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Amazon AWS Certified Solutions Architect - Professional SAP-C02 Bundle

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

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Amazon AWS Certified Solutions Architect - Professional SAP-C02 Practice Test 52

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.

Question 511

An architecture review recommends this solution: Track AWS Transform migration wave and server states, and maintain centrally owned application milestones, blockers and cutover decisions. The motivating situation is: A global enterprise wants a portfolio-level view of application migrations, owners, blockers and cutover states. Why does this approach fit the stated design constraints?

  1. AWS DMS can move data using full load and ongoing CDC for supported sources
  2. A centralized migration tracking layer supports coordination across application teams
  3. Platform migration viability depends on software support and hardware or driver compatibility
  4. Migration transfer methods must fit volume, available bandwidth and allowed downtime

Explanation

Correct Answer

B:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Track AWS Transform migration wave and server states, and maintain centrally owned application milestones, blockers and cutover decisions. The expected supporting evidence is: Owners can trace migration milestones and blockers for each workload without conflicting local spreadsheets.

Incorrect Answers

A:

One-time offline export cannot satisfy the narrow write-freeze window. The stated evidence instead indicates: Migration tasks are tracked in separate team documents with no common portfolio state.

C:

Source virtualization format was mistaken for a guarantee of target runtime compatibility. The stated evidence instead indicates: Migration tasks are tracked in separate team documents with no common portfolio state.

D:

A simple online copy was selected without calculating network capacity and transfer duration. The stated evidence instead indicates: Migration tasks are tracked in separate team documents with no common portfolio state.

Question 512

An architecture review recommends this solution: Enable Security Hub delegated administration and finding aggregation for the target accounts and Regions. The motivating situation is: A corporate SOC needs one prioritized security findings view across enabled security services and Regions. Which consideration makes this solution preferable to the original approach?

  1. S3 analytics and lifecycle rules target recoverable storage waste when retention is respected
  2. KMS key rotation retains ability to decrypt data encrypted with earlier key material
  3. Security Hub consolidates security posture and findings from participating services
  4. S3 Access Points can support distinct access policies for shared buckets

Explanation

Correct Answer

C:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Enable Security Hub delegated administration and finding aggregation for the target accounts and Regions. The expected supporting evidence is: Security Hub centrally displays eligible standardized findings with source context preserved.

Incorrect Answers

A:

Dormant storage versions and partial uploads accumulate without inventory or lifecycle governance. The stated evidence instead indicates: Findings remain siloed in local account consoles and cannot be triaged centrally.

B:

Teams confuse key material rotation with replacing the KMS key ID and losing access to old data. The stated evidence instead indicates: Findings remain siloed in local account consoles and cannot be triaged centrally.

D:

One overbroad bucket-level policy grants both teams access to all data. The stated evidence instead indicates: Findings remain siloed in local account consoles and cannot be triaged centrally.

Question 513

A deployed environment still does not meet the original requirement: A corporate SOC needs one prioritized security findings view across enabled security services and Regions. Which missing control accounts for the continuing issue?

  1. Threat detection remains inconsistently deployed across member accounts and Regions
  2. Dormant storage versions and partial uploads accumulate without inventory or lifecycle governance
  3. Findings remain siloed in local account consoles and cannot be triaged centrally
  4. Teams confuse key material rotation with replacing the KMS key ID and losing access to old data

Explanation

Correct Answer

C:

This is the technical design error aligned with the unmet requirement. Security Hub consolidates security posture and findings from participating services. The appropriate correction is: Enable Security Hub delegated administration and finding aggregation for the target accounts and Regions. The control should then be tested by verifying that Security Hub centrally displays eligible standardized findings with source context preserved.

Incorrect Answers

A:

Threat detection remains inconsistently deployed across member accounts and Regions. The stated evidence instead indicates: Findings remain siloed in local account consoles and cannot be triaged centrally.

B:

Dormant storage versions and partial uploads accumulate without inventory or lifecycle governance. The stated evidence instead indicates: Findings remain siloed in local account consoles and cannot be triaged centrally.

D:

Teams confuse key material rotation with replacing the KMS key ID and losing access to old data. The stated evidence instead indicates: Findings remain siloed in local account consoles and cannot be triaged centrally.

Question 514

An enterprise architecture team faces this design requirement: A high-throughput session API must share ephemeral session data among multiple application instances without database round trips. Which option best aligns with the business and technical requirement?

  1. Configure CloudFront caching with appropriate TTL, cache keys and regional origin controls
  2. Use ElastiCache Redis/Valkey-compatible cache with a suitable eviction and high-availability design
  3. Configure Global Accelerator listeners and healthy regional ALB or NLB endpoints
  4. Configure EventBridge archives and event replay with selection patterns and measured retention

Explanation

Correct Answer

B:

A shared in-memory cache reduces backend read pressure when expiry and failure behavior are designed. The required architecture outcome is: A high-throughput session API must share ephemeral session data among multiple application instances without database round trips. Validate this choice by checking that Hot session lookups avoid repeated database queries and failure recovery preserves acceptable service behavior.

