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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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AWS Certified Solutions Architect - Professional SAP-C02 Practice Tests

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Amazon AWS Certified Solutions Architect - Professional SAP-C02 Practice Test 1

Question 1

For the enterprise requirement "A legacy application has a few-hour RTO but cannot justify running the complete secondary stack continuously", the team implemented this change: Maintain a pilot-light copy of the essential data and core services and automate remaining capacity restoration. Which observation should be required before the change is approved?

  1. A drill scales the secondary stack from its minimal footprint within the agreed RTO
  2. Read replica lag is measured and promotion produces a usable independent writer during a DR drill
  3. An unauthorized attempt to delete a protected recovery point is denied before retention expires
  4. The released image digest is present in each target Region before workloads attempt recovery

Explanation

Correct Answer

A:

This measures the behavior required by the specific solution, rather than simply checking that it was configured. Pilot light retains critical replicated services while reconstructing additional capacity during recovery. The acceptance condition is linked directly to the scenario: A legacy application has a few-hour RTO but cannot justify running the complete secondary stack continuously.

Incorrect Answers

B:

Read replica lag is measured and promotion produces a usable independent writer during a DR drill. However, this does not establish the required outcome: a drill scales the secondary stack from its minimal footprint within the agreed RTO.

C:

An unauthorized attempt to delete a protected recovery point is denied before retention expires. However, this does not establish the required outcome: a drill scales the secondary stack from its minimal footprint within the agreed RTO.

D:

The released image digest is present in each target Region before workloads attempt recovery. However, this does not establish the required outcome: a drill scales the secondary stack from its minimal footprint within the agreed RTO.

Question 2

An enterprise architecture team faces this design requirement: Regulators require consistent detection and correction of publicly accessible S3 buckets across a multi-account organization. Which architecture decision best meets that precise requirement?

  1. Deploy organization-managed AWS Config rules and targeted auto-remediation through approved Systems Manager Automation
  2. Use organization-wide CloudTrail and central log storage with restrictive bucket access and retention controls
  3. Use AWS Private CA to issue private certificates with a managed trust chain and documented renewal
  4. Apply a targeted Organizations service control policy denying prohibited CloudTrail disablement actions in affected OUs

Explanation

Correct Answer

A:

Organization-level Config rules continuously evaluate configuration and can launch controlled remediations. The required architecture outcome is: Regulators require consistent detection and correction of publicly accessible S3 buckets across a multi-account organization. Validate this choice by checking that A noncompliant test bucket is flagged and the remediation removes its unauthorized public exposure.

Incorrect Answers

B:

Local activity trails are not consolidated into the audit security boundary. The specific problem here is that per-account one-off inspections do not continuously evaluate drift across accounts.

C:

Public ACM-issued certificates were wrongly assumed to provide a corporate private CA chain. The specific problem here is that per-account one-off inspections do not continuously evaluate drift across accounts.

D:

Local identity permissions were incorrectly treated as overriding organizational guardrails. The specific problem here is that per-account one-off inspections do not continuously evaluate drift across accounts.

Question 3

A deployed environment still does not meet the original requirement: A legacy data center lacks a trustworthy inventory of server CPU, memory, installed processes and network connections. What design flaw is the best match for the reported condition?

  1. Source virtualization format was mistaken for a guarantee of target runtime compatibility
  2. Migration estimates are based solely on outdated procurement records rather than measured workload behavior
  3. Mainframe batch and transaction semantics were treated as if they were ordinary Linux workloads
  4. Database engine migration was assumed to be a simple homogeneous replication job

Explanation

Correct Answer

B:

This is the technical design error aligned with the unmet requirement. Application discovery captures real workload characteristics needed for migration planning. The appropriate correction is: Use AWS Transform discovery and assessment, or a supported inventory tool, to measure server characteristics and network dependency data. The control should then be tested by verifying that Captured workload attributes reveal which servers can be rehosted together and which need further assessment.

Incorrect Answers

A:

Source virtualization format was mistaken for a guarantee of target runtime compatibility. The stated evidence instead indicates: Migration estimates are based solely on outdated procurement records rather than measured workload behavior.

C:

Mainframe batch and transaction semantics were treated as if they were ordinary Linux workloads. The stated evidence instead indicates: Migration estimates are based solely on outdated procurement records rather than measured workload behavior.

D:

Database engine migration was assumed to be a simple homogeneous replication job. The stated evidence instead indicates: Migration estimates are based solely on outdated procurement records rather than measured workload behavior.

Question 4

An architecture review recommends this solution: Design a warm-standby secondary Region with continuously updated state and reduced steady-state capacity. The motivating situation is: A transaction platform must recover within minutes but budget constraints prohibit active-active processing in both Regions. Which consideration makes this solution preferable to the original approach?

