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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 84

Question 830

A professional architect is reviewing two independent workstreams. Requirement A: A startup expects to grow from five accounts to 100 and needs baseline account vending and preventive guardrails. Requirement B: Finance needs engineering costs apportioned by team using tags rather than guessed from account totals. Which TWO architecture changes cover both acceptance criteria?

  1. Share the eligible Transit Gateway using AWS Resource Access Manager and explicit attachment routing permissions
  2. Deploy an AWS Control Tower landing zone and Account Factory-based governance with planned organizational units
  3. Introduce a centrally managed translation or proxy layer with nonoverlapping service endpoints rather than directly peering overlapping networks
  4. Analyze commitments then purchase an appropriate Compute Savings Plan based on supported usage coverage
  5. Activate standardized cost allocation tags and enforce tagging through governance processes

Explanation

Correct Answers

B:

This action meets the independently stated requirement A: A startup expects to grow from five accounts to 100 and needs baseline account vending and preventive guardrails. AWS Control Tower provides managed landing-zone governance and standardized account provisioning. A direct acceptance check is: New vended accounts inherit required landing-zone logging, identity and governance baselines.

E:

This action meets the independently stated requirement B: Finance needs engineering costs apportioned by team using tags rather than guessed from account totals. Cost allocation tags must be activated before they appear in billing cost analytics. A direct acceptance check is: Cost and Usage Reports or Cost Explorer show tagged team spend after activation and reporting delay.

Incorrect Answers

A:

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.

C:

This action targets a different technical need: Two acquired subsidiaries have overlapping RFC1918 VPC CIDRs but must exchange traffic with a shared integration endpoint. It does not replace either required solution in A or B. Overlapping address spaces require translation or service-level isolation rather than simple routed peering; verify the two stated requirements independently rather than accepting an unrelated change.

D:

This action targets a different technical need: Several accounts have steady EC2 and Fargate spend and need a commitment that applies to qualifying compute usage flexibly. It does not replace either required solution in A or B. Compute Savings Plans apply eligible usage discounts across supported services and configurations; verify the two stated requirements independently rather than accepting an unrelated change.

Question 831

For the enterprise requirement "An AWS Enterprise Support research customer needs to migrate tens of terabytes from a remote site with unreliable network links and can bring storage to a nearby AWS transfer facility", the team implemented this change: Reserve an AWS Data Transfer Terminal session and bring compatible encrypted storage to upload through its high-bandwidth AWS connection. What should operations verify instead of relying on configuration alone?

  1. Orders complete independently of notification delays, while consumers process retries and duplicate deliveries safely
  2. The Enterprise Support team uploads the approved data during its reserved session and matches end-to-end source and destination checksums
  3. New EKS pods pass readiness and regression tests before a controlled traffic cutover
  4. Eligible file changes are transferred and verified by a scheduled DataSync task

Explanation

Correct Answer

B:

This measures the behavior required by the specific solution, rather than simply checking that it was configured. AWS Data Transfer Terminal allows eligible Enterprise Support customers to bring storage to an AWS transfer site; AWS Snowball Edge is no longer available to new customers. The acceptance condition is linked directly to the scenario: An AWS Enterprise Support research customer needs to migrate tens of terabytes from a remote site with unreliable network links and can bring storage to a nearby AWS transfer facility.

Incorrect Answers

A:

Orders complete independently of notification delays, while consumers process retries and duplicate deliveries safely. However, this does not establish the required outcome: the Enterprise Support team uploads the approved data during its reserved session and matches end-to-end source and destination checksums.

C:

New EKS pods pass readiness and regression tests before a controlled traffic cutover. However, this does not establish the required outcome: the Enterprise Support team uploads the approved data during its reserved session and matches end-to-end source and destination checksums.

D:

Eligible file changes are transferred and verified by a scheduled DataSync task. However, this does not establish the required outcome: the Enterprise Support team uploads the approved data during its reserved session and matches end-to-end source and destination checksums.

Question 832

An enterprise architecture team faces this design requirement: An operations team must roll out the same hardened EC2 AMI to many accounts with recorded patch and test history. Which option best aligns with the business and technical requirement?