Incorrect Answers

A:

Every static asset fetch goes to a distant origin instead of the edge cache. The specific problem here is that instance-local caches cannot share consistent ephemeral state across horizontally scaled hosts.

C:

Region-specific public IPs and DNS routing do not provide the needed global anycast transport optimization. The specific problem here is that instance-local caches cannot share consistent ephemeral state across horizontally scaled hosts.

D:

No event archive exists to replay notifications that failed during downstream processing. The specific problem here is that instance-local caches cannot share consistent ephemeral state across horizontally scaled hosts.

Question 515

An enterprise architecture team faces this design requirement: Enterprise billing shows a stable EC2 spend baseline but Savings Plans are not aligned with actual account usage. Which action would resolve the problem without adding unrelated capabilities?

  1. Review capacity provider strategy, instance-type resources and task placement requirements
  2. Analyze Cost Explorer coverage and utilization before adjusting a suitable commitment
  3. Use S3 Storage Lens or inventory analytics and implement targeted lifecycle cleanup rules
  4. Benchmark throughput and latency, then evaluate a supported gp3 volume where required performance fits

Explanation

Correct Answer

B:

Savings Plan decisions require evidence about coverage and utilization of eligible compute. The required architecture outcome is: Enterprise billing shows a stable EC2 spend baseline but Savings Plans are not aligned with actual account usage. Validate this choice by checking that Eligible baseline compute spend receives discounts without excessive underused commitment.

Incorrect Answers

A:

Cluster compute totals are misleading because the needed task resources are not schedulable. The specific problem here is that capacity commitments are purchased solely from forecast without checking historical eligible use.

C:

Dormant storage versions and partial uploads accumulate without inventory or lifecycle governance. The specific problem here is that capacity commitments are purchased solely from forecast without checking historical eligible use.

D:

Premium IOPS are maintained without evidence of workload needing them. The specific problem here is that capacity commitments are purchased solely from forecast without checking historical eligible use.

Question 516

A deployed environment still does not meet the original requirement: A managed relational database continuously exceeds planned storage allocation but manual overprovisioning wastes capacity. Which missing control accounts for the continuing issue?

  1. Storage capacity was fixed without safe growth management under variable data requirements
  2. Fixed hot storage is retained for every object because teams cannot forecast access patterns
  3. Objects remain indefinitely in higher-cost storage despite a proven low-access retention pattern
  4. Every read request traverses the backing DynamoDB service despite highly reusable cacheable data

Explanation

Correct Answer

A:

This is the technical design error aligned with the unmet requirement. RDS storage autoscaling can add storage within configured limits but does not automatically shrink it. The appropriate correction is: Enable and configure supported RDS storage autoscaling limits and monitor growth patterns. The control should then be tested by verifying that Free storage stays above emergency thresholds while capacity grows within policy rather than being oversized initially.

Incorrect Answers

B:

Fixed hot storage is retained for every object because teams cannot forecast access patterns. The stated evidence instead indicates: Storage capacity was fixed without safe growth management under variable data requirements.

C:

Objects remain indefinitely in higher-cost storage despite a proven low-access retention pattern. The stated evidence instead indicates: Storage capacity was fixed without safe growth management under variable data requirements.

D:

Every read request traverses the backing DynamoDB service despite highly reusable cacheable data. The stated evidence instead indicates: Storage capacity was fixed without safe growth management under variable data requirements.

Question 517

An architecture review recommends this solution: Configure CloudFront caching with appropriate TTL, cache keys and regional origin controls. The motivating situation is: A global static web application experiences high latency because users repeatedly fetch unchanged assets from one Region. Which consideration makes this solution preferable to the original approach?

  1. OIDC role federation supports temporary credentials and scoped trust for external workloads
  2. A shared in-memory cache reduces backend read pressure when expiry and failure behavior are designed
  3. Graviton migration requires compatible architecture builds and representative workload benchmarking
  4. CloudFront edge caching reduces origin fetches for cacheable content

Explanation

Correct Answer

D:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Configure CloudFront caching with appropriate TTL, cache keys and regional origin controls. The expected supporting evidence is: Cache hit ratio increases and p95 download latency improves across distant test locations.

Incorrect Answers

A:

Static IAM user access keys were embedded in the external CI configuration. The stated evidence instead indicates: Every static asset fetch goes to a distant origin instead of the edge cache.

B:

Instance-local caches cannot share consistent ephemeral state across horizontally scaled hosts. The stated evidence instead indicates: Every static asset fetch goes to a distant origin instead of the edge cache.

C:

The team assumes an x86 machine image and native binaries can run unchanged on arm64. The stated evidence instead indicates: Every static asset fetch goes to a distant origin instead of the edge cache.