  1. Queue-driven scaling aligns paid worker capacity with outstanding workload
  2. Backup Vault Lock compliance controls can enforce retained recovery-point immutability
  3. Warm standby keeps a functional smaller recovery environment ready for rapid scaling
  4. Active-active architectures provide immediate regional capacity but require safe multi-Region data behavior

Explanation

Correct Answer

C:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Design a warm-standby secondary Region with continuously updated state and reduced steady-state capacity. The expected supporting evidence is: A regional drill scales warm standby to full capacity within the stated recovery time and data tolerance.

Incorrect Answers

A:

Static worker capacity ignores observable demand while processing latency varies. The stated evidence instead indicates: Backup-only DR cannot restart the platform quickly enough for the required minutes-long RTO.

B:

Backup administrators can freely delete critical recovery points despite required immutability. The stated evidence instead indicates: Backup-only DR cannot restart the platform quickly enough for the required minutes-long RTO.

D:

A single active Region was incorrectly advertised as having near-zero recovery time. The stated evidence instead indicates: Backup-only DR cannot restart the platform quickly enough for the required minutes-long RTO.

Question 5

An enterprise architecture team faces this design requirement: The security team manages GuardDuty separately in 50 accounts and misses newly created member accounts. Which proposed change addresses the stated constraint most directly?

  1. Add AWS Config evaluation for the risky security-group condition with controlled notification and remediation
  2. Aggregate CloudTrail management events with appropriately protected central storage and searchable event records
  3. Configure organization-wide GuardDuty administration with supported automatic enrollment and region strategy
  4. Use S3 Storage Lens or inventory analytics and implement targeted lifecycle cleanup rules

Explanation

Correct Answer

C:

Central GuardDuty administration supports ongoing multi-account detection enrollment. The required architecture outcome is: The security team manages GuardDuty separately in 50 accounts and misses newly created member accounts. Validate this choice by checking that Existing and new participating accounts report eligible findings to the delegated administrator.

Incorrect Answers

A:

Static security policy documents are not technically enforced against resource drift. The specific problem here is that threat detection remains inconsistently deployed across member accounts and Regions.

B:

CloudTrail management events are not retained or centrally available for review. The specific problem here is that threat detection remains inconsistently deployed across member accounts and Regions.

D:

Dormant storage versions and partial uploads accumulate without inventory or lifecycle governance. The specific problem here is that threat detection remains inconsistently deployed across member accounts and Regions.

Question 6

A deployed environment still does not meet the original requirement: Operations retains detached EBS volumes after instance termination and pays for unused storage for months. What design flaw is the best match for the reported condition?

  1. Shared costs are assigned by arbitrary percentage without service consumption evidence
  2. Patch application is manual and lacks consistent baseline selection and change evidence
  3. Potential savings from the same infrastructure change are double counted in separate reports
  4. Unattached volumes are treated as free merely because they are not mounted

Explanation

Correct Answer

D:

This is the technical design error aligned with the unmet requirement. EBS storage billing continues for allocated volumes until they are deleted or otherwise changed. The appropriate correction is: Inventory unattached EBS volumes and delete or archive approved volumes after snapshot and ownership checks. The control should then be tested by verifying that Approved orphaned volumes stop generating storage costs while protected volumes remain recoverable.

Incorrect Answers

A:

Shared costs are assigned by arbitrary percentage without service consumption evidence. The stated evidence instead indicates: Unattached volumes are treated as free merely because they are not mounted.

B:

Patch application is manual and lacks consistent baseline selection and change evidence. The stated evidence instead indicates: Unattached volumes are treated as free merely because they are not mounted.

C:

Potential savings from the same infrastructure change are double counted in separate reports. The stated evidence instead indicates: Unattached volumes are treated as free merely because they are not mounted.

Question 7

A deployed environment still does not meet the original requirement: A department must be notified promptly when monthly spending exceeds its threshold. Which failure mechanism should the team correct?

  1. Each application team is provisioning its own disconnected backbone gateway
  2. The team relies exclusively on retrospective end-of-month billing statements
  3. Resource tags were never activated as billing cost allocation dimensions
  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. AWS Budgets supports spend targets and notifications on actual or forecasted cost. The appropriate correction is: Create an AWS Budget with defined threshold notification recipients and appropriate budget filters. The control should then be tested by verifying that A controlled threshold breach yields the expected forecast or actual spend notification.

Incorrect Answers

A:

Each application team is provisioning its own disconnected backbone gateway. The stated evidence instead indicates: The team relies exclusively on retrospective end-of-month billing statements.

C:

Resource tags were never activated as billing cost allocation dimensions. The stated evidence instead indicates: The team relies exclusively on retrospective end-of-month billing statements.

D:

Teams have only aggregate bills and cannot locate the source of inefficient storage usage. The stated evidence instead indicates: The team relies exclusively on retrospective end-of-month billing statements.

Question 8

A professional architect is reviewing two independent workstreams. Requirement A: An Aurora-backed API has too many queries on the writer and wants to distribute read-only reporting traffic. Requirement B: A product catalog on DynamoDB receives many repeated eventually consistent key lookups and requires microsecond cache responses. Which TWO controls should be used together for these separate scenarios?

