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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 51

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.

Question 501

A professional architect is reviewing two independent workstreams. Requirement A: A custom Oracle application uses database-specific stored procedures and must move to an open-source engine. Requirement B: A SQL Server estate must migrate to Amazon Aurora PostgreSQL despite vendor-specific T-SQL constructs. Select TWO independent changes that meet the named requirements.

  1. Introduce caching with explicit expiry and invalidation policies using CloudFront or ElastiCache as appropriate
  2. Assess schema, procedural conversion complexity and application query compatibility using suitable database migration assessment tools
  3. Perform application dependency discovery and group connected workloads into migration waves
  4. Use AWS Schema Conversion Tool or appropriate supported schema conversion assessment, then AWS DMS for data
  5. Use AWS Application Migration Service for compatible server replication, test launches and cutover orchestration

Explanation

Correct Answers

B:

This action meets the independently stated requirement A: A custom Oracle application uses database-specific stored procedures and must move to an open-source engine. Heterogeneous migrations require schema and code compatibility assessment, not only row transfer. A direct acceptance check is: A conversion report identifies unsupported objects and a pilot executes critical queries correctly.

D:

This action meets the independently stated requirement B: A SQL Server estate must migrate to Amazon Aurora PostgreSQL despite vendor-specific T-SQL constructs. Heterogeneous database migrations require explicit schema and application compatibility work. A direct acceptance check is: Critical converted schema objects and application queries work and data replication reconciles.

Incorrect Answers

A:

This action targets a different technical need: An ecommerce backend repeatedly recomputes expensive reads for product listings that change infrequently. It does not replace either required solution in A or B. Correct cache placement and invalidation reduce repeated work without violating freshness needs; verify the two stated requirements independently rather than accepting an unrelated change.

C:

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.

E:

This action targets a different technical need: An estate of supported Linux and Windows VMs must rehost to EC2 with minimal application modification and short cutovers. It does not replace either required solution in A or B. AWS MGN supports continuous server replication and orchestrated rehosting validation; verify the two stated requirements independently rather than accepting an unrelated change.

Question 502

A deployed environment still does not meet the original requirement: A build system hosted outside AWS needs temporary access to deploy CloudFormation without storing long-lived access keys. Which missing control accounts for the continuing issue?

  1. Static IAM user access keys were embedded in the external CI configuration
  2. Static worker capacity ignores observable demand while processing latency varies
  3. Traffic bypasses inspection endpoints, so rules exist but are never reached
  4. The service relies solely on application code with no rate-based edge filtering

Explanation

Correct Answer

A:

This is the technical design error aligned with the unmet requirement. OIDC role federation supports temporary credentials and scoped trust for external workloads. The appropriate correction is: Configure IAM role federation with OIDC trust subject restrictions for the external build identity. The control should then be tested by verifying that The approved CI workload receives short-lived role credentials and an unapproved repository identity fails assumption.

Incorrect Answers

B:

Static worker capacity ignores observable demand while processing latency varies. The stated evidence instead indicates: Static IAM user access keys were embedded in the external CI configuration.

C:

Traffic bypasses inspection endpoints, so rules exist but are never reached. The stated evidence instead indicates: Static IAM user access keys were embedded in the external CI configuration.

D:

The service relies solely on application code with no rate-based edge filtering. The stated evidence instead indicates: Static IAM user access keys were embedded in the external CI configuration.

Question 503

An architecture review recommends this solution: Review capacity provider strategy, instance-type resources and task placement requirements. The motivating situation is: An ECS cluster has enough total CPU but tasks stay pending due to unsuitable placement and capacity provider configuration. Why does this approach fit the stated design constraints?

  1. S3 Access Points can support distinct access policies for shared buckets
  2. Enhanced networking capabilities require compatible instance types and operating-system drivers
  3. Kinesis enhanced fan-out provides dedicated consumer read throughput within service limits
  4. ECS placement depends on available per-host resources and declared capacity-provider strategy

Explanation

Correct Answer

D:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Review capacity provider strategy, instance-type resources and task placement requirements. The expected supporting evidence is: Pending tasks become schedulable and p95 latency improves without wasting an additional empty cluster.

Incorrect Answers

A:

One overbroad bucket-level policy grants both teams access to all data. The stated evidence instead indicates: Cluster compute totals are misleading because the needed task resources are not schedulable.

B:

Unsupported drivers or unsuitable instance networking features cap throughput. The stated evidence instead indicates: Cluster compute totals are misleading because the needed task resources are not schedulable.

C:

Shared per-shard read throughput is divided among too many polling consumers. The stated evidence instead indicates: Cluster compute totals are misleading because the needed task resources are not schedulable.

Question 504

A deployed environment still does not meet the original requirement: A shared S3 data lake gives two analytics teams unnecessarily broad bucket access. What was most likely overlooked in the original design?

