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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 44

Question 430

For the enterprise requirement "A legacy data center lacks a trustworthy inventory of server CPU, memory, installed processes and network connections", the team implemented this change: Use AWS Transform discovery and assessment, or a supported inventory tool, to measure server characteristics and network dependency data. Which observation should be required before the change is approved?

  1. The proposed target design has documented permitted license use and tracked license utilization
  2. Captured workload attributes reveal which servers can be rehosted together and which need further assessment
  3. New capability traffic can be rolled back while untouched monolith endpoints remain functional
  4. Each workload has justified retire, retain, relocate, rehost, replatform, repurchase or refactor decision

Explanation

Correct Answer

B:

This measures the behavior required by the specific solution, rather than simply checking that it was configured. Application discovery captures real workload characteristics needed for migration planning. The acceptance condition is linked directly to the scenario: A legacy data center lacks a trustworthy inventory of server CPU, memory, installed processes and network connections.

Incorrect Answers

A:

The proposed target design has documented permitted license use and tracked license utilization. However, this does not establish the required outcome: captured workload attributes reveal which servers can be rehosted together and which need further assessment.

C:

New capability traffic can be rolled back while untouched monolith endpoints remain functional. However, this does not establish the required outcome: captured workload attributes reveal which servers can be rehosted together and which need further assessment.

D:

Each workload has justified retire, retain, relocate, rehost, replatform, repurchase or refactor decision. However, this does not establish the required outcome: captured workload attributes reveal which servers can be rehosted together and which need further assessment.

Question 431

For the enterprise requirement "An ECS fleet is experiencing p99 delays but per-container CPU and memory usage are absent from operational dashboards", the team implemented this change: Enable supported Container Insights telemetry for task and service performance diagnostics. Which test result proves this architecture satisfies its stated constraint?

  1. Each registered consumer receives an independent read-throughput path and lag falls during peak events
  2. Pending tasks become schedulable and p95 latency improves without wasting an additional empty cluster
  3. Compliance reports show applied baselines and chosen hosts patched only during approved windows
  4. High-latency periods correlate with a specific task's memory or CPU saturation

Explanation

Correct Answer

D:

This measures the behavior required by the specific solution, rather than simply checking that it was configured. Container Insights provides enhanced telemetry for container infrastructure. The acceptance condition is linked directly to the scenario: An ECS fleet is experiencing p99 delays but per-container CPU and memory usage are absent from operational dashboards.

Incorrect Answers

A:

Each registered consumer receives an independent read-throughput path and lag falls during peak events. However, this does not establish the required outcome: high-latency periods correlate with a specific task's memory or CPU saturation.

B:

Pending tasks become schedulable and p95 latency improves without wasting an additional empty cluster. However, this does not establish the required outcome: high-latency periods correlate with a specific task's memory or CPU saturation.

C:

Compliance reports show applied baselines and chosen hosts patched only during approved windows. However, this does not establish the required outcome: high-latency periods correlate with a specific task's memory or CPU saturation.

Question 432

A professional architect is reviewing two independent workstreams. Requirement A: A global web application must fail over to a secondary Region if the primary public endpoint becomes unhealthy. Requirement B: A startup expects to grow from five accounts to 100 and needs baseline account vending and preventive guardrails. Choose TWO actions that directly address these separate problems.

  1. Set up IAM Identity Center account assignments with role-scoped permission sets and centralized joiner-leaver management
  2. Use Route 53 failover records with health checks and independently deployed regional stacks
  3. Use Transit Gateway inspection VPC attachment with appliance mode and explicit symmetric inspection routes
  4. Deploy an AWS Control Tower landing zone and Account Factory-based governance with planned organizational units
  5. Place an SQS queue between submission and processing, with appropriately scaled consumers and DLQ policy

Explanation

Correct Answers

B:

This action meets the independently stated requirement A: A global web application must fail over to a secondary Region if the primary public endpoint becomes unhealthy. Route 53 health-check failover can redirect future DNS resolutions between operational regional endpoints. A direct acceptance check is: A synthetic endpoint failure directs new DNS resolutions to the secondary healthy stack within the planned TTL behavior.

D:

This action meets the independently stated requirement B: 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.

Incorrect Answers

A:

This action targets a different technical need: Business units need temporary developer access to multiple accounts but not permanent local IAM users. It does not replace either required solution in A or B. Central identity assignments reduce stale credentials and standardize workforce access; verify the two stated requirements independently rather than accepting an unrelated change.

C:

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.

E:

This action targets a different technical need: Order processing must survive transient database outages without permanently losing accepted incoming work. It does not replace either required solution in A or B. Durable queues decouple intake availability from downstream processing failures; verify the two stated requirements independently rather than accepting an unrelated change.

