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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

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Amazon AWS Certified Solutions Architect - Professional SAP-C02 Practice Test 40

Question 390

A professional architect is reviewing two independent workstreams. Requirement A: A corporate SOC needs one prioritized security findings view across enabled security services and Regions. Requirement B: A customer-facing Lambda API has unacceptable first-request latency after inactive periods despite low average invocation cost. Which TWO architecture changes cover both acceptance criteria?

  1. Review IAM Access Advisor last-accessed information with supported CloudTrail evidence and workload ownership confirmation
  2. Enable Security Hub delegated administration and finding aggregation for the target accounts and Regions
  3. Move the suitable multi-step orchestration into Step Functions with named states, bounded retries and error paths
  4. Configure provisioned concurrency for selected published function aliases with suitable demand planning
  5. Add an appropriate CloudFront Origin Shield layer and adjust origin caching strategy

Explanation

Correct Answers

B:

This action meets the independently stated requirement A: A corporate SOC needs one prioritized security findings view across enabled security services and Regions. Security Hub consolidates security posture and findings from participating services. A direct acceptance check is: Security Hub centrally displays eligible standardized findings with source context preserved.

D:

This action meets the independently stated requirement B: A customer-facing Lambda API has unacceptable first-request latency after inactive periods despite low average invocation cost. Lambda provisioned concurrency keeps selected execution environments initialized to reduce startup latency. A direct acceptance check is: Cold-start spikes fall for provisioned requests and concurrency utilization stays within budget.

Incorrect Answers

A:

This action targets a different technical need: A company wants to identify IAM permissions that have not been used recently before removing high-risk privileges. It does not replace either required solution in A or B. Last-accessed data informs least-privilege reviews but does not prove a permission is universally unnecessary; verify the two stated requirements independently rather than accepting an unrelated change.

C:

State machines improve auditability when state transitions and idempotency are designed. The two requirements instead call for these controls: (A) Enable Security Hub delegated administration and finding aggregation for the target accounts and Regions; (B) Configure provisioned concurrency for selected published function aliases with suitable demand planning.

E:

This action targets a different technical need: A global media site sends repeated uncached misses to an expensive origin even with widespread CloudFront edge caches. It does not replace either required solution in A or B. CloudFront Origin Shield can consolidate cache misses through an additional regional layer; verify the two stated requirements independently rather than accepting an unrelated change.

Question 391

For the enterprise requirement "A company must perform recurring secure file synchronization from on-premises NAS into Amazon S3 with minimal custom scripting", the team implemented this change: Use AWS DataSync agents and tasks with scheduling and integrity validation. Which result specifically demonstrates the fix works?

  1. Replicated servers boot in AWS test VPCs with verified application functionality before cutover
  2. An end-to-end test request shows linked spans and reveals downstream latency without leaking credentials
  3. The Enterprise Support team uploads the approved data during its reserved session and matches end-to-end source and destination checksums
  4. Eligible file changes are transferred and verified by a scheduled DataSync task

Explanation

Correct Answer

D:

This measures the behavior required by the specific solution, rather than simply checking that it was configured. AWS DataSync automates supported file and object movement with verification features. The acceptance condition is linked directly to the scenario: A company must perform recurring secure file synchronization from on-premises NAS into Amazon S3 with minimal custom scripting.

Incorrect Answers

A:

Replicated servers boot in AWS test VPCs with verified application functionality before cutover. However, this does not establish the required outcome: eligible file changes are transferred and verified by a scheduled DataSync task.

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: eligible file changes are transferred and verified by a scheduled DataSync task.

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: eligible file changes are transferred and verified by a scheduled DataSync task.

Question 392

For the enterprise requirement "A custom Oracle application uses database-specific stored procedures and must move to an open-source engine", the team implemented this change: Assess schema, procedural conversion complexity and application query compatibility using suitable database migration assessment tools. What should operations verify instead of relying on configuration alone?

  1. A conversion report identifies unsupported objects and a pilot executes critical queries correctly
  2. A tested transfer plan shows enough effective throughput plus integrity checks for the deadline
  3. Captured workload attributes reveal which servers can be rehosted together and which need further assessment
  4. New capability traffic can be rolled back while untouched monolith endpoints remain functional

Explanation

Correct Answer

A:

This measures the behavior required by the specific solution, rather than simply checking that it was configured. Heterogeneous migrations require schema and code compatibility assessment, not only row transfer. The acceptance condition is linked directly to the scenario: A custom Oracle application uses database-specific stored procedures and must move to an open-source engine.

