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Amazon AWS Certified Solutions Architect - Professional SAP-C02 Bundle

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

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Amazon AWS Certified Solutions Architect - Professional SAP-C02 Practice Test 77

Question 760

An architecture review recommends this solution: Use AWS Elastic Disaster Recovery with supported source replication and recovery drills. The motivating situation is: Hundreds of virtual machines require orchestrated recovery into AWS after a primary on-premises site failure. Which technical principle most strongly justifies this recommendation?

  1. Cross-Region Replication asynchronously copies eligible objects between configured buckets
  2. AWS Control Tower provides managed landing-zone governance and standardized account provisioning
  3. AWS Elastic Disaster Recovery supports block-level replication and automated recovery launches
  4. Aurora Global Database supports low-latency crossregional replication with explicit recovery operations

Explanation

Correct Answer

C:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Use AWS Elastic Disaster Recovery with supported source replication and recovery drills. The expected supporting evidence is: A drilled failover boots recoverable instances and meets tested recovery objectives and dependency order.

Incorrect Answers

A:

Only source-region S3 versioning is enabled, but no replication rule or role exists. The stated evidence instead indicates: Backup images exist but no continuously replicated recovery environment or launch plan is configured.

B:

New accounts are assembled by ad hoc scripts with inconsistent security baselines. The stated evidence instead indicates: Backup images exist but no continuously replicated recovery environment or launch plan is configured.

D:

A single-Region Aurora cluster lacks a suitable crossregional disaster recovery target. The stated evidence instead indicates: Backup images exist but no continuously replicated recovery environment or launch plan is configured.

Question 761

A deployed environment still does not meet the original requirement: A proprietary virtual appliance cannot run on AWS-supported instance drivers without vendor modifications. What was most likely overlooked in the original design?

  1. Source virtualization format was mistaken for a guarantee of target runtime compatibility
  2. A simple online copy was selected without calculating network capacity and transfer duration
  3. Local instance disks are wrongly used as a shared durable POSIX file system
  4. Migration tasks are tracked in separate team documents with no common portfolio state

Explanation

Correct Answer

A:

This is the technical design error aligned with the unmet requirement. Platform migration viability depends on software support and hardware or driver compatibility. The appropriate correction is: Validate platform, hypervisor and kernel compatibility before committing to a target deployment. The control should then be tested by verifying that Vendor-certified testing proves that the appliance runs on the selected target or requires retain/replace decision.

Incorrect Answers

B:

A simple online copy was selected without calculating network capacity and transfer duration. The stated evidence instead indicates: Source virtualization format was mistaken for a guarantee of target runtime compatibility.

C:

Local instance disks are wrongly used as a shared durable POSIX file system. The stated evidence instead indicates: Source virtualization format was mistaken for a guarantee of target runtime compatibility.

D:

Migration tasks are tracked in separate team documents with no common portfolio state. The stated evidence instead indicates: Source virtualization format was mistaken for a guarantee of target runtime compatibility.

Question 762

A professional architect is reviewing two independent workstreams. Requirement A: Production maintenance requires an explicit approval and tracked change record before automation updates EC2 systems. Requirement B: A shared S3 data lake gives two analytics teams unnecessarily broad bucket access. Which TWO controls should be used together for these separate scenarios?

  1. Use S3 Access Points or carefully scoped bucket policies to isolate each team's required object prefixes
  2. Define service level indicators and targets in CloudWatch dashboards and alarms grounded in request success and p95 latency
  3. Enable AWS WAF logging to an appropriate destination with sensitive-data handling and analyze matched rules
  4. Gate a least-privilege Systems Manager Automation runbook with an aws:approve step and retain change approval and execution records
  5. Configure provisioned concurrency for selected published function aliases with suitable demand planning

Explanation

Correct Answers

A:

This action meets the independently stated requirement B: A shared S3 data lake gives two analytics teams unnecessarily broad bucket access. S3 Access Points can support distinct access policies for shared buckets. A direct acceptance check is: Team A reads only its permitted dataset and an attempt to fetch team B's restricted dataset is rejected.

D:

This action meets the independently stated requirement A: Production maintenance requires an explicit approval and tracked change record before automation updates EC2 systems. Controlled automation separates approval from execution and preserves traceability. A direct acceptance check is: Unauthorized execution is blocked and approved changes have associated audit evidence.

Incorrect Answers

B:

Operational excellence requires observable application SLOs tied to business-critical behavior. The two requirements instead call for these controls: (A) Gate a least-privilege Systems Manager Automation runbook with an aws:approve step and retain change approval and execution records; (B) Use S3 Access Points or carefully scoped bucket policies to isolate each team's required object prefixes.