  1. CloudTrail management events are not retained or centrally available for review
  2. Threat detection remains inconsistently deployed across member accounts and Regions
  3. Unsupported drivers or unsuitable instance networking features cap throughput
  4. One overbroad bucket-level policy grants both teams access to all data

Explanation

Correct Answer

D:

This is the technical design error aligned with the unmet requirement. S3 Access Points can support distinct access policies for shared buckets. The appropriate correction is: Use S3 Access Points or carefully scoped bucket policies to isolate each team's required object prefixes. The control should then be tested by verifying that Team A reads only its permitted dataset and an attempt to fetch team B's restricted dataset is rejected.

Incorrect Answers

A:

CloudTrail management events are not retained or centrally available for review. The stated evidence instead indicates: One overbroad bucket-level policy grants both teams access to all data.

B:

Threat detection remains inconsistently deployed across member accounts and Regions. The stated evidence instead indicates: One overbroad bucket-level policy grants both teams access to all data.

C:

Unsupported drivers or unsuitable instance networking features cap throughput. The stated evidence instead indicates: One overbroad bucket-level policy grants both teams access to all data.

Question 505

An enterprise architecture team faces this design requirement: A Lambda-backed API team wants to expose only ten percent of traffic to a new function revision before promoting it. Which proposed change addresses the stated constraint most directly?

  1. Define the infrastructure in AWS CDK and synthesize reviewed CloudFormation templates through the deployment pipeline
  2. Update the KMS key policy or grants alongside the principal's IAM permissions as required
  3. Publish a Lambda version and configure weighted alias routing with deployment alarms
  4. Use EC2 Image Builder pipelines for controlled image build, testing and account or Region distribution

Explanation

Correct Answer

C:

Lambda aliases support weighted traffic between published versions with monitored promotion. The required architecture outcome is: A Lambda-backed API team wants to expose only ten percent of traffic to a new function revision before promoting it. Validate this choice by checking that The alias sends the intended approximate percentage to the canary version and reverts after a simulated alarm.

Incorrect Answers

A:

Console-created infrastructure diverged from versioned architecture definitions. The specific problem here is that the function's unqualified ARN always invokes latest code for all users, bypassing version routing.

B:

IAM principal permission was mistaken for sufficient access despite a restrictive KMS key policy. The specific problem here is that the function's unqualified ARN always invokes latest code for all users, bypassing version routing.

D:

Each team independently patches hand-built machine images without reproducible validation. The specific problem here is that the function's unqualified ARN always invokes latest code for all users, bypassing version routing.

Question 506

A professional architect is reviewing two independent workstreams. Requirement A: Customer-uploaded S3 objects must appear in a second Region for durability and region-isolation objectives. Requirement B: Legal and nonproduction workloads require different organizational guardrails but must share central billing. Which TWO responses resolve the stated issues without substituting unrelated mechanisms?

  1. Enable VPC subnet sharing through AWS RAM for eligible accounts in the same organization
  2. Use distinct AWS Organizations organizational units and apply targeted service control policies per OU
  3. Use AWS Backup cross-account copies into a protected backup account with isolated restore permissions
  4. Apply a targeted Organizations service control policy denying prohibited CloudTrail disablement actions in affected OUs
  5. Enable S3 Cross-Region Replication with correct versioning, role permissions and ownership controls

Explanation

Correct Answers

B:

This action meets the independently stated requirement B: Legal and nonproduction workloads require different organizational guardrails but must share central billing. Organizational units help assign governance boundaries to related member accounts. A direct acceptance check is: Production account requests are governed by the intended production policy and sandbox accounts by their own boundaries.

E:

This action meets the independently stated requirement A: Customer-uploaded S3 objects must appear in a second Region for durability and region-isolation objectives. Cross-Region Replication asynchronously copies eligible objects between configured buckets. A direct acceptance check is: Newly created and eligible changed objects arrive in the destination bucket with expected encryption.

Incorrect Answers

A:

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.

C:

This action targets a different technical need: Financial backups must survive destruction of the primary application account by a compromised administrator. It does not replace either required solution in A or B. Cross-account backup isolation reduces the effect of compromise of an application account; verify the two stated requirements independently rather than accepting an unrelated change.

D:

This action targets a different technical need: A multi-account organization must prevent member accounts from disabling mandatory CloudTrail trails even when local administrators hold broad IAM policies. It does not replace either required solution in A or B. Service control policies set permission ceilings for member account principals and cannot grant access themselves; verify the two stated requirements independently rather than accepting an unrelated change.

Question 507

An enterprise architecture team faces this design requirement: An ECS fleet is experiencing p99 delays but per-container CPU and memory usage are absent from operational dashboards. What is the most appropriate design for this workload?

  1. Select an appropriate EBS gp3 volume with independently provisioned performance settings and test application throughput
  2. Enable supported Container Insights telemetry for task and service performance diagnostics
  3. Configure readiness probes, deployment surge policy and graceful termination semantics
  4. Configure provisioned concurrency for selected published function aliases with suitable demand planning

Explanation

Correct Answer

B:

Container Insights provides enhanced telemetry for container infrastructure. The required architecture outcome is: An ECS fleet is experiencing p99 delays but per-container CPU and memory usage are absent from operational dashboards. Validate this choice by checking that High-latency periods correlate with a specific task's memory or CPU saturation.

