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Amazon AWS Certified Solutions Architect - Professional SAP-C02 Bundle

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

Exam Name AWS Certified Solutions Architect - Professional SAP-C02

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Amazon AWS Certified Solutions Architect - Professional SAP-C02 Practice Test 68

Question 670

An architecture review recommends this solution: Configure S3 replication rules with correct versioning and KMS permissions for destination encrypted objects. The motivating situation is: Two Regions must retain independently encrypted object replicas to meet recovery requirements during a source Region failure. Which principle would a reviewer use to defend this design?

  1. Pilot light retains critical replicated services while reconstructing additional capacity during recovery
  2. S3 encrypted object replication needs versioning and appropriate replication-role KMS authorization
  3. Active-active architectures provide immediate regional capacity but require safe multi-Region data behavior
  4. DAX offers managed in-memory caching for eligible DynamoDB read workloads

Explanation

Correct Answer

B:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Configure S3 replication rules with correct versioning and KMS permissions for destination encrypted objects. The expected supporting evidence is: Eligible new source objects replicate with appropriate destination encryption and remain readable during source outage.

Incorrect Answers

A:

Every component must be rebuilt from scratch after failure, despite a tighter RTO. The stated evidence instead indicates: The destination bucket is present but replication cannot use the destination KMS key.

C:

A single active Region was incorrectly advertised as having near-zero recovery time. The stated evidence instead indicates: The destination bucket is present but replication cannot use the destination KMS key.

D:

Every read request traverses the backing DynamoDB service despite highly reusable cacheable data. The stated evidence instead indicates: The destination bucket is present but replication cannot use the destination KMS key.

Question 671

A professional architect is reviewing two independent workstreams. Requirement A: A legacy service needs to move into an EKS platform with no interruption to dependent clients. Requirement B: An internal monolithic API has independently scalable request handlers and low idle traffic. Select TWO actions, one for each independently scoped requirement.

  1. Classify applications through a defined 7 Rs migration assessment with business value, risk and retirement criteria
  2. Migrate shared application files to Amazon EFS with appropriate mount targets and throughput configuration
  3. Assess the COBOL and batch-job dependencies, then evaluate AWS Transform for mainframe and supported vendor replatforming paths
  4. Extract suitable endpoints to API Gateway and Lambda with explicit authentication, throttling and timeout controls
  5. Execute a staged container migration with parallel service validation and gradual load-balancer traffic shifting

Explanation

Correct Answers

D:

This action meets the independently stated requirement B: 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.

E:

This action meets the independently stated requirement A: A legacy service needs to move into an EKS platform with no interruption to dependent clients. Container modernization requires tested runtime behavior and reversible client routing. A direct acceptance check is: New EKS pods pass readiness and regression tests before a controlled traffic cutover.

Incorrect Answers

A:

This action targets a different technical need: Executives request one default migration method for every workload regardless of technical debt or value. It does not replace either required solution in A or B. The 7 Rs decision framework matches migration strategy to application context; verify the two stated requirements independently rather than accepting an unrelated change.

B:

This action targets a different technical need: A collection of EC2 workers shares POSIX files and needs common file semantics while scaling workers separately. It does not replace either required solution in A or B. EFS provides managed shared NFS file storage for distributed Linux clients; verify the two stated requirements independently rather than accepting an unrelated change.

C:

This action targets a different technical need: An organization has a COBOL mainframe workflow that requires staged modernization rather than a blind VM copy. It does not replace either required solution in A or B. Mainframe migrations need purpose-built assessment and conversion or replatform planning; verify the two stated requirements independently rather than accepting an unrelated change.

Question 672

An architecture review recommends this solution: Extract suitable endpoints to API Gateway and Lambda with explicit authentication, throttling and timeout controls. The motivating situation is: An internal monolithic API has independently scalable request handlers and low idle traffic. Which principle would a reviewer use to defend this design?

  1. Fargate can run supported ECS container tasks without customer-managed worker hosts
  2. A shared governed object-storage lake decouples data retention from individual processing engines
  3. Managed scheduling can invoke short-lived compute without operating a permanent cron host
  4. Serverless APIs can separate scaling from continuously provisioned application servers

Explanation

Correct Answer

D:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Extract suitable endpoints to API Gateway and Lambda with explicit authentication, throttling and timeout controls. The expected supporting evidence is: Isolated handlers scale according to request demand and meet p95 latency and authorization targets.