C:

This action targets a different technical need: Attackers continuously probe application URLs and security needs request-level evidence for rule tuning. It does not replace either required solution in A or B. WAF logs provide request and rule evaluation evidence for security tuning; verify the two stated requirements independently rather than accepting an unrelated change.

E:

This action targets a different technical need: A customer-facing Lambda API has unacceptable first-request latency after inactive periods despite low average invocation cost. It does not replace either required solution in A or B. Lambda provisioned concurrency keeps selected execution environments initialized to reduce startup latency; verify the two stated requirements independently rather than accepting an unrelated change.

Question 763

A professional architect is reviewing two independent workstreams. Requirement A: A legacy reporting ETL cluster requires durable raw data sharing and easier scale-out queries across departments. Requirement B: Cloud infrastructure is built manually for each test environment and nobody knows which resources can be reproduced. Choose TWO actions that directly address these separate problems.

  1. Extract suitable endpoints to API Gateway and Lambda with explicit authentication, throttling and timeout controls
  2. Use AWS Transform discovery and assessment, or a supported inventory tool, to measure server characteristics and network dependency data
  3. Capture resources in versioned CloudFormation or CDK definitions and deploy through reviewed pipelines
  4. Introduce caching with explicit expiry and invalidation policies using CloudFront or ElastiCache as appropriate
  5. Build a governed S3-centered data lake with AWS Glue metadata and appropriate analytics services

Explanation

Correct Answers

C:

This action meets the independently stated requirement B: Cloud infrastructure is built manually for each test environment and nobody knows which resources can be reproduced. Infrastructure as code supports repeatability, reviews and automated lifecycle controls. A direct acceptance check is: A fresh environment can be recreated from code with predictable parameters and drift checks.

E:

This action meets the independently stated requirement A: A legacy reporting ETL cluster requires durable raw data sharing and easier scale-out queries across departments. A shared governed object-storage lake decouples data retention from individual processing engines. A direct acceptance check is: Separate analysts query approved lake datasets without direct access to the legacy ETL host.

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 legacy data center lacks a trustworthy inventory of server CPU, memory, installed processes and network connections. It does not replace either required solution in A or B. Application discovery captures real workload characteristics needed for migration planning; verify the two stated requirements independently rather than accepting an unrelated change.

D:

This action targets a different technical need: An ecommerce backend repeatedly recomputes expensive reads for product listings that change infrequently. It does not replace either required solution in A or B. Correct cache placement and invalidation reduce repeated work without violating freshness needs; verify the two stated requirements independently rather than accepting an unrelated change.

Question 764

For the enterprise requirement "A vendor assumes a role into an AWS account and must be restricted to one project's S3 prefix for that session only", the team implemented this change: Require tightly scoped role trust and a scoped session policy or condition that limits the assumed-role credentials. Which observation should be required before the change is approved?

  1. The delegated account receives findings from participating member accounts and permitted Regions
  2. A simulated Direct Connect failure moves approved routes to VPN tunnels and restore reverses route preference
  3. The consumer role reads approved encrypted objects but cannot decrypt other protected datasets
  4. The assumed session can read the approved prefix and is denied a separate confidential prefix

Explanation

Correct Answer

D:

This measures the behavior required by the specific solution, rather than simply checking that it was configured. Session policies intersect with role permissions and can reduce privileges for one temporary session. The acceptance condition is linked directly to the scenario: A vendor assumes a role into an AWS account and must be restricted to one project's S3 prefix for that session only.

Incorrect Answers

A:

The delegated account receives findings from participating member accounts and permitted Regions. However, this does not establish the required outcome: the assumed session can read the approved prefix and is denied a separate confidential prefix.

B:

A simulated Direct Connect failure moves approved routes to VPN tunnels and restore reverses route preference. However, this does not establish the required outcome: the assumed session can read the approved prefix and is denied a separate confidential prefix.

C:

The consumer role reads approved encrypted objects but cannot decrypt other protected datasets. However, this does not establish the required outcome: the assumed session can read the approved prefix and is denied a separate confidential prefix.

Question 765

An architecture review recommends this solution: Schedule automated and manual AWS Backup restore testing into an isolated validation environment. The motivating situation is: The backup team reports high snapshot completion success but no one has recovered the database from those snapshots. What principle supports the selected implementation?

