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Amazon AWS Certified Cloud Practitioner CLF-C02 Bundle

Exam Code: AWS Certified Cloud Practitioner CLF-C02

Exam Name AWS Certified Cloud Practitioner CLF-C02

Certification Provider: Amazon

Corresponding Certification: AWS Certified Cloud Practitioner

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Amazon AWS Certified Cloud Practitioner CLF-C02 Practice Test 47

Question 460

A backup archive is rarely read and retrieval can wait hours at the lowest suitable storage price. What outcome would MOST clearly confirm the approach works?

  1. The replacement instance mounts an approved volume and sees retained data.
  2. The selected class meets immediate object-access latency needs.
  3. A test workload uses temporary local files while authoritative data remains elsewhere.
  4. A trial restore completes inside the documented acceptable retrieval window.

Explanation

Correct Answer

D:

A trial restore completes inside the documented acceptable retrieval window. This result is directly relevant because S3 archival tiers trade retrieval speed and access conditions for different storage economics. The underlying AWS decision is: Evaluate an appropriate Amazon S3 Glacier archival storage class. The ongoing safeguard is: Set lifecycle transitions and account for retrieval charges.

Incorrect Answers

A:

EBS provides block volumes whose lifecycle can be independent of an EC2 instance. In this question, however, s3 archival tiers trade retrieval speed and access conditions for different storage economics. The answer that meets the requirement is: A trial restore completes inside the documented acceptable retrieval window.

B:

Retrieval characteristics and cost differ materially across S3 classes. In this question, however, s3 archival tiers trade retrieval speed and access conditions for different storage economics. The answer that meets the requirement is: A trial restore completes inside the documented acceptable retrieval window.

C:

Instance store is tied to the physical host lifecycle and should not hold sole durable copies. In this question, however, s3 archival tiers trade retrieval speed and access conditions for different storage economics. The answer that meets the requirement is: A trial restore completes inside the documented acceptable retrieval window.

Question 461

An order processor needs a queue that buffers tasks until worker applications can consume them. What outcome would MOST clearly confirm the approach works?

  1. A backlog can accumulate during worker downtime and drain when workers return.
  2. A test change advances through the intended review and deployment gates.
  3. A pilot contact follows the intended routing workflow to a support agent.
  4. An approved user signs in to the assigned hosted desktop.

Explanation

Correct Answer

A:

A backlog can accumulate during worker downtime and drain when workers return. This result is directly relevant because SQS lets producers enqueue work and consumers process it asynchronously. The underlying AWS decision is: Use Amazon SQS for decoupled message buffering. The ongoing safeguard is: Design retries and dead-letter queue handling.

Incorrect Answers

B:

CodePipeline coordinates release stages and integrations across tools. In this question, however, sQS lets producers enqueue work and consumers process it asynchronously. The answer that meets the requirement is: A backlog can accumulate during worker downtime and drain when workers return.

C:

Amazon Connect offers managed customer contact workflows rather than general email delivery. In this question, however, sQS lets producers enqueue work and consumers process it asynchronously. The answer that meets the requirement is: A backlog can accumulate during worker downtime and drain when workers return.

D:

WorkSpaces provides managed desktop experiences to users rather than database hosting. In this question, however, sQS lets producers enqueue work and consumers process it asynchronously. The answer that meets the requirement is: A backlog can accumulate during worker downtime and drain when workers return.

Question 462

A growing MySQL or PostgreSQL application needs a cloud-native distributed database storage architecture, automatic storage growth, and resilient managed replication rather than only a managed traditional engine. Which evidence BEST validates the recommended AWS choice?

  1. The tested key lookups and updates meet the application's access needs.
  2. An application test verifies supported SQL compatibility, storage growth and an approved database failover exercise on Aurora.
  3. The operating plan assigns database patching and backups to the customer team.
  4. The application preserves authoritative records after cache eviction.

Explanation

Correct Answer

B:

An application test verifies supported SQL compatibility, storage growth and an approved database failover exercise on Aurora. This result is directly relevant because Amazon Aurora provides MySQL- and PostgreSQL-compatible engines with a cloud-optimized distributed storage architecture and built-in replication. The underlying AWS decision is: Consider Amazon Aurora for the supported relational engine requirements. The ongoing safeguard is: Confirm required engine features, high-availability options and total cost before choosing Aurora.

Incorrect Answers

A:

DynamoDB is a managed NoSQL service, not a general relational SQL join engine. In this question, however, aurora is an AWS-managed relational database offering with compatible engine interfaces. The answer that meets the requirement is: An application test verifies supported SQL compatibility, storage growth and an approved database failover exercise on Aurora.

C:

Running a database on a virtual server does not automatically create managed RDS responsibilities. In this question, however, aurora is an AWS-managed relational database offering with compatible engine interfaces. The answer that meets the requirement is: An application test verifies supported SQL compatibility, storage growth and an approved database failover exercise on Aurora.