  1. Use EC2 Image Builder pipelines for controlled image build, testing and account or Region distribution
  2. Add pipeline quality gates and explicit approval conditions prior to production deployment
  3. Publish a Lambda version and configure weighted alias routing with deployment alarms
  4. Maintain a pilot-light copy of the essential data and core services and automate remaining capacity restoration

Explanation

Correct Answer

A:

EC2 Image Builder automates reproducible image lifecycles with testing and distribution. The required architecture outcome is: An operations team must roll out the same hardened EC2 AMI to many accounts with recorded patch and test history. Validate this choice by checking that The resulting image has verified packages, a traceable version and permitted availability in target accounts.

Incorrect Answers

B:

A successful compilation is treated as proof that the release is safe and functional. The specific problem here is that each team independently patches hand-built machine images without reproducible validation.

C:

The function's unqualified ARN always invokes latest code for all users, bypassing version routing. The specific problem here is that each team independently patches hand-built machine images without reproducible validation.

D:

Every component must be rebuilt from scratch after failure, despite a tighter RTO. The specific problem here is that each team independently patches hand-built machine images without reproducible validation.

Question 833

An architecture review recommends this solution: Use organization-wide CloudTrail and central log storage with restrictive bucket access and retention controls. The motivating situation is: A central audit account needs immutable delivery of logs from all workload accounts and Regions. Which technical principle most strongly justifies this recommendation?

  1. Cross-account KMS use requires authorization from the key-owning account and the requesting principal
  2. AWS RAM can share supported resources while ownership remains in a central account
  3. An organization trail and protected storage form a centralized account-wide auditing design
  4. Organization backup policies support common baseline definitions but still require functioning target configuration

Explanation

Correct Answer

C:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Use organization-wide CloudTrail and central log storage with restrictive bucket access and retention controls. The expected supporting evidence is: A new workload account's API activity appears in the central log bucket and member administrators cannot erase it.

Incorrect Answers

A:

The remote principal has S3 object access but lacks required key-policy and IAM decrypt permission. The stated evidence instead indicates: Local activity trails are not consolidated into the audit security boundary.

B:

Each application team is provisioning its own disconnected backbone gateway. The stated evidence instead indicates: Local activity trails are not consolidated into the audit security boundary.

D:

Individual accounts use drifting custom schedules that do not match central backup policy. The stated evidence instead indicates: Local activity trails are not consolidated into the audit security boundary.

Question 834

An architecture review recommends this solution: Expose the provider through an endpoint service behind a Network Load Balancer and create consumer interface VPC endpoints. The motivating situation is: Many workload VPCs need access to a privately published service without opening routing to the provider's whole VPC. What principle supports the selected implementation?

  1. Durable queues decouple intake availability from downstream processing failures
  2. AWS PrivateLink exposes a selected service to consumers without full network-to-network reachability
  3. Independent Direct Connect circuits and correctly associated gateways improve hybrid-path resiliency
  4. Stateful network inspection requires symmetric paths through the selected inspection appliance

Explanation

Correct Answer

B:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Expose the provider through an endpoint service behind a Network Load Balancer and create consumer interface VPC endpoints. The expected supporting evidence is: Consumer instances reach only the approved PrivateLink service while unrelated provider subnets remain unreachable.

Incorrect Answers

A:

Synchronous request-to-database coupling loses or rejects work whenever the database is unavailable. The stated evidence instead indicates: A broad VPC peering link was used where a service-scoped private access path was needed.

C:

A single Direct Connect circuit creates a site-to-cloud connectivity single point of failure. The stated evidence instead indicates: A broad VPC peering link was used where a service-scoped private access path was needed.

D:

The inspection design allows forward and return packets to use different stateful inspection appliances. The stated evidence instead indicates: A broad VPC peering link was used where a service-scoped private access path was needed.

Question 835

A deployed environment still does not meet the original requirement: Capacity planners need a monthly cost forecast that reflects a new Region and expected usage growth before deployment. What was most likely overlooked in the original design?

  1. Every backup copy resides in the same administration boundary as the threatened workloads
  2. Previous-month charges were presented as accurate forecasts for an expanded future footprint
  3. Savings recommendations exist in separate consoles and are double counted in spreadsheets
  4. Teams have only aggregate bills and cannot locate the source of inefficient storage usage

Explanation

Correct Answer

B:

This is the technical design error aligned with the unmet requirement. Architecture forecasts require explicit usage assumptions rather than extrapolation without design changes. The appropriate correction is: Model expected service usage in AWS Pricing Calculator and compare results against historical billing trends. The control should then be tested by verifying that Proposed architecture cost estimates can be traced to entered quantities and forecast assumptions.