Incorrect Answers

B:

A tested transfer plan shows enough effective throughput plus integrity checks for the deadline. However, this does not establish the required outcome: a conversion report identifies unsupported objects and a pilot executes critical queries correctly.

C:

Captured workload attributes reveal which servers can be rehosted together and which need further assessment. However, this does not establish the required outcome: a conversion report identifies unsupported objects and a pilot executes critical queries correctly.

D:

New capability traffic can be rolled back while untouched monolith endpoints remain functional. However, this does not establish the required outcome: a conversion report identifies unsupported objects and a pilot executes critical queries correctly.

Question 393

A deployed environment still does not meet the original requirement: A personal-health-record system has strict regional data residency and encryption obligations before any cloud transfer. Which failure mechanism should the team correct?

  1. Database engine migration was assumed to be a simple homogeneous replication job
  2. All assets are scheduled for direct rehost even when some are obsolete or unsuitable
  3. Migration scheduling ignored data classification and jurisdictional control requirements
  4. Replicating table data alone does not translate incompatible source SQL constructs

Explanation

Correct Answer

C:

This is the technical design error aligned with the unmet requirement. Regulatory and data-classification constraints affect target location and migration scope. The appropriate correction is: Classify sensitive datasets and map AWS Regions, key ownership and access controls before selecting migration waves. The control should then be tested by verifying that An approved target design demonstrates residency and encryption enforcement before copying production records.

Incorrect Answers

A:

Database engine migration was assumed to be a simple homogeneous replication job. The stated evidence instead indicates: Migration scheduling ignored data classification and jurisdictional control requirements.

B:

All assets are scheduled for direct rehost even when some are obsolete or unsuitable. The stated evidence instead indicates: Migration scheduling ignored data classification and jurisdictional control requirements.

D:

Replicating table data alone does not translate incompatible source SQL constructs. The stated evidence instead indicates: Migration scheduling ignored data classification and jurisdictional control requirements.

Question 394

A professional architect is reviewing two independent workstreams. Requirement A: An EC2 application needs sustained random IOPS independent of EBS volume storage-size growth. Requirement B: A multi-AZ production stack has never been tested with a failed Availability Zone during working hours. Select TWO independent changes that meet the named requirements.

  1. Select an appropriate EBS gp3 volume with independently provisioned performance settings and test application throughput
  2. Gate a least-privilege Systems Manager Automation runbook with an aws:approve step and retain change approval and execution records
  3. Run controlled AWS Fault Injection Service scenarios with safety guardrails and predeclared stop conditions
  4. Schedule automated and manual AWS Backup restore testing into an isolated validation environment
  5. Enable supported Container Insights telemetry for task and service performance diagnostics

Explanation

Correct Answers

A:

This action meets the independently stated requirement A: An EC2 application needs sustained random IOPS independent of EBS volume storage-size growth. gp3 separates baseline volume storage size from configurable IOPS and throughput within limits. A direct acceptance check is: The volume reaches measured IOPS requirements without unnecessary capacity inflation.

C:

This action meets the independently stated requirement B: A multi-AZ production stack has never been tested with a failed Availability Zone during working hours. Fault injection validates real system behavior within approved experiment boundaries. A direct acceptance check is: The stack tolerates the injected zonal fault and stop alarms terminate experiments as planned.

Incorrect Answers

B:

This action targets a different technical need: Production maintenance requires an explicit approval and tracked change record before automation updates EC2 systems. It does not replace either required solution in A or B. Controlled automation separates approval from execution and preserves traceability; verify the two stated requirements independently rather than accepting an unrelated change.

D:

This action targets a different technical need: The backup team reports high snapshot completion success but no one has recovered the database from those snapshots. It does not replace either required solution in A or B. Recovery objectives require tested restore outcomes, not merely completed backups; verify the two stated requirements independently rather than accepting an unrelated change.

E:

This action targets a different technical need: An ECS fleet is experiencing p99 delays but per-container CPU and memory usage are absent from operational dashboards. It does not replace either required solution in A or B. Container Insights provides enhanced telemetry for container infrastructure; verify the two stated requirements independently rather than accepting an unrelated change.