Incorrect Answers

A:

Dedicated EC2 servers remain the scaling bottleneck for stateless containerized workloads. The stated evidence instead indicates: Always-on monolith capacity is required merely to handle infrequent independent endpoints.

B:

All analytics jobs depend on a single custom ETL server and its directly attached storage. The stated evidence instead indicates: Always-on monolith capacity is required merely to handle infrequent independent endpoints.

C:

The only purpose of a 24/7 server is occasional timer-based work. The stated evidence instead indicates: Always-on monolith capacity is required merely to handle infrequent independent endpoints.

Question 673

A deployed environment still does not meet the original requirement: Network administrators must manage a shared subnet centrally while application accounts place their own resources in it. Which failure mechanism should the team correct?

  1. Overlapping network prefixes make ordinary VPC peering route selection ambiguous
  2. Separate VPC copies and peering links were created instead of sharing centrally governed subnets
  3. All accounts share one indiscriminate service-control policy despite different risk profiles
  4. Local Config assessments exist but no aggregation exposes cross-account status

Explanation

Correct Answer

B:

This is the technical design error aligned with the unmet requirement. VPC sharing separates network ownership from application resource ownership. The appropriate correction is: Enable VPC subnet sharing through AWS RAM for eligible accounts in the same organization. The control should then be tested by verifying that Participant-owned permitted resources deploy into the shared subnet while networking account retains network ownership.

Incorrect Answers

A:

Overlapping network prefixes make ordinary VPC peering route selection ambiguous. The stated evidence instead indicates: Separate VPC copies and peering links were created instead of sharing centrally governed subnets.

C:

All accounts share one indiscriminate service-control policy despite different risk profiles. The stated evidence instead indicates: Separate VPC copies and peering links were created instead of sharing centrally governed subnets.

D:

Local Config assessments exist but no aggregation exposes cross-account status. The stated evidence instead indicates: Separate VPC copies and peering links were created instead of sharing centrally governed subnets.

Question 674

A deployed environment still does not meet the original requirement: A worldwide public application targets near-zero regional failover time and already tolerates multi-Region data conflict semantics. What explains why the stated requirement was not met?

  1. The disaster-recovery Region has no local image copy and the deployment assumes remote registry availability
  2. Backup administrators can freely delete critical recovery points despite required immutability
  3. A single active Region was incorrectly advertised as having near-zero recovery time
  4. A backup exists but no restore procedure or measured restore duration has been proven

Explanation

Correct Answer

C:

This is the technical design error aligned with the unmet requirement. Active-active architectures provide immediate regional capacity but require safe multi-Region data behavior. The appropriate correction is: Use an appropriately designed active-active multi-Region architecture with global routing and compatible data replication. The control should then be tested by verifying that Failure of one Region does not interrupt healthy remaining regional capacity under synthetic load.

Incorrect Answers

A:

The disaster-recovery Region has no local image copy and the deployment assumes remote registry availability. The stated evidence instead indicates: A single active Region was incorrectly advertised as having near-zero recovery time.

B:

Backup administrators can freely delete critical recovery points despite required immutability. The stated evidence instead indicates: A single active Region was incorrectly advertised as having near-zero recovery time.

D:

A backup exists but no restore procedure or measured restore duration has been proven. The stated evidence instead indicates: A single active Region was incorrectly advertised as having near-zero recovery time.

Question 675

An architecture review recommends this solution: Use CloudFormation StackSets with the appropriate organization deployment permissions and guarded account or OU targeting. The motivating situation is: A platform team deploys the same baseline IAM roles and configuration stacks into 70 governed member accounts. Which technical principle most strongly justifies this recommendation?

  1. Blue-green deployment separates old and new environments to support safe traffic shifting
  2. API Gateway throttle controls bound request rates but callers should handle 429 responses
  3. CloudFormation StackSets manages stack instances across accounts and Regions from a controlled template
  4. EC2 Image Builder automates reproducible image lifecycles with testing and distribution

Explanation

Correct Answer

C:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Use CloudFormation StackSets with the appropriate organization deployment permissions and guarded account or OU targeting. The expected supporting evidence is: A newly added target account receives the intended stack instances while an excluded OU does not.