Incorrect Answers

A:

Every backup copy resides in the same administration boundary as the threatened workloads. The stated evidence instead indicates: Previous-month charges were presented as accurate forecasts for an expanded future footprint.

C:

Savings recommendations exist in separate consoles and are double counted in spreadsheets. The stated evidence instead indicates: Previous-month charges were presented as accurate forecasts for an expanded future footprint.

D:

Teams have only aggregate bills and cannot locate the source of inefficient storage usage. The stated evidence instead indicates: Previous-month charges were presented as accurate forecasts for an expanded future footprint.

Question 836

An architecture review recommends this solution: Pair an AWS Config detection rule with controlled Systems Manager Automation remediation and change safeguards. The motivating situation is: An S3 bucket is repeatedly made public and security wants prompt correction beyond simply generating findings. What principle supports the selected implementation?

  1. Systems Manager supports fleet patching with centralized baselines and maintenance windows
  2. Config rules can invoke automations for selected remediable configuration noncompliance
  3. Meaningful dashboards align telemetry with system service boundaries and indicators
  4. Placement and traffic pattern matter to data transfer costs as much as raw compute prices

Explanation

Correct Answer

B:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Pair an AWS Config detection rule with controlled Systems Manager Automation remediation and change safeguards. The expected supporting evidence is: A deliberately noncompliant bucket triggers the configured corrective control and audit records.

Incorrect Answers

A:

Patch application is manual and lacks consistent baseline selection and change evidence. The stated evidence instead indicates: Config findings are left as unactioned notifications while risky drift remains exposed.

C:

Metrics and logs are not organized into actionable per-service operational signals. The stated evidence instead indicates: Config findings are left as unactioned notifications while risky drift remains exposed.

D:

Workload service calls repeatedly cross paid network boundaries without quantified need. The stated evidence instead indicates: Config findings are left as unactioned notifications while risky drift remains exposed.

Question 837

An enterprise architecture team faces this design requirement: A multinational website repeatedly serves cacheable large assets and incurs high origin data-transfer and request charges. Which option best aligns with the business and technical requirement?

  1. Evaluate Compute Savings Plans at a supported commitment level for the stable baseline
  2. Tune CloudFront cache policies and origin behavior to increase cache hits while honoring freshness limits
  3. Add an S3 gateway VPC endpoint and route supported S3 traffic privately rather than through NAT
  4. Deploy a supported RDS Multi-AZ configuration and verify connection retry and DNS handling

Explanation

Correct Answer

B:

Effective caching can reduce origin load and transfer cost for eligible content. The required architecture outcome is: A multinational website repeatedly serves cacheable large assets and incurs high origin data-transfer and request charges. Validate this choice by checking that Origin request count and cacheable transferred bytes fall without serving stale protected content.

Incorrect Answers

A:

Stable compute baseline is paid at on-demand rates without analyzed commitments. The specific problem here is that the CDN forwards every request to origin due to ineffective cache keys or caching headers.

C:

S3 calls egress through NAT because no supported endpoint route was configured. The specific problem here is that the CDN forwards every request to origin due to ineffective cache keys or caching headers.

D:

Single-AZ database storage and compute are a single zonal failure domain. The specific problem here is that the CDN forwards every request to origin due to ineffective cache keys or caching headers.

Question 838

A professional architect is reviewing two independent workstreams. Requirement A: An EKS service experiences 503 errors during rolling updates because pods accept traffic before dependencies initialize. Requirement B: Operations retains detached EBS volumes after instance termination and pays for unused storage for months. Which TWO architecture changes cover both acceptance criteria?

  1. Inventory unattached EBS volumes and delete or archive approved volumes after snapshot and ownership checks
  2. Review capacity provider strategy, instance-type resources and task placement requirements
  3. Correct target group health checks and deployment deregistration timing based on actual readiness semantics
  4. Configure readiness probes, deployment surge policy and graceful termination semantics
  5. Enable detailed Cost and Usage Reports with cost categories or properly activated allocation tags

Explanation

Correct Answers

A:

This action meets the independently stated requirement B: Operations retains detached EBS volumes after instance termination and pays for unused storage for months. EBS storage billing continues for allocated volumes until they are deleted or otherwise changed. A direct acceptance check is: Approved orphaned volumes stop generating storage costs while protected volumes remain recoverable.