  1. SNS subscriber reliability relies on delivery retries and appropriately configured dead-letter destinations
  2. Recovery objectives require tested restore outcomes, not merely completed backups
  3. S3 analytics and lifecycle rules target recoverable storage waste when retention is respected
  4. RDS Multi-AZ maintains standby capacity for high availability and managed failover

Explanation

Correct Answer

B:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Schedule automated and manual AWS Backup restore testing into an isolated validation environment. The expected supporting evidence is: Restored datasets pass consistency and application startup checks within the recovery target.

Incorrect Answers

A:

Failed notifications disappear because no supported retry and DLQ design is in place. The stated evidence instead indicates: Snapshot creation is mistaken for proof the application can actually be restored.

C:

Dormant storage versions and partial uploads accumulate without inventory or lifecycle governance. The stated evidence instead indicates: Snapshot creation is mistaken for proof the application can actually be restored.

D:

The application is exposed to one database host or zonal compute failure. The stated evidence instead indicates: Snapshot creation is mistaken for proof the application can actually be restored.

Question 766

An architecture review recommends this solution: Use S3 Storage Lens metrics to identify expensive bucket-level and organization-wide storage trends. The motivating situation is: A large S3 estate has unknown replication, storage-class, and lifecycle patterns that drive storage expense. What principle supports the selected implementation?

  1. S3 Storage Lens supports visibility into storage activity and efficiency metrics
  2. AWS Elastic Disaster Recovery supports block-level replication and automated recovery launches
  3. Compute Savings Plans apply eligible usage discounts across supported services and configurations
  4. Compute Optimizer uses resource metrics and recommendations but must be checked against workload SLOs

Explanation

Correct Answer

A:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Use S3 Storage Lens metrics to identify expensive bucket-level and organization-wide storage trends. The expected supporting evidence is: Dashboards identify targeted buckets with abnormal storage patterns and lifecycle candidates.

Incorrect Answers

B:

Backup images exist but no continuously replicated recovery environment or launch plan is configured. The stated evidence instead indicates: Teams have only aggregate bills and cannot locate the source of inefficient storage usage.

C:

On-demand usage was left wholly uncommitted despite predictable baseline compute consumption. The stated evidence instead indicates: Teams have only aggregate bills and cannot locate the source of inefficient storage usage.

D:

Instances were resized from average CPU alone despite memory or traffic constraints. The stated evidence instead indicates: Teams have only aggregate bills and cannot locate the source of inefficient storage usage.

Question 767

A professional architect is reviewing two independent workstreams. Requirement A: A high-throughput EC2 network service shows packet processing CPU saturation and must exploit modern instance network acceleration. Requirement B: The backup team reports high snapshot completion success but no one has recovered the database from those snapshots. Which TWO responses resolve the stated issues without substituting unrelated mechanisms?

  1. Schedule automated and manual AWS Backup restore testing into an isolated validation environment
  2. Configure the supported subscription delivery policy, retries and dead-letter queue where applicable
  3. Use compatible enhanced networking drivers and appropriately sized instance network bandwidth
  4. Use Systems Manager Patch Manager with patch baselines and maintenance-window runbooks
  5. Use enhanced fan-out for supported registered consumers or otherwise allocate read capacity explicitly

Explanation

Correct Answers

A:

This action meets the independently stated requirement B: The backup team reports high snapshot completion success but no one has recovered the database from those snapshots. Recovery objectives require tested restore outcomes, not merely completed backups. A direct acceptance check is: Restored datasets pass consistency and application startup checks within the recovery target.

C:

This action meets the independently stated requirement A: A high-throughput EC2 network service shows packet processing CPU saturation and must exploit modern instance network acceleration. Enhanced networking capabilities require compatible instance types and operating-system drivers. A direct acceptance check is: Representative traffic reaches required throughput with improved CPU efficiency and no driver errors.

Incorrect Answers

B:

This action targets a different technical need: An SNS topic invokes an asynchronous HTTP subscriber with intermittent failures and business needs controlled redelivery. It does not replace either required solution in A or B. SNS subscriber reliability relies on delivery retries and appropriately configured dead-letter destinations; verify the two stated requirements independently rather than accepting an unrelated change.

D:

This action targets a different technical need: Hundreds of EC2 hosts need scheduled patch windows with evidence of patch compliance and approved maintenance boundaries. It does not replace either required solution in A or B. Systems Manager supports fleet patching with centralized baselines and maintenance windows; verify the two stated requirements independently rather than accepting an unrelated change.

E:

This action targets a different technical need: A Kinesis stream has adequate shard write capacity but multiple consumers compete for read throughput and fall behind. It does not replace either required solution in A or B. Kinesis enhanced fan-out provides dedicated consumer read throughput within service limits; verify the two stated requirements independently rather than accepting an unrelated change.

