:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Define AWS Step Functions state-machine Retry and Catch behavior with idempotent service tasks. The expected supporting evidence is: A simulated transient error is retried according to policy and a persistent error follows a defined failure branch.

Incorrect Answers

A:

Static IAM user access keys were embedded in the external CI configuration. The stated evidence instead indicates: Imperative glue retries all upstream steps and creates duplicate side effects.

B:

DNS simple routing cannot automatically reflect the application's health. The stated evidence instead indicates: Imperative glue retries all upstream steps and creates duplicate side effects.

C:

Every reporting query was sent to the cluster writer endpoint despite available readers. The stated evidence instead indicates: Imperative glue retries all upstream steps and creates duplicate side effects.

Question 489

A professional architect is reviewing two independent workstreams. Requirement A: A read-heavy reporting application needs an up-to-date secondary regional database copy that can be promoted in a disaster. Requirement B: A revenue-critical public endpoint requires proactive DDoS response coordination and protected eligible application resources. Select TWO actions, one for each independently scoped requirement.

  1. Update the KMS key policy or grants alongside the principal's IAM permissions as required
  2. Configure CloudFront caching with appropriate TTL, cache keys and regional origin controls
  3. Use an appropriately designed active-active multi-Region architecture with global routing and compatible data replication
  4. Configure a suitable RDS cross-Region read replica where supported and rehearse replica promotion and endpoint changes
  5. Evaluate AWS Shield Advanced with supported resource protection and runbooks alongside layered edge controls

Explanation

Correct Answers

D:

This action meets the independently stated requirement A: A read-heavy reporting application needs an up-to-date secondary regional database copy that can be promoted in a disaster. Cross-Region read replicas are asynchronous and may require explicit promotion in recovery. A direct acceptance check is: Read replica lag is measured and promotion produces a usable independent writer during a DR drill.

E:

This action meets the independently stated requirement B: A revenue-critical public endpoint requires proactive DDoS response coordination and protected eligible application resources. Shield Advanced adds advanced DDoS protection and response support for supported resources. A direct acceptance check is: A test incident follows predefined escalation and eligible protected resources appear under Shield Advanced coverage.

Incorrect Answers

A:

This action targets a different technical need: An AWS KMS-encrypted data key is shared with a role but decrypts still fail because the key's resource policy grants no access. It does not replace either required solution in A or B. KMS key authorization depends on the owning key policy as well as applicable principal policies; verify the two stated requirements independently rather than accepting an unrelated change.

B:

This action targets a different technical need: A global static web application experiences high latency because users repeatedly fetch unchanged assets from one Region. It does not replace either required solution in A or B. CloudFront edge caching reduces origin fetches for cacheable content; verify the two stated requirements independently rather than accepting an unrelated change.

C:

This action targets a different technical need: A worldwide public application targets near-zero regional failover time and already tolerates multi-Region data conflict semantics. It does not replace either required solution in A or B. Active-active architectures provide immediate regional capacity but require safe multi-Region data behavior; verify the two stated requirements independently rather than accepting an unrelated change.

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.