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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 6

Question 50

A professional architect is reviewing two independent workstreams. Requirement A: Capacity planners need a monthly cost forecast that reflects a new Region and expected usage growth before deployment. Requirement B: Two regional Transit Gateways must exchange approved network prefixes without provisioning a separate VPC-to-VPC peering mesh. Choose TWO remedies that meet A and B respectively.

  1. Establish a Transit Gateway peering attachment and add the appropriate static routes in both Transit Gateway route tables
  2. Use Transit Gateway inspection VPC attachment with appliance mode and explicit symmetric inspection routes
  3. Share the eligible Transit Gateway using AWS Resource Access Manager and explicit attachment routing permissions
  4. Model expected service usage in AWS Pricing Calculator and compare results against historical billing trends
  5. Use Compute Optimizer and validate monitoring data before right-sizing eligible instances

Explanation

Correct Answers

A:

This action meets the independently stated requirement B: Two regional Transit Gateways must exchange approved network prefixes without provisioning a separate VPC-to-VPC peering mesh. Transit Gateway peering requires explicit routing between the regional gateways. A direct acceptance check is: Traffic crosses the regional peering attachment only for specifically installed and approved prefixes.

D:

This action meets the independently stated requirement A: Capacity planners need a monthly cost forecast that reflects a new Region and expected usage growth before deployment. Architecture forecasts require explicit usage assumptions rather than extrapolation without design changes. A direct acceptance check is: Proposed architecture cost estimates can be traced to entered quantities and forecast assumptions.

Incorrect Answers

B:

This action targets a different technical need: An organization needs central inspection of east-west traffic from multiple spoke VPCs without asymmetric return flows. It does not replace either required solution in A or B. Stateful network inspection requires symmetric paths through the selected inspection appliance; verify the two stated requirements independently rather than accepting an unrelated change.

C:

This action targets a different technical need: A central networking account must share an existing Transit Gateway with application accounts without duplicating it. It does not replace either required solution in A or B. AWS RAM can share supported resources while ownership remains in a central account; verify the two stated requirements independently rather than accepting an unrelated change.

E:

This action targets a different technical need: Dozens of overprovisioned EC2 instances need evidence-based CPU and memory sizing recommendations before changing families. It does not replace either required solution in A or B. Compute Optimizer uses resource metrics and recommendations but must be checked against workload SLOs; verify the two stated requirements independently rather than accepting an unrelated change.

Question 51

An enterprise architecture team faces this design requirement: A legacy billing system runs nightly ETL and downstream consumers need near-real-time invoice changes. Which selection is defensible under the given constraints?

  1. Use staged schema compatibility, full-load plus CDC migration and controlled dual-environment cutover tests
  2. Assess license portability, dedicated-host requirements and AWS License Manager before choosing targets
  3. Introduce change data capture and an event stream or bus with replay and idempotent consumers
  4. Identify bounded contexts and isolate independently deployable modules with explicit APIs and data ownership

Explanation

Correct Answer

C:

CDC-based event distribution can modernize delayed batch data propagation. The required architecture outcome is: A legacy billing system runs nightly ETL and downstream consumers need near-real-time invoice changes. Validate this choice by checking that Invoice updates arrive at consumers within the required lag and replay does not duplicate side effects.

Incorrect Answers

A:

A one-time export leaves days of writes uncopied before final deployment. The specific problem here is that all consumers wait for a nightly export despite a near-real-time freshness requirement.

B:

Licensing constraints were omitted until after destination EC2 instances were chosen. The specific problem here is that all consumers wait for a nightly export despite a near-real-time freshness requirement.

D:

Shared data and internal method calls prevent independent deployment and scale. The specific problem here is that all consumers wait for a nightly export despite a near-real-time freshness requirement.

Question 52

A deployed environment still does not meet the original requirement: A latency-sensitive API running in EKS cannot tolerate a single Availability Zone outage. What was most likely overlooked in the original design?

  1. Every backup copy resides in the same administration boundary as the threatened workloads
  2. All service replicas were scheduled in one zone despite multi-AZ infrastructure
  3. Static budgets cannot explain or detect each atypical spend pattern promptly
  4. Only source-region S3 versioning is enabled, but no replication rule or role exists

Explanation

Correct Answer

B:

This is the technical design error aligned with the unmet requirement. Multi-AZ Kubernetes workloads need scheduled replicas and correctly configured networking across zones. The appropriate correction is: Distribute worker nodes and eligible pods across multiple AZs with topology rules and disruption-aware service routing. The control should then be tested by verifying that Draining all nodes in one zone still leaves enough healthy replicas serving traffic from others.