Question 768

An architecture review recommends this solution: Add an appropriate CloudFront Origin Shield layer and adjust origin caching strategy. The motivating situation is: A global media site sends repeated uncached misses to an expensive origin even with widespread CloudFront edge caches. Which technical principle most strongly justifies this recommendation?

  1. ECS placement depends on available per-host resources and declared capacity-provider strategy
  2. gp3 separates baseline volume storage size from configurable IOPS and throughput within limits
  3. Controlled automation separates approval from execution and preserves traceability
  4. CloudFront Origin Shield can consolidate cache misses through an additional regional layer

Explanation

Correct Answer

D:

This principle explains why the prescribed control is appropriate for the described requirement. The matching design action is: Add an appropriate CloudFront Origin Shield layer and adjust origin caching strategy. The expected supporting evidence is: Origin request count drops under a multi-edge cache miss test while freshness remains correct.

Incorrect Answers

A:

Cluster compute totals are misleading because the needed task resources are not schedulable. The stated evidence instead indicates: Misses from different edge caches repeatedly burden the same origin.

B:

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

C:

Administrators run sensitive maintenance scripts with no enforced approval or trail. The stated evidence instead indicates: Misses from different edge caches repeatedly burden the same origin.

Question 769

A professional architect is reviewing two independent workstreams. Requirement A: Financial backups must survive destruction of the primary application account by a compromised administrator. Requirement B: A startup expects to grow from five accounts to 100 and needs baseline account vending and preventive guardrails. Which TWO architecture changes cover both acceptance criteria?

  1. Enable VPC subnet sharing through AWS RAM for eligible accounts in the same organization
  2. Deploy an AWS Control Tower landing zone and Account Factory-based governance with planned organizational units
  3. Adopt an Aurora Global Database topology where supported and rehearse cross-Region failover or switchover
  4. Configure IAM Identity Center with enterprise IdP integration, permission sets and controlled account assignments
  5. Use AWS Backup cross-account copies into a protected backup account with isolated restore permissions

Explanation

Correct Answers

B:

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.

E:

This action meets the independently stated requirement A: Financial backups must survive destruction of the primary application account by a compromised administrator. Cross-account backup isolation reduces the effect of compromise of an application account. A direct acceptance check is: Backups remain recoverable from the dedicated account even when the application account is disabled.

Incorrect Answers

A:

This action targets a different technical need: Network administrators must manage a shared subnet centrally while application accounts place their own resources in it. It does not replace either required solution in A or B. VPC sharing separates network ownership from application resource ownership; verify the two stated requirements independently rather than accepting an unrelated change.

C:

This action targets a different technical need: A customer database needs a near-real-time cross-Region read replica and an established disaster recovery promotion procedure. It does not replace either required solution in A or B. Aurora Global Database supports low-latency crossregional replication with explicit recovery operations; verify the two stated requirements independently rather than accepting an unrelated change.

D:

This action targets a different technical need: Employees across dozens of AWS accounts must use one corporate identity provider and centrally standardized account assignments. It does not replace either required solution in A or B. IAM Identity Center coordinates workforce SSO permission sets across accounts; verify the two stated requirements independently rather than accepting an unrelated change.

Question 770

An enterprise architecture team faces this design requirement: An organization needs central inspection of east-west traffic from multiple spoke VPCs without asymmetric return flows. Which architecture decision best meets that precise requirement?

  1. Provision redundant Direct Connect connections and a Direct Connect gateway associated with appropriate transit or virtual private gateways
  2. Establish a Transit Gateway peering attachment and add the appropriate static routes in both Transit Gateway route tables
  3. Set up IAM Identity Center account assignments with role-scoped permission sets and centralized joiner-leaver management
  4. Use Transit Gateway inspection VPC attachment with appliance mode and explicit symmetric inspection routes

Explanation

Correct Answer

D:

Stateful network inspection requires symmetric paths through the selected inspection appliance. The required architecture outcome is: An organization needs central inspection of east-west traffic from multiple spoke VPCs without asymmetric return flows. Validate this choice by checking that Bidirectional flows traverse the inspection appliances consistently and approved inspection policies appear in logs.

Incorrect Answers

A:

A single Direct Connect circuit creates a site-to-cloud connectivity single point of failure. The specific problem here is that the inspection design allows forward and return packets to use different stateful inspection appliances.

B:

The architecture assumes that Transit Gateway peering automatically propagates interregional routes. The specific problem here is that the inspection design allows forward and return packets to use different stateful inspection appliances.

C:

Each business unit manually maintains duplicative IAM users in workload accounts. The specific problem here is that the inspection design allows forward and return packets to use different stateful inspection appliances.