Question 395

For the enterprise requirement "Unpredictably accessed objects are retained for a year, but no reliable access-frequency segmentation is known", the team implemented this change: Apply S3 Intelligent-Tiering with suitable monitoring and eligibility checks. Which result specifically demonstrates the fix works?

  1. A drill scales the secondary stack from its minimal footprint within the agreed RTO
  2. Storage-class distribution follows observed access and availability constraints without extensive manual classification
  3. A simulated interruption causes bounded rework and lowers total compute cost without losing final results
  4. Worker count falls during light load and rises when queue age approaches the delivery deadline

Explanation

Correct Answer

B:

This measures the behavior required by the specific solution, rather than simply checking that it was configured. S3 Intelligent-Tiering can move eligible objects among access tiers based on access frequency. The acceptance condition is linked directly to the scenario: Unpredictably accessed objects are retained for a year, but no reliable access-frequency segmentation is known.

Incorrect Answers

A:

A drill scales the secondary stack from its minimal footprint within the agreed RTO. However, this does not establish the required outcome: storage-class distribution follows observed access and availability constraints without extensive manual classification.

C:

A simulated interruption causes bounded rework and lowers total compute cost without losing final results. However, this does not establish the required outcome: storage-class distribution follows observed access and availability constraints without extensive manual classification.

D:

Worker count falls during light load and rises when queue age approaches the delivery deadline. However, this does not establish the required outcome: storage-class distribution follows observed access and availability constraints without extensive manual classification.

Question 396

An architecture review recommends this solution: Use AWS Cost Optimization Hub with supported account enrollment and recommendation aggregation. The motivating situation is: Operations needs one centralized queue of cost optimization recommendations from multiple AWS services. Which statement explains why the recommendation solves the specific problem?

  1. Cost Optimization Hub consolidates and de-duplicates supported AWS cost recommendations
  2. Service-specific delegated administration provides controlled cross-account security operations
  3. S3 Storage Lens supports visibility into storage activity and efficiency metrics
  4. Compute Savings Plans apply eligible usage discounts across supported services and configurations

Explanation

Correct Answer

A:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Use AWS Cost Optimization Hub with supported account enrollment and recommendation aggregation. The expected supporting evidence is: Finance sees prioritized savings opportunities and can distinguish overlapping cost recommendations.

Incorrect Answers

B:

Management-account-only operations were mistaken for necessary daily centralized security administration. The stated evidence instead indicates: Savings recommendations exist in separate consoles and are double counted in spreadsheets.

C:

Teams have only aggregate bills and cannot locate the source of inefficient storage usage. The stated evidence instead indicates: Savings recommendations exist in separate consoles and are double counted in spreadsheets.

D:

On-demand usage was left wholly uncommitted despite predictable baseline compute consumption. The stated evidence instead indicates: Savings recommendations exist in separate consoles and are double counted in spreadsheets.

Question 397

An architecture review recommends this solution: Perform application dependency discovery and group connected workloads into migration waves. The motivating situation is: A corporation has hundreds of interdependent on-premises services and cannot establish which databases must move together. Which technical principle most strongly justifies this recommendation?

  1. A centralized migration tracking layer supports coordination across application teams
  2. Migration transfer methods must fit volume, available bandwidth and allowed downtime
  3. Dependency mapping reduces migration risk by revealing the actual application interaction graph
  4. Incremental strangler migration reduces cutover risk through bounded feature replacement

Explanation

Correct Answer

C:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Perform application dependency discovery and group connected workloads into migration waves. The expected supporting evidence is: Each proposed migration wave includes dependencies required for a functional smoke test.

Incorrect Answers

A:

Migration tasks are tracked in separate team documents with no common portfolio state. The stated evidence instead indicates: Application lists omit runtime call dependencies and produce broken split-wave migrations.

B:

A simple online copy was selected without calculating network capacity and transfer duration. The stated evidence instead indicates: Application lists omit runtime call dependencies and produce broken split-wave migrations.

D:

An all-at-once replacement has unacceptable outage and rollback risk. The stated evidence instead indicates: Application lists omit runtime call dependencies and produce broken split-wave migrations.