Incorrect Answers

A:

In-place overwriting of every production instance removed the healthy comparison environment. The stated evidence instead indicates: Individual account stacks were created manually and drift from the approved baseline.

B:

Unbounded request bursts overload backends because no gateway rate protection is configured. The stated evidence instead indicates: Individual account stacks were created manually and drift from the approved baseline.

D:

Each team independently patches hand-built machine images without reproducible validation. The stated evidence instead indicates: Individual account stacks were created manually and drift from the approved baseline.

Question 676

An architecture review recommends this solution: Provision redundant Direct Connect connections and a Direct Connect gateway associated with appropriate transit or virtual private gateways. The motivating situation is: A headquarters requires a resilient private link to workloads in two Regions and must avoid routing all traffic over the public internet. Why does this approach fit the stated design constraints?

  1. Global Accelerator provides stable global anycast addresses and network-level endpoint health routing
  2. Independent Direct Connect circuits and correctly associated gateways improve hybrid-path resiliency
  3. Transit Gateway supplies centralized transitive VPC connectivity when attachment route tables and security policies are configured
  4. Compute Optimizer uses resource metrics and recommendations but must be checked against workload SLOs

Explanation

Correct Answer

B:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Provision redundant Direct Connect connections and a Direct Connect gateway associated with appropriate transit or virtual private gateways. The expected supporting evidence is: Both circuits carry permitted private routes, and a deliberate single-circuit outage retains connectivity.

Incorrect Answers

A:

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

C:

Separate point-to-point VPC peering connections lack transitive routing and are difficult to govern at scale. The stated evidence instead indicates: A single Direct Connect circuit creates a site-to-cloud connectivity single point of failure.

D:

Instances were resized from average CPU alone despite memory or traffic constraints. The stated evidence instead indicates: A single Direct Connect circuit creates a site-to-cloud connectivity single point of failure.

Question 677

A deployed environment still does not meet the original requirement: A DynamoDB application requires recovery from accidental writes to an earlier point within a month. What design flaw is the best match for the reported condition?

  1. In-place mass deployment removed rollback capacity before verifying the new version
  2. Shared costs are assigned by arbitrary percentage without service consumption evidence
  3. The application is exposed to one database host or zonal compute failure
  4. Standard short-lived backups cannot recover the exact chosen accidental-update point

Explanation

Correct Answer

D:

This is the technical design error aligned with the unmet requirement. DynamoDB PITR restores to a selected point within its available recovery window. The appropriate correction is: Enable and test DynamoDB point-in-time recovery for the table and recovery runbook. The control should then be tested by verifying that Restoring a suitable past timestamp creates a usable table with correct records.

Incorrect Answers

A:

In-place mass deployment removed rollback capacity before verifying the new version. The stated evidence instead indicates: Standard short-lived backups cannot recover the exact chosen accidental-update point.

B:

Shared costs are assigned by arbitrary percentage without service consumption evidence. The stated evidence instead indicates: Standard short-lived backups cannot recover the exact chosen accidental-update point.

C:

The application is exposed to one database host or zonal compute failure. The stated evidence instead indicates: Standard short-lived backups cannot recover the exact chosen accidental-update point.

Question 678

A professional architect is reviewing two independent workstreams. Requirement A: A proprietary virtual appliance cannot run on AWS-supported instance drivers without vendor modifications. Requirement B: A company must perform recurring secure file synchronization from on-premises NAS into Amazon S3 with minimal custom scripting. Choose TWO remedies that meet A and B respectively.

  1. Extract suitable endpoints to API Gateway and Lambda with explicit authentication, throttling and timeout controls
  2. Assess schema, procedural conversion complexity and application query compatibility using suitable database migration assessment tools
  3. Use AWS Schema Conversion Tool or appropriate supported schema conversion assessment, then AWS DMS for data
  4. Validate platform, hypervisor and kernel compatibility before committing to a target deployment
  5. Use AWS DataSync agents and tasks with scheduling and integrity validation

Explanation

Correct Answers

D:

This action meets the independently stated requirement A: A proprietary virtual appliance cannot run on AWS-supported instance drivers without vendor modifications. Platform migration viability depends on software support and hardware or driver compatibility. A direct acceptance check is: Vendor-certified testing proves that the appliance runs on the selected target or requires retain/replace decision.