Incorrect Answers

A:

Gp2 capacity-linked performance assumptions lead to wasteful storage growth. The specific problem here is that only instance host metrics exist and individual container bottlenecks cannot be isolated.

C:

Kubernetes deployment treats process startup as adequate evidence of request readiness. The specific problem here is that only instance host metrics exist and individual container bottlenecks cannot be isolated.

D:

On-demand initialization latency is not addressed for the critical invocation path. The specific problem here is that only instance host metrics exist and individual container bottlenecks cannot be isolated.

Question 508

For the enterprise requirement "Security analysts need one cross-account aggregation view of prioritized findings without requesting console access in every workload account", the team implemented this change: Configure Security Hub delegated administrator and member account aggregation or finding aggregation as supported. Which evidence confirms the intended behavior under test?

  1. An administrator's disable request is denied while an authorized central management path remains available
  2. Tested resized instances meet p95 latency goals while recommended savings are observed
  3. The consumer role reads approved encrypted objects but cannot decrypt other protected datasets
  4. The delegated account receives findings from participating member accounts and permitted Regions

Explanation

Correct Answer

D:

This measures the behavior required by the specific solution, rather than simply checking that it was configured. Security Hub delegated administration centralizes findings while each source account retains its own resources. The acceptance condition is linked directly to the scenario: Security analysts need one cross-account aggregation view of prioritized findings without requesting console access in every workload account.

Incorrect Answers

A:

An administrator's disable request is denied while an authorized central management path remains available. However, this does not establish the required outcome: the delegated account receives findings from participating member accounts and permitted Regions.

B:

Tested resized instances meet p95 latency goals while recommended savings are observed. However, this does not establish the required outcome: the delegated account receives findings from participating member accounts and permitted Regions.

C:

The consumer role reads approved encrypted objects but cannot decrypt other protected datasets. However, this does not establish the required outcome: the delegated account receives findings from participating member accounts and permitted Regions.

Question 509

An architecture review recommends this solution: Analyze transfer usage in CUR and network metrics; redesign unnecessary cross-AZ chatty application flows. The motivating situation is: A global network has rising cross-AZ and inter-Region transfer bills despite healthy compute utilization. What principle supports the selected implementation?

  1. SNS subscriber reliability relies on delivery retries and appropriately configured dead-letter destinations
  2. Compute Optimizer estimates rightsizing opportunities subject to compatibility and workload validation
  3. Consolidated savings recommendations should not be summed blindly across sources
  4. Placement and traffic pattern matter to data transfer costs as much as raw compute prices

Explanation

Correct Answer

D:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Analyze transfer usage in CUR and network metrics; redesign unnecessary cross-AZ chatty application flows. The expected supporting evidence is: Data-transfer charges drop while latency and resilience objectives still pass.

Incorrect Answers

A:

Failed notifications disappear because no supported retry and DLQ design is in place. The stated evidence instead indicates: Workload service calls repeatedly cross paid network boundaries without quantified need.

B:

Instances remain oversized based only on purchase history rather than performance evidence. The stated evidence instead indicates: Workload service calls repeatedly cross paid network boundaries without quantified need.

C:

Potential savings from the same infrastructure change are double counted in separate reports. The stated evidence instead indicates: Workload service calls repeatedly cross paid network boundaries without quantified need.

Question 510

For the enterprise requirement "A platform team deploys the same baseline IAM roles and configuration stacks into 70 governed member accounts", the team implemented this change: Use CloudFormation StackSets with the appropriate organization deployment permissions and guarded account or OU targeting. Which outcome is the most meaningful acceptance test?

  1. Failure of one Region does not interrupt healthy remaining regional capacity under synthetic load
  2. The released image digest is present in each target Region before workloads attempt recovery
  3. The first Region deploys, the second Region waits for approval, and rejection prevents restricted rollout
  4. A newly added target account receives the intended stack instances while an excluded OU does not

Explanation

Correct Answer

D:

This measures the behavior required by the specific solution, rather than simply checking that it was configured. CloudFormation StackSets manages stack instances across accounts and Regions from a controlled template. The acceptance condition is linked directly to the scenario: A platform team deploys the same baseline IAM roles and configuration stacks into 70 governed member accounts.

Incorrect Answers

A:

Failure of one Region does not interrupt healthy remaining regional capacity under synthetic load. However, this does not establish the required outcome: a newly added target account receives the intended stack instances while an excluded OU does not.

B:

The released image digest is present in each target Region before workloads attempt recovery. However, this does not establish the required outcome: a newly added target account receives the intended stack instances while an excluded OU does not.

C:

The first Region deploys, the second Region waits for approval, and rejection prevents restricted rollout. However, this does not establish the required outcome: a newly added target account receives the intended stack instances while an excluded OU does not.