Question 518

A deployed environment still does not meet the original requirement: A custom Oracle application uses database-specific stored procedures and must move to an open-source engine. What explains why the stated requirement was not met?

  1. Licensing constraints were omitted until after destination EC2 instances were chosen
  2. Migration tasks are tracked in separate team documents with no common portfolio state
  3. Complex heterogeneous schema conversion was selected unnecessarily for a same-engine migration
  4. Database engine migration was assumed to be a simple homogeneous replication job

Explanation

Correct Answer

D:

This is the technical design error aligned with the unmet requirement. Heterogeneous migrations require schema and code compatibility assessment, not only row transfer. The appropriate correction is: Assess schema, procedural conversion complexity and application query compatibility using suitable database migration assessment tools. The control should then be tested by verifying that A conversion report identifies unsupported objects and a pilot executes critical queries correctly.

Incorrect Answers

A:

Licensing constraints were omitted until after destination EC2 instances were chosen. The stated evidence instead indicates: Database engine migration was assumed to be a simple homogeneous replication job.

B:

Migration tasks are tracked in separate team documents with no common portfolio state. The stated evidence instead indicates: Database engine migration was assumed to be a simple homogeneous replication job.

C:

Complex heterogeneous schema conversion was selected unnecessarily for a same-engine migration. The stated evidence instead indicates: Database engine migration was assumed to be a simple homogeneous replication job.

Question 519

A professional architect is reviewing two independent workstreams. Requirement A: An internet service must survive one Availability Zone failure while adjusting to fluctuating weekday usage. Requirement B: A global static web application experiences high latency because users repeatedly fetch unchanged assets from one Region. Which TWO architecture changes cover both acceptance criteria?

  1. Adjust stream capacity mode or shard count and confirm partition key distribution
  2. Configure CloudFront caching with appropriate TTL, cache keys and regional origin controls
  3. Deploy a supported RDS Multi-AZ configuration and verify connection retry and DNS handling
  4. Use an Application Load Balancer with Auto Scaling groups spanning multiple AZs and health checks
  5. Configure S3 lifecycle transitions to a suitable archival storage class and test retrieval times

Explanation

Correct Answers

B:

This action meets the independently stated requirement B: A global static web application experiences high latency because users repeatedly fetch unchanged assets from one Region. CloudFront edge caching reduces origin fetches for cacheable content. A direct acceptance check is: Cache hit ratio increases and p95 download latency improves across distant test locations.

D:

This action meets the independently stated requirement A: An internet service must survive one Availability Zone failure while adjusting to fluctuating weekday usage. Multi-AZ target placement and health-driven scaling provide elastic zonal resilience. A direct acceptance check is: Terminating all instances in one zone leaves healthy targets and Auto Scaling replaces lost capacity.

Incorrect Answers

A:

This action targets a different technical need: A Kinesis data stream has increasing write throttling because producers exceed the capacity of its current shard configuration. It does not replace either required solution in A or B. Kinesis stream performance depends on provisioned or on-demand capacity and balanced partition keys; verify the two stated requirements independently rather than accepting an unrelated change.

C:

This action targets a different technical need: A transactional RDS workload must automatically fail over within the Region on an AZ failure. It does not replace either required solution in A or B. RDS Multi-AZ provides standby capacity for automated intra-Region failover, not read scaling by itself; verify the two stated requirements independently rather than accepting an unrelated change.

E:

This action targets a different technical need: A compliance dataset is rarely accessed after 90 days but must remain recoverable with several-hour retrieval tolerance. It does not replace either required solution in A or B. Lifecycle transitions reduce storage expense only if retrieval and minimum-duration constraints fit; verify the two stated requirements independently rather than accepting an unrelated change.

Question 520

An enterprise architecture team faces this design requirement: A central networking account must share an existing Transit Gateway with application accounts without duplicating it. Which selection is defensible under the given constraints?

  1. Enable VPC subnet sharing through AWS RAM for eligible accounts in the same organization
  2. Configure a Config aggregator with organization or account sources and appropriate delegated read access
  3. Share the eligible Transit Gateway using AWS Resource Access Manager and explicit attachment routing permissions
  4. Enable S3 Cross-Region Replication with correct versioning, role permissions and ownership controls

Explanation

Correct Answer

C:

AWS RAM can share supported resources while ownership remains in a central account. The required architecture outcome is: A central networking account must share an existing Transit Gateway with application accounts without duplicating it. Validate this choice by checking that Approved application accounts can create authorized attachments to the centrally owned gateway.

Incorrect Answers

A:

Separate VPC copies and peering links were created instead of sharing centrally governed subnets. The specific problem here is that each application team is provisioning its own disconnected backbone gateway.

B:

Local Config assessments exist but no aggregation exposes cross-account status. The specific problem here is that each application team is provisioning its own disconnected backbone gateway.

D:

Only source-region S3 versioning is enabled, but no replication rule or role exists. The specific problem here is that each application team is provisioning its own disconnected backbone gateway.