E:

This action meets the independently stated requirement B: A company must perform recurring secure file synchronization from on-premises NAS into Amazon S3 with minimal custom scripting. AWS DataSync automates supported file and object movement with verification features. A direct acceptance check is: Eligible file changes are transferred and verified by a scheduled DataSync task.

Incorrect Answers

A:

This action targets a different technical need: An internal monolithic API has independently scalable request handlers and low idle traffic. It does not replace either required solution in A or B. Serverless APIs can separate scaling from continuously provisioned application servers; verify the two stated requirements independently rather than accepting an unrelated change.

B:

This action targets a different technical need: A custom Oracle application uses database-specific stored procedures and must move to an open-source engine. It does not replace either required solution in A or B. Heterogeneous migrations require schema and code compatibility assessment, not only row transfer; verify the two stated requirements independently rather than accepting an unrelated change.

C:

This action targets a different technical need: A SQL Server estate must migrate to Amazon Aurora PostgreSQL despite vendor-specific T-SQL constructs. It does not replace either required solution in A or B. Heterogeneous database migrations require explicit schema and application compatibility work; verify the two stated requirements independently rather than accepting an unrelated change.

Question 679

An enterprise architecture team faces this design requirement: Legal and nonproduction workloads require different organizational guardrails but must share central billing. Which action would resolve the problem without adding unrelated capabilities?

  1. Use AWS Organizations backup policies with verified account opt-in, vaults and access controls
  2. Use distinct AWS Organizations organizational units and apply targeted service control policies per OU
  3. Configure a Config aggregator with organization or account sources and appropriate delegated read access
  4. Use Compute Optimizer and validate monitoring data before right-sizing eligible instances

Explanation

Correct Answer

B:

Organizational units help assign governance boundaries to related member accounts. The required architecture outcome is: Legal and nonproduction workloads require different organizational guardrails but must share central billing. Validate this choice by checking that Production account requests are governed by the intended production policy and sandbox accounts by their own boundaries.

Incorrect Answers

A:

Individual accounts use drifting custom schedules that do not match central backup policy. The specific problem here is that all accounts share one indiscriminate service-control policy despite different risk profiles.

C:

Local Config assessments exist but no aggregation exposes cross-account status. The specific problem here is that all accounts share one indiscriminate service-control policy despite different risk profiles.

D:

Instances were resized from average CPU alone despite memory or traffic constraints. The specific problem here is that all accounts share one indiscriminate service-control policy despite different risk profiles.

Question 680

An enterprise architecture team faces this design requirement: Several accounts have steady EC2 and Fargate spend and need a commitment that applies to qualifying compute usage flexibly. What should the solutions architect recommend?

  1. Export AWS Cost and Usage Reports to S3 and query them with Athena or a billing data analysis workflow
  2. Analyze commitments then purchase an appropriate Compute Savings Plan based on supported usage coverage
  3. Use AWS Cost Optimization Hub with supported account enrollment and recommendation aggregation
  4. Expose the provider through an endpoint service behind a Network Load Balancer and create consumer interface VPC endpoints

Explanation

Correct Answer

B:

Compute Savings Plans apply eligible usage discounts across supported services and configurations. The required architecture outcome is: Several accounts have steady EC2 and Fargate spend and need a commitment that applies to qualifying compute usage flexibly. Validate this choice by checking that Eligible compute charges reflect the planned commitment discount and remaining coverage is visible.

Incorrect Answers

A:

Summary monthly bills lack the resource-level usage detail needed for chargeback. The specific problem here is that on-demand usage was left wholly uncommitted despite predictable baseline compute consumption.

C:

Savings recommendations exist in separate consoles and are double counted in spreadsheets. The specific problem here is that on-demand usage was left wholly uncommitted despite predictable baseline compute consumption.

D:

A broad VPC peering link was used where a service-scoped private access path was needed. The specific problem here is that on-demand usage was left wholly uncommitted despite predictable baseline compute consumption.