Incorrect Answers

A:

Every backup copy resides in the same administration boundary as the threatened workloads. The stated evidence instead indicates: All service replicas were scheduled in one zone despite multi-AZ infrastructure.

C:

Static budgets cannot explain or detect each atypical spend pattern promptly. The stated evidence instead indicates: All service replicas were scheduled in one zone despite multi-AZ infrastructure.

D:

Only source-region S3 versioning is enabled, but no replication rule or role exists. The stated evidence instead indicates: All service replicas were scheduled in one zone despite multi-AZ infrastructure.

Question 53

An enterprise architecture team faces this design requirement: Service owners cannot separate API traffic incidents from infrastructure incidents across ten microservices. Which selection is defensible under the given constraints?

  1. Enable Security Hub delegated administration and finding aggregation for the target accounts and Regions
  2. Pair an AWS Config detection rule with controlled Systems Manager Automation remediation and change safeguards
  3. Instrument eligible application components with AWS X-Ray tracing or supported distributed tracing correlation
  4. Build CloudWatch operational dashboards with service-specific metrics, structured logging, and correlation identifiers

Explanation

Correct Answer

D:

Meaningful dashboards align telemetry with system service boundaries and indicators. The required architecture outcome is: Service owners cannot separate API traffic incidents from infrastructure incidents across ten microservices. Validate this choice by checking that An incident view identifies the affected service and response latency rather than just total fleet CPU.

Incorrect Answers

A:

Findings remain siloed in local account consoles and cannot be triaged centrally. The specific problem here is that metrics and logs are not organized into actionable per-service operational signals.

B:

Config findings are left as unactioned notifications while risky drift remains exposed. The specific problem here is that metrics and logs are not organized into actionable per-service operational signals.

C:

Uncorrelated logs hide where the end-to-end latency accumulates. The specific problem here is that metrics and logs are not organized into actionable per-service operational signals.

Question 54

For the enterprise requirement "A legacy service needs to move into an EKS platform with no interruption to dependent clients", the team implemented this change: Execute a staged container migration with parallel service validation and gradual load-balancer traffic shifting. Which outcome is the most meaningful acceptance test?

  1. Destination rows converge with source changes and validated CDC lag allows the final switchover
  2. Separate analysts query approved lake datasets without direct access to the legacy ETL host
  3. Eligible file changes are transferred and verified by a scheduled DataSync task
  4. New EKS pods pass readiness and regression tests before a controlled traffic cutover

Explanation

Correct Answer

D:

This measures the behavior required by the specific solution, rather than simply checking that it was configured. Container modernization requires tested runtime behavior and reversible client routing. The acceptance condition is linked directly to the scenario: A legacy service needs to move into an EKS platform with no interruption to dependent clients.

Incorrect Answers

A:

Destination rows converge with source changes and validated CDC lag allows the final switchover. However, this does not establish the required outcome: new EKS pods pass readiness and regression tests before a controlled traffic cutover.

B:

Separate analysts query approved lake datasets without direct access to the legacy ETL host. However, this does not establish the required outcome: new EKS pods pass readiness and regression tests before a controlled traffic cutover.

C:

Eligible file changes are transferred and verified by a scheduled DataSync task. However, this does not establish the required outcome: new EKS pods pass readiness and regression tests before a controlled traffic cutover.

Question 55

A deployed environment still does not meet the original requirement: An EC2 application requires private access to AWS Secrets Manager and S3 without traversing public network routes. What explains why the stated requirement was not met?

  1. Basic infrastructure availability controls were mistaken for managed advanced DDoS response workflow
  2. Static IAM user access keys were embedded in the external CI configuration
  3. Service API traffic depends on public egress or an unintended NAT route despite a private-access requirement
  4. The destination bucket is present but replication cannot use the destination KMS key

Explanation

Correct Answer

C:

This is the technical design error aligned with the unmet requirement. VPC endpoints provide private connectivity to supported AWS services inside defined network and policy controls. The appropriate correction is: Use the applicable interface and gateway VPC endpoints and restrict endpoint policies and subnet routes as needed. The control should then be tested by verifying that Cloud instances access approved services privately while disallowed API paths are rejected.

Incorrect Answers

A:

Basic infrastructure availability controls were mistaken for managed advanced DDoS response workflow. The stated evidence instead indicates: Service API traffic depends on public egress or an unintended NAT route despite a private-access requirement.

B:

Static IAM user access keys were embedded in the external CI configuration. The stated evidence instead indicates: Service API traffic depends on public egress or an unintended NAT route despite a private-access requirement.

D:

The destination bucket is present but replication cannot use the destination KMS key. The stated evidence instead indicates: Service API traffic depends on public egress or an unintended NAT route despite a private-access requirement.