D:

This action meets the independently stated requirement A: An EKS service experiences 503 errors during rolling updates because pods accept traffic before dependencies initialize. Readiness and graceful termination controls reduce errors during normal rolling changes. A direct acceptance check is: Load tests show traffic reaches only ready pods and terminating pods finish work before deletion.

Incorrect Answers

B:

This action targets a different technical need: An ECS cluster has enough total CPU but tasks stay pending due to unsuitable placement and capacity provider configuration. It does not replace either required solution in A or B. ECS placement depends on available per-host resources and declared capacity-provider strategy; verify the two stated requirements independently rather than accepting an unrelated change.

C:

This action targets a different technical need: An Application Load Balancer intermittently forwards traffic to unhealthy containers after their readiness endpoint fails. It does not replace either required solution in A or B. Load balancer health checks must match actual application readiness rather than superficial liveness; verify the two stated requirements independently rather than accepting an unrelated change.

E:

This action targets a different technical need: A platform service incurs shared transfer charges that cannot be assigned to consuming product teams. It does not replace either required solution in A or B. CUR data and explicit allocation logic improve auditable cost attribution; verify the two stated requirements independently rather than accepting an unrelated change.

Question 839

For the enterprise requirement "Financial backups must survive destruction of the primary application account by a compromised administrator", the team implemented this change: Use AWS Backup cross-account copies into a protected backup account with isolated restore permissions. Which test result proves this architecture satisfies its stated constraint?

  1. Backups remain recoverable from the dedicated account even when the application account is disabled
  2. A client trusts the correct private CA chain and rejects a certificate issued outside that trust
  3. Writes in either Region replicate to the other and conflict handling matches the business design
  4. Draining all nodes in one zone still leaves enough healthy replicas serving traffic from others

Explanation

Correct Answer

A:

This measures the behavior required by the specific solution, rather than simply checking that it was configured. Cross-account backup isolation reduces the effect of compromise of an application account. The acceptance condition is linked directly to the scenario: Financial backups must survive destruction of the primary application account by a compromised administrator.

Incorrect Answers

B:

A client trusts the correct private CA chain and rejects a certificate issued outside that trust. However, this does not establish the required outcome: backups remain recoverable from the dedicated account even when the application account is disabled.

C:

Writes in either Region replicate to the other and conflict handling matches the business design. However, this does not establish the required outcome: backups remain recoverable from the dedicated account even when the application account is disabled.

D:

Draining all nodes in one zone still leaves enough healthy replicas serving traffic from others. However, this does not establish the required outcome: backups remain recoverable from the dedicated account even when the application account is disabled.

Question 840

An architecture review recommends this solution: Select an appropriate EBS gp3 volume with independently provisioned performance settings and test application throughput. The motivating situation is: An EC2 application needs sustained random IOPS independent of EBS volume storage-size growth. What principle supports the selected implementation?

  1. gp3 separates baseline volume storage size from configurable IOPS and throughput within limits
  2. DynamoDB throughput requires sufficient mode capacity and key-distribution design
  3. CloudFront Origin Shield can consolidate cache misses through an additional regional layer
  4. Load balancer health checks must match actual application readiness rather than superficial liveness

Explanation

Correct Answer

A:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Select an appropriate EBS gp3 volume with independently provisioned performance settings and test application throughput. The expected supporting evidence is: The volume reaches measured IOPS requirements without unnecessary capacity inflation.

Incorrect Answers

B:

Capacity planning ignores demand spikes or hot keys that concentrate requests. The stated evidence instead indicates: Gp2 capacity-linked performance assumptions lead to wasteful storage growth.

C:

Misses from different edge caches repeatedly burden the same origin. The stated evidence instead indicates: Gp2 capacity-linked performance assumptions lead to wasteful storage growth.

D:

Health checks use an unrelated always-200 endpoint that does not reflect the service readiness. The stated evidence instead indicates: Gp2 capacity-linked performance assumptions lead to wasteful storage growth.