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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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Corresponding Certification: AWS Certified Solutions Architect - Professional

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Amazon AWS Certified Solutions Architect - Professional SAP-C02 Practice Test 8

Question 70

A professional architect is reviewing two independent workstreams. Requirement A: A global media site sends repeated uncached misses to an expensive origin even with widespread CloudFront edge caches. Requirement B: A production deployment causes an outage because all old tasks were removed before new code passed tests. Select TWO actions, one for each independently scoped requirement.

  1. Introduce a blue-green deployment strategy with health alarms and traffic rollback
  2. Configure and verify Route 53 failover records with endpoint health checks and explicit secondary routing
  3. Add an appropriate CloudFront Origin Shield layer and adjust origin caching strategy
  4. Inventory unattached EBS volumes and delete or archive approved volumes after snapshot and ownership checks
  5. Select an appropriate EBS gp3 volume with independently provisioned performance settings and test application throughput

Explanation

Correct Answers

A:

This action meets the independently stated requirement B: A production deployment causes an outage because all old tasks were removed before new code passed tests. Blue-green promotion protects a known-good environment until replacement quality is established. A direct acceptance check is: New instances become healthy before major traffic shift and rollback restores the previous code path.

C:

This action meets the independently stated requirement A: A global media site sends repeated uncached misses to an expensive origin even with widespread CloudFront edge caches. CloudFront Origin Shield can consolidate cache misses through an additional regional layer. A direct acceptance check is: Origin request count drops under a multi-edge cache miss test while freshness remains correct.

Incorrect Answers

B:

This action targets a different technical need: Two Regions are deployed but customer requests stay routed to the failed primary endpoint indefinitely. It does not replace either required solution in A or B. DNS failover needs a health-signal and routing policy that actually switches answers; verify the two stated requirements independently rather than accepting an unrelated change.

D:

This action targets a different technical need: Operations retains detached EBS volumes after instance termination and pays for unused storage for months. It does not replace either required solution in A or B. EBS storage billing continues for allocated volumes until they are deleted or otherwise changed; verify the two stated requirements independently rather than accepting an unrelated change.

E:

This action targets a different technical need: An EC2 application needs sustained random IOPS independent of EBS volume storage-size growth. It does not replace either required solution in A or B. gp3 separates baseline volume storage size from configurable IOPS and throughput within limits; verify the two stated requirements independently rather than accepting an unrelated change.

Question 71

A professional architect is reviewing two independent workstreams. Requirement A: A product releases the same service to two Regions and must require a compliance approval before the second Region goes live. Requirement B: A legacy application has a few-hour RTO but cannot justify running the complete secondary stack continuously. Which TWO architecture changes cover both acceptance criteria?

  1. Use CodePipeline stages with independent regional deploy actions and a manual approval gate before the restricted stage
  2. Use an appropriately designed active-active multi-Region architecture with global routing and compatible data replication
  3. Maintain a pilot-light copy of the essential data and core services and automate remaining capacity restoration
  4. Use EC2 Spot capacity with checkpointing and interruption-aware retry mechanisms
  5. Add pipeline quality gates and explicit approval conditions prior to production deployment

Explanation

Correct Answers

A:

This action meets the independently stated requirement A: A product releases the same service to two Regions and must require a compliance approval before the second Region goes live. Multi-Region pipelines can enforce explicit promotion and approval boundaries. A direct acceptance check is: The first Region deploys, the second Region waits for approval, and rejection prevents restricted rollout.

C:

This action meets the independently stated requirement B: A legacy application has a few-hour RTO but cannot justify running the complete secondary stack continuously. Pilot light retains critical replicated services while reconstructing additional capacity during recovery. A direct acceptance check is: A drill scales the secondary stack from its minimal footprint within the agreed RTO.

Incorrect Answers

B:

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.

D:

This action targets a different technical need: Large fault-tolerant batch analytics jobs can be interrupted and resumed while the team pays full on-demand prices. It does not replace either required solution in A or B. Spot Instances optimize interruptible capacity costs when jobs tolerate reclaim events; verify the two stated requirements independently rather than accepting an unrelated change.

E:

This action targets a different technical need: A payment service must block production release if vulnerability and smoke-test gates fail, even though the build itself succeeded. It does not replace either required solution in A or B. Release pipelines should verify deployment risk and acceptance criteria beyond build success; verify the two stated requirements independently rather than accepting an unrelated change.