Question 56

For the enterprise requirement "Critical backups must be scheduled consistently across many application accounts and retained by policy", the team implemented this change: Use AWS Organizations backup policies with verified account opt-in, vaults and access controls. Which test result proves this architecture satisfies its stated constraint?

  1. The delegated administrator can manage enrolled member security coverage within its supported scope
  2. Central compliance dashboards include resource findings from configured participating accounts and Regions
  3. Newly created and eligible changed objects arrive in the destination bucket with expected encryption
  4. Eligible accounts create scheduled recovery points according to policies and restores are tested

Explanation

Correct Answer

D:

This measures the behavior required by the specific solution, rather than simply checking that it was configured. Organization backup policies support common baseline definitions but still require functioning target configuration. The acceptance condition is linked directly to the scenario: Critical backups must be scheduled consistently across many application accounts and retained by policy.

Incorrect Answers

A:

The delegated administrator can manage enrolled member security coverage within its supported scope. However, this does not establish the required outcome: eligible accounts create scheduled recovery points according to policies and restores are tested.

B:

Central compliance dashboards include resource findings from configured participating accounts and Regions. However, this does not establish the required outcome: eligible accounts create scheduled recovery points according to policies and restores are tested.

C:

Newly created and eligible changed objects arrive in the destination bucket with expected encryption. However, this does not establish the required outcome: eligible accounts create scheduled recovery points according to policies and restores are tested.

Question 57

A deployed environment still does not meet the original requirement: A legacy database must meet high transactional availability and can accept conversion to an Aurora-compatible engine. What explains why the stated requirement was not met?

  1. Local instance disks are wrongly used as a shared durable POSIX file system
  2. Shared data and internal method calls prevent independent deployment and scale
  3. Application reliability still depends on one unmanaged database host and manual restores
  4. Tight synchronous coupling propagates a noncritical downstream failure to the primary transaction

Explanation

Correct Answer

C:

This is the technical design error aligned with the unmet requirement. Aurora offers managed high availability features for supported relational engines. The appropriate correction is: Modernize to an appropriately configured Amazon Aurora cluster with multi-AZ storage and tested failover. The control should then be tested by verifying that A controlled writer failure maintains recoverable transactional access after cluster endpoint reconnection.

Incorrect Answers

A:

Local instance disks are wrongly used as a shared durable POSIX file system. The stated evidence instead indicates: Application reliability still depends on one unmanaged database host and manual restores.

B:

Shared data and internal method calls prevent independent deployment and scale. The stated evidence instead indicates: Application reliability still depends on one unmanaged database host and manual restores.

D:

Tight synchronous coupling propagates a noncritical downstream failure to the primary transaction. The stated evidence instead indicates: Application reliability still depends on one unmanaged database host and manual restores.

Question 58

A professional architect is reviewing two independent workstreams. Requirement A: An ecommerce backend repeatedly recomputes expensive reads for product listings that change infrequently. Requirement B: Executives request one default migration method for every workload regardless of technical debt or value. Choose TWO actions that directly address these separate problems.

  1. Capture resources in versioned CloudFormation or CDK definitions and deploy through reviewed pipelines
  2. Introduce caching with explicit expiry and invalidation policies using CloudFront or ElastiCache as appropriate
  3. Use AWS DataSync agents and tasks with scheduling and integrity validation
  4. Classify applications through a defined 7 Rs migration assessment with business value, risk and retirement criteria
  5. Perform application dependency discovery and group connected workloads into migration waves

Explanation

Correct Answers

B:

This action meets the independently stated requirement A: An ecommerce backend repeatedly recomputes expensive reads for product listings that change infrequently. Correct cache placement and invalidation reduce repeated work without violating freshness needs. A direct acceptance check is: Hot listing requests avoid origin recomputation while updates invalidate stale items within product SLAs.

D:

This action meets the independently stated requirement B: Executives request one default migration method for every workload regardless of technical debt or value. The 7 Rs decision framework matches migration strategy to application context. A direct acceptance check is: Each workload has justified retire, retain, relocate, rehost, replatform, repurchase or refactor decision.

Incorrect Answers

A:

This action targets a different technical need: Cloud infrastructure is built manually for each test environment and nobody knows which resources can be reproduced. It does not replace either required solution in A or B. Infrastructure as code supports repeatability, reviews and automated lifecycle controls; verify the two stated requirements independently rather than accepting an unrelated change.

C:

This action targets a different technical need: A company must perform recurring secure file synchronization from on-premises NAS into Amazon S3 with minimal custom scripting. It does not replace either required solution in A or B. AWS DataSync automates supported file and object movement with verification features; verify the two stated requirements independently rather than accepting an unrelated change.