Question 433

For the enterprise requirement "A high-throughput session API must share ephemeral session data among multiple application instances without database round trips", the team implemented this change: Use ElastiCache Redis/Valkey-compatible cache with a suitable eviction and high-availability design. What would most directly validate the implementation?

  1. Records are ingested within supported throughput limits without hot-shard throttling under replayed load
  2. Terminating all instances in one zone leaves healthy targets and Auto Scaling replaces lost capacity
  3. Clients use accelerator anycast addresses and connect to the healthy regional endpoint with improved path latency
  4. Hot session lookups avoid repeated database queries and failure recovery preserves acceptable service behavior

Explanation

Correct Answer

D:

This measures the behavior required by the specific solution, rather than simply checking that it was configured. A shared in-memory cache reduces backend read pressure when expiry and failure behavior are designed. The acceptance condition is linked directly to the scenario: A high-throughput session API must share ephemeral session data among multiple application instances without database round trips.

Incorrect Answers

A:

Records are ingested within supported throughput limits without hot-shard throttling under replayed load. However, this does not establish the required outcome: hot session lookups avoid repeated database queries and failure recovery preserves acceptable service behavior.

B:

Terminating all instances in one zone leaves healthy targets and Auto Scaling replaces lost capacity. However, this does not establish the required outcome: hot session lookups avoid repeated database queries and failure recovery preserves acceptable service behavior.

C:

Clients use accelerator anycast addresses and connect to the healthy regional endpoint with improved path latency. However, this does not establish the required outcome: hot session lookups avoid repeated database queries and failure recovery preserves acceptable service behavior.

Question 434

For the enterprise requirement "A transactional RDS workload must automatically fail over within the Region on an AZ failure", the team implemented this change: Deploy a supported RDS Multi-AZ configuration and verify connection retry and DNS handling. Which evidence confirms the intended behavior under test?

  1. Read latency and writer CPU improve under reporting load without routing writes to read replicas
  2. Zonal failover promotes a standby and the application reconnects after the expected interruption
  3. Hot session lookups avoid repeated database queries and failure recovery preserves acceptable service behavior
  4. A poison message goes to the DLQ after configured attempts while valid following messages proceed

Explanation

Correct Answer

B:

This measures the behavior required by the specific solution, rather than simply checking that it was configured. RDS Multi-AZ provides standby capacity for automated intra-Region failover, not read scaling by itself. The acceptance condition is linked directly to the scenario: A transactional RDS workload must automatically fail over within the Region on an AZ failure.

Incorrect Answers

A:

Read latency and writer CPU improve under reporting load without routing writes to read replicas. However, this does not establish the required outcome: zonal failover promotes a standby and the application reconnects after the expected interruption.

C:

Hot session lookups avoid repeated database queries and failure recovery preserves acceptable service behavior. However, this does not establish the required outcome: zonal failover promotes a standby and the application reconnects after the expected interruption.

D:

A poison message goes to the DLQ after configured attempts while valid following messages proceed. However, this does not establish the required outcome: zonal failover promotes a standby and the application reconnects after the expected interruption.

Question 435

A deployed environment still does not meet the original requirement: An EC2 fleet has low utilization and a migration team wants instance-family replacement recommendations backed by memory metrics. What was most likely overlooked in the original design?

  1. Shared costs are assigned by arbitrary percentage without service consumption evidence
  2. The application is exposed to one database host or zonal compute failure
  3. Instances remain oversized based only on purchase history rather than performance evidence
  4. Premium IOPS are maintained without evidence of workload needing them

Explanation

Correct Answer

C:

This is the technical design error aligned with the unmet requirement. Compute Optimizer estimates rightsizing opportunities subject to compatibility and workload validation. The appropriate correction is: Collect proper monitoring and evaluate AWS Compute Optimizer recommendations with SLO tests. The control should then be tested by verifying that Chosen sizes meet memory and peak latency needs while reducing wasteful instance spending.

Incorrect Answers

A:

Shared costs are assigned by arbitrary percentage without service consumption evidence. The stated evidence instead indicates: Instances remain oversized based only on purchase history rather than performance evidence.

B:

The application is exposed to one database host or zonal compute failure. The stated evidence instead indicates: Instances remain oversized based only on purchase history rather than performance evidence.

D:

Premium IOPS are maintained without evidence of workload needing them. The stated evidence instead indicates: Instances remain oversized based only on purchase history rather than performance evidence.

Question 436

A professional architect is reviewing two independent workstreams. Requirement A: A payment service must block production release if vulnerability and smoke-test gates fail, even though the build itself succeeded. Requirement B: Business records must remain tamper-resistant during the retention period even if a security administrator compromises a backup account. Choose TWO remedies that meet A and B respectively.