Question 72

For the enterprise requirement "A payment service must block production release if vulnerability and smoke-test gates fail, even though the build itself succeeded", the team implemented this change: Add pipeline quality gates and explicit approval conditions prior to production deployment. Which evidence confirms the intended behavior under test?

  1. A newly added target account receives the intended stack instances while an excluded OU does not
  2. Small traffic shares move to the new stack first; an error alarm redirects traffic to the proven stack
  3. Failed security or smoke tests prevent production deployment while passing builds can be promoted
  4. p95 latency and unit costs improve in a representative arm64 canary with all native libraries working

Explanation

Correct Answer

C:

This measures the behavior required by the specific solution, rather than simply checking that it was configured. Release pipelines should verify deployment risk and acceptance criteria beyond build success. The acceptance condition is linked directly to the scenario: A payment service must block production release if vulnerability and smoke-test gates fail, even though the build itself succeeded.

Incorrect Answers

A:

A newly added target account receives the intended stack instances while an excluded OU does not. However, this does not establish the required outcome: failed security or smoke tests prevent production deployment while passing builds can be promoted.

B:

Small traffic shares move to the new stack first; an error alarm redirects traffic to the proven stack. However, this does not establish the required outcome: failed security or smoke tests prevent production deployment while passing builds can be promoted.

D:

P95 latency and unit costs improve in a representative arm64 canary with all native libraries working. However, this does not establish the required outcome: failed security or smoke tests prevent production deployment while passing builds can be promoted.

Question 73

An enterprise architecture team faces this design requirement: External trading partners depend on SFTP interfaces, but the receiving application will store files in S3. What design change should the team implement?

  1. Introduce consistent tracing and structured correlation with CloudWatch and an OpenTelemetry-compatible collector where appropriate
  2. Use AWS Transfer Family with a supported SFTP endpoint and appropriate identity and S3 permissions
  3. Use AWS DataSync agents and tasks with scheduling and integrity validation
  4. Use AWS Schema Conversion Tool or appropriate supported schema conversion assessment, then AWS DMS for data

Explanation

Correct Answer

B:

AWS Transfer Family exposes managed file-transfer protocols to supported AWS storage. The required architecture outcome is: External trading partners depend on SFTP interfaces, but the receiving application will store files in S3. Validate this choice by checking that Partners connect over SFTP and transferred objects appear in assigned bucket prefixes.

Incorrect Answers

A:

Separate component logs cannot be correlated to customer transactions. The specific problem here is that partners are forced to replace SFTP clients with AWS SDK calls without business approval.

C:

Homegrown scripts do not handle incremental transfer, scheduling and verification consistently. The specific problem here is that partners are forced to replace SFTP clients with AWS SDK calls without business approval.

D:

Replicating table data alone does not translate incompatible source SQL constructs. The specific problem here is that partners are forced to replace SFTP clients with AWS SDK calls without business approval.

Question 74

A deployed environment still does not meet the original requirement: A queue-backed worker fleet is underloaded overnight but still runs a fixed large number of instances. Which underlying cause should be investigated first?

  1. Fixed EC2 capacity is provisioned 24/7 despite infrequent invocation
  2. Static worker capacity ignores observable demand while processing latency varies
  3. Service API traffic depends on public egress or an unintended NAT route despite a private-access requirement
  4. Fixed hot storage is retained for every object because teams cannot forecast access patterns

Explanation

Correct Answer

B:

This is the technical design error aligned with the unmet requirement. Queue-driven scaling aligns paid worker capacity with outstanding workload. The appropriate correction is: Scale ECS services or EC2 Auto Scaling from queue depth and processing time metrics. The control should then be tested by verifying that Worker count falls during light load and rises when queue age approaches the delivery deadline.

Incorrect Answers

A:

Fixed EC2 capacity is provisioned 24/7 despite infrequent invocation. The stated evidence instead indicates: Static worker capacity ignores observable demand while processing latency varies.

C:

Service API traffic depends on public egress or an unintended NAT route despite a private-access requirement. The stated evidence instead indicates: Static worker capacity ignores observable demand while processing latency varies.