Question 398

An architecture review recommends this solution: Add an S3 gateway VPC endpoint and route supported S3 traffic privately rather than through NAT. The motivating situation is: An application accesses S3 heavily from private VPC subnets and pays large NAT Gateway processing charges for those requests. Which architectural reasoning is most accurate for the choice?

  1. Gateway endpoints can avoid NAT traversal for eligible S3 and DynamoDB traffic
  2. S3 Intelligent-Tiering can move eligible objects among access tiers based on access frequency
  3. SQS dead-letter queues preserve failed messages for separate inspection and remediation
  4. RDS storage autoscaling can add storage within configured limits but does not automatically shrink it

Explanation

Correct Answer

A:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Add an S3 gateway VPC endpoint and route supported S3 traffic privately rather than through NAT. The expected supporting evidence is: NAT processed-byte charges for eligible S3 traffic fall while S3 requests still succeed under endpoint policy.

Incorrect Answers

B:

Fixed hot storage is retained for every object because teams cannot forecast access patterns. The stated evidence instead indicates: S3 calls egress through NAT because no supported endpoint route was configured.

C:

Repeated retries of one failed message prevent useful error isolation and redrive workflow. The stated evidence instead indicates: S3 calls egress through NAT because no supported endpoint route was configured.

D:

Storage capacity was fixed without safe growth management under variable data requirements. The stated evidence instead indicates: S3 calls egress through NAT because no supported endpoint route was configured.

Question 399

A deployed environment still does not meet the original requirement: A service currently stores a database password in deployment environment text and needs managed rotation without code updates. What original architectural gap most directly explains the failure?

  1. Stable compute baseline is paid at on-demand rates without analyzed commitments
  2. Traffic bypasses inspection endpoints, so rules exist but are never reached
  3. A static password in deployment parameters cannot be centrally rotated safely
  4. Basic infrastructure availability controls were mistaken for managed advanced DDoS response workflow

Explanation

Correct Answer

C:

This is the technical design error aligned with the unmet requirement. Secrets Manager can store and rotate secrets with applications retrieving current authorized values. The appropriate correction is: Move the secret to AWS Secrets Manager and adopt controlled retrieval and rotation integration. The control should then be tested by verifying that A rotation completes, the application authenticates with the new value, and old credentials are not exposed.

Incorrect Answers

A:

Stable compute baseline is paid at on-demand rates without analyzed commitments. The stated evidence instead indicates: A static password in deployment parameters cannot be centrally rotated safely.

B:

Traffic bypasses inspection endpoints, so rules exist but are never reached. The stated evidence instead indicates: A static password in deployment parameters cannot be centrally rotated safely.

D:

Basic infrastructure availability controls were mistaken for managed advanced DDoS response workflow. The stated evidence instead indicates: A static password in deployment parameters cannot be centrally rotated safely.

Question 400

An enterprise architecture team faces this design requirement: Large fault-tolerant batch analytics jobs can be interrupted and resumed while the team pays full on-demand prices. What is the most appropriate design for this workload?

  1. Use EC2 Spot capacity with checkpointing and interruption-aware retry mechanisms
  2. Configure S3 lifecycle transitions to a suitable archival storage class and test retrieval times
  3. Add an S3 gateway VPC endpoint and route supported S3 traffic privately rather than through NAT
  4. Configure protected AWS Backup Vault Lock compliance settings with appropriate retention and access governance

Explanation

Correct Answer

A:

Spot Instances optimize interruptible capacity costs when jobs tolerate reclaim events. The required architecture outcome is: Large fault-tolerant batch analytics jobs can be interrupted and resumed while the team pays full on-demand prices. Validate this choice by checking that A simulated interruption causes bounded rework and lowers total compute cost without losing final results.

Incorrect Answers

B:

Objects remain indefinitely in higher-cost storage despite a proven low-access retention pattern. The specific problem here is that the workload uses only on-demand capacity despite safe restart or checkpoint semantics.

C:

S3 calls egress through NAT because no supported endpoint route was configured. The specific problem here is that the workload uses only on-demand capacity despite safe restart or checkpoint semantics.

D:

Backup administrators can freely delete critical recovery points despite required immutability. The specific problem here is that the workload uses only on-demand capacity despite safe restart or checkpoint semantics.