  1. Add pipeline quality gates and explicit approval conditions prior to production deployment
  2. Configure protected AWS Backup Vault Lock compliance settings with appropriate retention and access governance
  3. Use ElastiCache Redis/Valkey-compatible cache with a suitable eviction and high-availability design
  4. Define the infrastructure in AWS CDK and synthesize reviewed CloudFormation templates through the deployment pipeline
  5. Run service tasks across multiple AZs with compatible load balancing and spare or scaling capacity

Explanation

Correct Answers

A:

This action meets the independently stated requirement A: A payment service must block production release if vulnerability and smoke-test gates fail, even though the build itself succeeded. Release pipelines should verify deployment risk and acceptance criteria beyond build success. A direct acceptance check is: Failed security or smoke tests prevent production deployment while passing builds can be promoted.

B:

This action meets the independently stated requirement B: Business records must remain tamper-resistant during the retention period even if a security administrator compromises a backup account. Backup Vault Lock compliance controls can enforce retained recovery-point immutability. A direct acceptance check is: An unauthorized attempt to delete a protected recovery point is denied before retention expires.

Incorrect Answers

C:

This action targets a different technical need: A high-throughput session API must share ephemeral session data among multiple application instances without database round trips. It does not replace either required solution in A or B. A shared in-memory cache reduces backend read pressure when expiry and failure behavior are designed; verify the two stated requirements independently rather than accepting an unrelated change.

D:

This action targets a different technical need: A developer fleet repeatedly creates slightly different cloud infrastructure for the same application environment. It does not replace either required solution in A or B. CDK expresses infrastructure as code while CloudFormation supplies deployed resource state; verify the two stated requirements independently rather than accepting an unrelated change.

E:

This action targets a different technical need: A container service must restore capacity after an AZ outage without manually replacing individual EC2 instances. It does not replace either required solution in A or B. Multi-AZ task placement and auto healing support zonal continuity for stateless applications; verify the two stated requirements independently rather than accepting an unrelated change.

Question 437

An enterprise architecture team faces this design requirement: A production deployment causes an outage because all old tasks were removed before new code passed tests. Which option best aligns with the business and technical requirement?

  1. Schedule automated and manual AWS Backup restore testing into an isolated validation environment
  2. Add AWS Config evaluation for the risky security-group condition with controlled notification and remediation
  3. Introduce a blue-green deployment strategy with health alarms and traffic rollback
  4. Design a supported Multi-AZ deployment with reconnection handling and execute maintenance drills

Explanation

Correct Answer

C:

Blue-green promotion protects a known-good environment until replacement quality is established. The required architecture outcome is: A production deployment causes an outage because all old tasks were removed before new code passed tests. Validate this choice by checking that New instances become healthy before major traffic shift and rollback restores the previous code path.

Incorrect Answers

A:

Snapshot creation is mistaken for proof the application can actually be restored. The specific problem here is that in-place mass deployment removed rollback capacity before verifying the new version.

B:

Static security policy documents are not technically enforced against resource drift. The specific problem here is that in-place mass deployment removed rollback capacity before verifying the new version.

D:

The application is exposed to one database host or zonal compute failure. The specific problem here is that in-place mass deployment removed rollback capacity before verifying the new version.

Question 438

A professional architect is reviewing two independent workstreams. Requirement A: Two acquired subsidiaries have overlapping RFC1918 VPC CIDRs but must exchange traffic with a shared integration endpoint. Requirement B: A producer account encrypts S3 objects under its KMS key and a distinct consumer role must decrypt those objects cross-account. Which TWO responses resolve the stated issues without substituting unrelated mechanisms?

  1. Introduce a centrally managed translation or proxy layer with nonoverlapping service endpoints rather than directly peering overlapping networks
  2. Enable S3 Cross-Region Replication with correct versioning, role permissions and ownership controls
  3. Use Transit Gateway inspection VPC attachment with appliance mode and explicit symmetric inspection routes
  4. Update the key policy and consumer IAM permissions for the cross-account principal, alongside S3 access authorization
  5. Configure an organization trail delivered to a protected central S3 bucket with appropriate key and bucket controls

Explanation

Correct Answers

A:

This action meets the independently stated requirement A: Two acquired subsidiaries have overlapping RFC1918 VPC CIDRs but must exchange traffic with a shared integration endpoint. Overlapping address spaces require translation or service-level isolation rather than simple routed peering. A direct acceptance check is: Traffic uses translated unique endpoint addresses and return packets reach the original client correctly.