D:

Fixed hot storage is retained for every object because teams cannot forecast access patterns. The stated evidence instead indicates: Static worker capacity ignores observable demand while processing latency varies.

Question 75

An architecture review recommends this solution: Use AWS Global Accelerator with endpoint groups and regional health-based routing. The motivating situation is: A latency-sensitive global TCP application requires fast traffic steering to healthy regional application load balancers using static anycast addresses. Which principle would a reviewer use to defend this design?

  1. Independent Direct Connect circuits and correctly associated gateways improve hybrid-path resiliency
  2. Global Accelerator provides stable global anycast addresses and network-level endpoint health routing
  3. Consolidated billing can share eligible reservations across member accounts subject to sharing settings
  4. Transit Gateway peering requires explicit routing between the regional gateways

Explanation

Correct Answer

B:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Use AWS Global Accelerator with endpoint groups and regional health-based routing. The expected supporting evidence is: Clients retain accelerator anycast IPs and are directed to a healthy regional endpoint when one Region fails.

Incorrect Answers

A:

A single Direct Connect circuit creates a site-to-cloud connectivity single point of failure. The stated evidence instead indicates: Ordinary regional endpoints offer neither the requested global anycast entry point nor accelerator health steering.

C:

RI purchases are evaluated only in the purchasing account without considering shared billing treatment. The stated evidence instead indicates: Ordinary regional endpoints offer neither the requested global anycast entry point nor accelerator health steering.

D:

The architecture assumes that Transit Gateway peering automatically propagates interregional routes. The stated evidence instead indicates: Ordinary regional endpoints offer neither the requested global anycast entry point nor accelerator health steering.

Question 76

For the enterprise requirement "Production maintenance requires an explicit approval and tracked change record before automation updates EC2 systems", the team implemented this change: Gate a least-privilege Systems Manager Automation runbook with an aws:approve step and retain change approval and execution records. What would most directly validate the implementation?

  1. Simulated or published applicable Health events reach the responsible operations group before planned impact
  2. A deliberately noncompliant bucket triggers the configured corrective control and audit records
  3. Tested gp3 configuration meets IO SLOs at lower monthly storage and provisioned-performance cost
  4. Unauthorized execution is blocked and approved changes have associated audit evidence

Explanation

Correct Answer

D:

This measures the behavior required by the specific solution, rather than simply checking that it was configured. Controlled automation separates approval from execution and preserves traceability. The acceptance condition is linked directly to the scenario: Production maintenance requires an explicit approval and tracked change record before automation updates EC2 systems.

Incorrect Answers

A:

Simulated or published applicable Health events reach the responsible operations group before planned impact. However, this does not establish the required outcome: unauthorized execution is blocked and approved changes have associated audit evidence.

B:

A deliberately noncompliant bucket triggers the configured corrective control and audit records. However, this does not establish the required outcome: unauthorized execution is blocked and approved changes have associated audit evidence.

C:

Tested gp3 configuration meets IO SLOs at lower monthly storage and provisioned-performance cost. However, this does not establish the required outcome: unauthorized execution is blocked and approved changes have associated audit evidence.

Question 77

For the enterprise requirement "The security team manages GuardDuty separately in 50 accounts and misses newly created member accounts", the team implemented this change: Configure organization-wide GuardDuty administration with supported automatic enrollment and region strategy. Which observation should be required before the change is approved?

  1. New cryptographic material is used when rotation occurs while previously encrypted data remains decryptable
  2. Existing and new participating accounts report eligible findings to the delegated administrator
  3. Restoring a suitable past timestamp creates a usable table with correct records
  4. Cross-account access findings identify external principals and clear only when permissions are corrected

Explanation

Correct Answer

B:

This measures the behavior required by the specific solution, rather than simply checking that it was configured. Central GuardDuty administration supports ongoing multi-account detection enrollment. The acceptance condition is linked directly to the scenario: The security team manages GuardDuty separately in 50 accounts and misses newly created member accounts.

Incorrect Answers

A:

New cryptographic material is used when rotation occurs while previously encrypted data remains decryptable. However, this does not establish the required outcome: existing and new participating accounts report eligible findings to the delegated administrator.

C:

Restoring a suitable past timestamp creates a usable table with correct records. However, this does not establish the required outcome: existing and new participating accounts report eligible findings to the delegated administrator.