  1. Configure Route 53 failover routing with suitable health checks and a tested secondary target
  2. Introduce DynamoDB DAX for supported cacheable read paths and check data freshness requirements
  3. Send eligible reads through the Aurora reader endpoint and provision suitable replica capacity
  4. Evaluate Compute Savings Plans at a supported commitment level for the stable baseline
  5. Configure CloudFront caching with appropriate TTL, cache keys and regional origin controls

Explanation

Correct Answers

B:

This action meets the independently stated requirement B: A product catalog on DynamoDB receives many repeated eventually consistent key lookups and requires microsecond cache responses. DAX offers managed in-memory caching for eligible DynamoDB read workloads. A direct acceptance check is: The repeated key lookup hits DAX with lower latency while noncacheable paths use the underlying table.

C:

This action meets the independently stated requirement A: An Aurora-backed API has too many queries on the writer and wants to distribute read-only reporting traffic. Aurora reader endpoints balance connections to read replicas for read workloads. A direct acceptance check is: Read latency and writer CPU improve under reporting load without routing writes to read replicas.

Incorrect Answers

A:

This action targets a different technical need: A public application must divert DNS traffic away from an endpoint when health checks show it has failed. It does not replace either required solution in A or B. DNS failover requires health-aware routing and realistic expectations for cached answers; verify the two stated requirements independently rather than accepting an unrelated change.

D:

This action targets a different technical need: A steady service has predictable cross-family compute usage and seeks discounts without binding to one EC2 instance family. It does not replace either required solution in A or B. Compute Savings Plans discount eligible compute spending with an hourly commitment; verify the two stated requirements independently rather than accepting an unrelated change.

E:

This action targets a different technical need: A global static web application experiences high latency because users repeatedly fetch unchanged assets from one Region. It does not replace either required solution in A or B. CloudFront edge caching reduces origin fetches for cacheable content; verify the two stated requirements independently rather than accepting an unrelated change.

Question 9

An enterprise architecture team faces this design requirement: Several member accounts buy overlapping Reserved Instances, yet unused reservations remain in the organization. Which architecture decision best meets that precise requirement?

  1. Analyze transfer usage in CUR and network metrics; redesign unnecessary cross-AZ chatty application flows
  2. Review RI utilization, supported reservation sharing and regional family coverage before buying more
  3. Enable detailed Cost and Usage Reports with cost categories or properly activated allocation tags
  4. Correct target group health checks and deployment deregistration timing based on actual readiness semantics

Explanation

Correct Answer

B:

RI coverage should be evaluated at consolidated billing scope where sharing is enabled. The required architecture outcome is: Several member accounts buy overlapping Reserved Instances, yet unused reservations remain in the organization. Validate this choice by checking that Discount usage improves with fewer unused reservation hours and measured baseline cost changes.

Incorrect Answers

A:

Workload service calls repeatedly cross paid network boundaries without quantified need. The specific problem here is that teams purchase more RIs independently without measuring existing shared coverage.

C:

Shared costs are assigned by arbitrary percentage without service consumption evidence. The specific problem here is that teams purchase more RIs independently without measuring existing shared coverage.

D:

Health checks use an unrelated always-200 endpoint that does not reflect the service readiness. The specific problem here is that teams purchase more RIs independently without measuring existing shared coverage.

Question 10

For the enterprise requirement "A shared S3 data lake gives two analytics teams unnecessarily broad bucket access", the team implemented this change: Use S3 Access Points or carefully scoped bucket policies to isolate each team's required object prefixes. Which evidence confirms the intended behavior under test?

  1. Team A reads only its permitted dataset and an attempt to fetch team B's restricted dataset is rejected
  2. Cross-account access findings identify external principals and clear only when permissions are corrected
  3. Pending tasks become schedulable and p95 latency improves without wasting an additional empty cluster
  4. Existing and new participating accounts report eligible findings to the delegated administrator

Explanation

Correct Answer

A:

This measures the behavior required by the specific solution, rather than simply checking that it was configured. S3 Access Points can support distinct access policies for shared buckets. The acceptance condition is linked directly to the scenario: A shared S3 data lake gives two analytics teams unnecessarily broad bucket access.

Incorrect Answers

B:

Cross-account access findings identify external principals and clear only when permissions are corrected. However, this does not establish the required outcome: team A reads only its permitted dataset and an attempt to fetch team B's restricted dataset is rejected.

C:

Pending tasks become schedulable and p95 latency improves without wasting an additional empty cluster. However, this does not establish the required outcome: team A reads only its permitted dataset and an attempt to fetch team B's restricted dataset is rejected.

D:

Existing and new participating accounts report eligible findings to the delegated administrator. However, this does not establish the required outcome: team A reads only its permitted dataset and an attempt to fetch team B's restricted dataset is rejected.