D:

This action meets the independently stated requirement B: A producer account encrypts S3 objects under its KMS key and a distinct consumer role must decrypt those objects cross-account. Cross-account KMS use requires authorization from the key-owning account and the requesting principal. A direct acceptance check is: The consumer role reads approved encrypted objects but cannot decrypt other protected datasets.

Incorrect Answers

B:

This action targets a different technical need: Customer-uploaded S3 objects must appear in a second Region for durability and region-isolation objectives. It does not replace either required solution in A or B. Cross-Region Replication asynchronously copies eligible objects between configured buckets; verify the two stated requirements independently rather than accepting an unrelated change.

C:

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.

E:

This action targets a different technical need: Compliance requires protected organization-wide API activity logs to flow into a centralized security account with controlled deletion. It does not replace either required solution in A or B. AWS Organizations trails centralize multi-account CloudTrail logging when storage access is secured; verify the two stated requirements independently rather than accepting an unrelated change.

Question 439

A professional architect is reviewing two independent workstreams. Requirement A: A SQL Server estate must migrate to Amazon Aurora PostgreSQL despite vendor-specific T-SQL constructs. Requirement B: A monolithic Windows process has been decomposed into HTTP services that can run in managed containers without operating its own servers. Which TWO architecture changes cover both acceptance criteria?

  1. Use AWS Schema Conversion Tool or appropriate supported schema conversion assessment, then AWS DMS for data
  2. Modernize to an appropriately configured Amazon Aurora cluster with multi-AZ storage and tested failover
  3. Replace suitable stages with Step Functions orchestration and explicit retry, compensation and visibility states
  4. Reserve an AWS Data Transfer Terminal session and bring compatible encrypted storage to upload through its high-bandwidth AWS connection
  5. Package services into supported containers and deploy with ECS on Fargate and scalable load balancing

Explanation

Correct Answers

A:

This action meets the independently stated requirement A: A SQL Server estate must migrate to Amazon Aurora PostgreSQL despite vendor-specific T-SQL constructs. Heterogeneous database migrations require explicit schema and application compatibility work. A direct acceptance check is: Critical converted schema objects and application queries work and data replication reconciles.

E:

This action meets the independently stated requirement B: A monolithic Windows process has been decomposed into HTTP services that can run in managed containers without operating its own servers. Fargate can run supported ECS container tasks without customer-managed worker hosts. A direct acceptance check is: Services scale independently and teams do not manage EC2 container worker hosts.

Incorrect Answers

B:

This action targets a different technical need: A legacy database must meet high transactional availability and can accept conversion to an Aurora-compatible engine. It does not replace either required solution in A or B. Aurora offers managed high availability features for supported relational engines; verify the two stated requirements independently rather than accepting an unrelated change.

C:

This action targets a different technical need: A legacy orchestration service uses long polling and manual rollback scripts for multistep fulfillment. It does not replace either required solution in A or B. Managed workflow orchestration makes retries, errors and compensation explicit; verify the two stated requirements independently rather than accepting an unrelated change.

D:

This action targets a different technical need: 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. It does not replace either required solution in A or B. 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; verify the two stated requirements independently rather than accepting an unrelated change.

Question 440

For the enterprise requirement "A global TCP service wants static public entry addresses and traffic steering over the AWS global network for lowest path latency", the team implemented this change: Configure Global Accelerator listeners and healthy regional ALB or NLB endpoints. What should operations verify instead of relying on configuration alone?

  1. The repeated key lookup hits DAX with lower latency while noncacheable paths use the underlying table
  2. Free storage stays above emergency thresholds while capacity grows within policy rather than being oversized initially
  3. Hot session lookups avoid repeated database queries and failure recovery preserves acceptable service behavior
  4. Clients use accelerator anycast addresses and connect to the healthy regional endpoint with improved path latency

Explanation

Correct Answer

D:

This measures the behavior required by the specific solution, rather than simply checking that it was configured. Global Accelerator accelerates supported TCP/UDP applications without serving as an HTTP content cache. The acceptance condition is linked directly to the scenario: A global TCP service wants static public entry addresses and traffic steering over the AWS global network for lowest path latency.

Incorrect Answers

A:

The repeated key lookup hits DAX with lower latency while noncacheable paths use the underlying table. However, this does not establish the required outcome: clients use accelerator anycast addresses and connect to the healthy regional endpoint with improved path latency.

B:

Free storage stays above emergency thresholds while capacity grows within policy rather than being oversized initially. However, this does not establish the required outcome: clients use accelerator anycast addresses and connect to the healthy regional endpoint with improved path latency.

C:

Hot session lookups avoid repeated database queries and failure recovery preserves acceptable service behavior. However, this does not establish the required outcome: clients use accelerator anycast addresses and connect to the healthy regional endpoint with improved path latency.