D:

Cross-account access findings identify external principals and clear only when permissions are corrected. However, this does not establish the required outcome: existing and new participating accounts report eligible findings to the delegated administrator.

Question 78

An architecture review recommends this solution: Use AWS Private CA to issue private certificates with a managed trust chain and documented renewal. The motivating situation is: Internal mTLS certificates for services must be issued under a private organizational trust root with controlled rotation. Why does this approach fit the stated design constraints?

  1. AWS Private CA supports private certificate authorities for internal certificate issuance
  2. Organization-level Config rules continuously evaluate configuration and can launch controlled remediations
  3. An organization trail and protected storage form a centralized account-wide auditing design
  4. Cross-account KMS use requires authorization from the key-owning account and the requesting principal

Explanation

Correct Answer

A:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Use AWS Private CA to issue private certificates with a managed trust chain and documented renewal. The expected supporting evidence is: A client trusts the correct private CA chain and rejects a certificate issued outside that trust.

Incorrect Answers

B:

Per-account one-off inspections do not continuously evaluate drift across accounts. The stated evidence instead indicates: Public ACM-issued certificates were wrongly assumed to provide a corporate private CA chain.

C:

Local activity trails are not consolidated into the audit security boundary. The stated evidence instead indicates: Public ACM-issued certificates were wrongly assumed to provide a corporate private CA chain.

D:

The remote principal has S3 object access but lacks required key-policy and IAM decrypt permission. The stated evidence instead indicates: Public ACM-issued certificates were wrongly assumed to provide a corporate private CA chain.

Question 79

A deployed environment still does not meet the original requirement: An order orchestration needs safe retry handling for transient service failures without rerunning completed prior steps. Which root cause is most consistent with the observation?

  1. Each team independently patches hand-built machine images without reproducible validation
  2. No event archive exists to replay notifications that failed during downstream processing
  3. Repeated retries of one failed message prevent useful error isolation and redrive workflow
  4. Imperative glue retries all upstream steps and creates duplicate side effects

Explanation

Correct Answer

D:

This is the technical design error aligned with the unmet requirement. Step Functions supports explicit state-level retry and error handling but side effects still require idempotency. The appropriate correction is: Define AWS Step Functions state-machine Retry and Catch behavior with idempotent service tasks. The control should then be tested by verifying that A simulated transient error is retried according to policy and a persistent error follows a defined failure branch.

Incorrect Answers

A:

Each team independently patches hand-built machine images without reproducible validation. The stated evidence instead indicates: Imperative glue retries all upstream steps and creates duplicate side effects.

B:

No event archive exists to replay notifications that failed during downstream processing. The stated evidence instead indicates: Imperative glue retries all upstream steps and creates duplicate side effects.

C:

Repeated retries of one failed message prevent useful error isolation and redrive workflow. The stated evidence instead indicates: Imperative glue retries all upstream steps and creates duplicate side effects.

Question 80

An enterprise architecture team faces this design requirement: Business records must remain tamper-resistant during the retention period even if a security administrator compromises a backup account. Which selection is defensible under the given constraints?

  1. Configure S3 replication rules with correct versioning and KMS permissions for destination encrypted objects
  2. Configure protected AWS Backup Vault Lock compliance settings with appropriate retention and access governance
  3. Run service tasks across multiple AZs with compatible load balancing and spare or scaling capacity
  4. Add supported RDS read replicas and route eventually consistent reporting reads away from the writer

Explanation

Correct Answer

B:

Backup Vault Lock compliance controls can enforce retained recovery-point immutability. The required architecture outcome is: Business records must remain tamper-resistant during the retention period even if a security administrator compromises a backup account. Validate this choice by checking that An unauthorized attempt to delete a protected recovery point is denied before retention expires.

Incorrect Answers

A:

The destination bucket is present but replication cannot use the destination KMS key. The specific problem here is that backup administrators can freely delete critical recovery points despite required immutability.

C:

All containers share a single placement failure domain and cannot be rescheduled in time. The specific problem here is that backup administrators can freely delete critical recovery points despite required immutability.

D:

Read-only analytical traffic saturates the production database's single writable instance. The specific problem here is that backup administrators can freely delete critical recovery points despite required immutability.