E:

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.

Question 59

A professional architect is reviewing two independent workstreams. Requirement A: An internal monolithic API has independently scalable request handlers and low idle traffic. Requirement B: An application runs a small cron job on a permanently running EC2 server, which spends most time idle. Which TWO controls should be used together for these separate scenarios?

  1. Move the schedule to EventBridge Scheduler with an appropriately scoped Lambda or supported task target
  2. Build a governed S3-centered data lake with AWS Glue metadata and appropriate analytics services
  3. Capture resources in versioned CloudFormation or CDK definitions and deploy through reviewed pipelines
  4. Track AWS Transform migration wave and server states, and maintain centrally owned application milestones, blockers and cutover decisions
  5. Extract suitable endpoints to API Gateway and Lambda with explicit authentication, throttling and timeout controls

Explanation

Correct Answers

A:

This action meets the independently stated requirement B: An application runs a small cron job on a permanently running EC2 server, which spends most time idle. Managed scheduling can invoke short-lived compute without operating a permanent cron host. A direct acceptance check is: The job executes at its configured schedule while no dedicated idle EC2 host is required.

E:

This action meets the independently stated requirement A: An internal monolithic API has independently scalable request handlers and low idle traffic. Serverless APIs can separate scaling from continuously provisioned application servers. A direct acceptance check is: Isolated handlers scale according to request demand and meet p95 latency and authorization targets.

Incorrect Answers

B:

This action targets a different technical need: A legacy reporting ETL cluster requires durable raw data sharing and easier scale-out queries across departments. It does not replace either required solution in A or B. A shared governed object-storage lake decouples data retention from individual processing engines; verify the two stated requirements independently rather than accepting an unrelated change.

C:

This action targets a different technical need: Cloud infrastructure is built manually for each test environment and nobody knows which resources can be reproduced. It does not replace either required solution in A or B. Infrastructure as code supports repeatability, reviews and automated lifecycle controls; verify the two stated requirements independently rather than accepting an unrelated change.

D:

This action targets a different technical need: A global enterprise wants a portfolio-level view of application migrations, owners, blockers and cutover states. It does not replace either required solution in A or B. A centralized migration tracking layer supports coordination across application teams; verify the two stated requirements independently rather than accepting an unrelated change.

Question 60

A professional architect is reviewing two independent workstreams. Requirement A: A high-throughput session API must share ephemeral session data among multiple application instances without database round trips. Requirement B: A compliance dataset is rarely accessed after 90 days but must remain recoverable with several-hour retrieval tolerance. Which TWO controls should be used together for these separate scenarios?

  1. Configure Route 53 health checks with primary and secondary failover records and tested TTL behavior
  2. Introduce DynamoDB DAX for supported cacheable read paths and check data freshness requirements
  3. Use ElastiCache Redis/Valkey-compatible cache with a suitable eviction and high-availability design
  4. Scale ECS services or EC2 Auto Scaling from queue depth and processing time metrics
  5. Configure S3 lifecycle transitions to a suitable archival storage class and test retrieval times

Explanation

Correct Answers

C:

This action meets the independently stated requirement A: A high-throughput session API must share ephemeral session data among multiple application instances without database round trips. A shared in-memory cache reduces backend read pressure when expiry and failure behavior are designed. A direct acceptance check is: Hot session lookups avoid repeated database queries and failure recovery preserves acceptable service behavior.

E:

This action meets the independently stated requirement B: A compliance dataset is rarely accessed after 90 days but must remain recoverable with several-hour retrieval tolerance. Lifecycle transitions reduce storage expense only if retrieval and minimum-duration constraints fit. A direct acceptance check is: Objects transition after the configured age and can be restored within the business retrieval target.

Incorrect Answers

A:

This action targets a different technical need: A Route 53 failover policy must move users between two independent public endpoints when the primary application fails. It does not replace either required solution in A or B. DNS health-based failover changes record responses, but clients may cache prior results; verify the two stated requirements independently rather than accepting an unrelated change.

B:

This action targets a different technical need: A product catalog on DynamoDB receives many repeated eventually consistent key lookups and requires microsecond cache responses. It does not replace either required solution in A or B. DAX offers managed in-memory caching for eligible DynamoDB read workloads; verify the two stated requirements independently rather than accepting an unrelated change.

D:

This action targets a different technical need: A queue-backed worker fleet is underloaded overnight but still runs a fixed large number of instances. It does not replace either required solution in A or B. Queue-driven scaling aligns paid worker capacity with outstanding workload; verify the two stated requirements independently rather than accepting an unrelated change.