D:

An in-memory cache is not automatically a replacement for transactional relational data and recovery guarantees. In this question, however, aurora is an AWS-managed relational database offering with compatible engine interfaces. The answer that meets the requirement is: An application test verifies supported SQL compatibility, storage growth and an approved database failover exercise on Aurora.

Question 463

A company budgets only server purchases and ignores air conditioning, power and physical security for its data center. Which result provides the strongest evidence that the goal is met?

  1. A recovery cost comparison includes tested restore duration and data-loss tolerance.
  2. A smaller suitable instance class meets the same service objective at lower cost.
  3. A revised TCO estimate captures energy, cooling, space and maintenance.
  4. The TCO model includes overlap periods and planned retirement dates.

Explanation

Correct Answer

C:

A revised TCO estimate captures energy, cooling, space and maintenance. This result is directly relevant because Hardware cost alone omits substantial recurring infrastructure operating expenses. The underlying AWS decision is: Include facilities and ongoing operations in on-premises total cost of ownership. The ongoing safeguard is: Review full operating overhead when comparing cloud economics.

Incorrect Answers

A:

Always-on standby resources may cost more than the business benefit warrants. In this question, however, hardware cost alone omits substantial recurring infrastructure operating expenses. The answer that meets the requirement is: A revised TCO estimate captures energy, cooling, space and maintenance.

B:

Overprovisioned capacity creates unnecessary usage charges without adding business value. In this question, however, hardware cost alone omits substantial recurring infrastructure operating expenses. The answer that meets the requirement is: A revised TCO estimate captures energy, cooling, space and maintenance.

D:

Duplicate infrastructure during migration can temporarily increase total spending. In this question, however, hardware cost alone omits substantial recurring infrastructure operating expenses. The answer that meets the requirement is: A revised TCO estimate captures energy, cooling, space and maintenance.

Question 464

A team asks whether Amazon EC2, RDS and Lambda all have identical patching duties. Which result provides the strongest evidence that the goal is met?

  1. The owner documents and applies the approved Linux patch baseline to the EC2 guest.
  2. The responsibility register lists physical facility controls as provider-operated.
  3. Code scans and least-privilege reviews cover the deployed Lambda functions.
  4. The responsibility chart distinguishes guest OS patching, managed engine maintenance and application code.

Explanation

Correct Answer

D:

The responsibility chart distinguishes guest OS patching, managed engine maintenance and application code. This result is directly relevant because Managed and serverless services shift more platform maintenance to AWS than self-managed EC2. The underlying AWS decision is: Explain how the shared-responsibility boundary changes with the service abstraction level. The ongoing safeguard is: Review the service-specific responsibility matrix before choosing a platform.

Incorrect Answers

A:

AWS protects the underlying cloud infrastructure but customers administer EC2 guest operating systems. In this question, however, managed and serverless services shift more platform maintenance to AWS than self-managed EC2. The answer that meets the requirement is: The responsibility chart distinguishes guest OS patching, managed engine maintenance and application code.

B:

The provider operates physical cloud infrastructure that customers do not directly manage. In this question, however, managed and serverless services shift more platform maintenance to AWS than self-managed EC2. The answer that meets the requirement is: The responsibility chart distinguishes guest OS patching, managed engine maintenance and application code.

C:

Serverless execution management does not transfer customer application correctness or authorized access policy to AWS. In this question, however, managed and serverless services shift more platform maintenance to AWS than self-managed EC2. The answer that meets the requirement is: The responsibility chart distinguishes guest OS patching, managed engine maintenance and application code.

Question 465

A company needs encrypted S3 data protected with centrally managed access policies and auditing. Which result provides the strongest evidence that the goal is met?

  1. Authorized clients access encrypted objects and unauthorized key use fails.
  2. A sustained CPU threshold triggers the expected monitored alarm.
  3. A test API change appears in audit history while CPU load appears in a metric dashboard.
  4. A supported test image with a known vulnerability appears in vulnerability findings.

Explanation

Correct Answer

A:

Authorized clients access encrypted objects and unauthorized key use fails. This result is directly relevant because Encryption protects stored information while separate key policies and audit controls govern who uses it. The underlying AWS decision is: Combine S3 encryption configuration with KMS permissions and relevant logs. The ongoing safeguard is: Review encryption defaults and key permissions on each new bucket.

Incorrect Answers

B:

CloudWatch monitors resource and application telemetry rather than replacing API-level audit trails. In this question, however, encryption protects stored information while separate key policies and audit controls govern who uses it. The answer that meets the requirement is: Authorized clients access encrypted objects and unauthorized key use fails.

C:

CloudTrail and CloudWatch provide complementary evidence with different purposes. In this question, however, encryption protects stored information while separate key policies and audit controls govern who uses it. The answer that meets the requirement is: Authorized clients access encrypted objects and unauthorized key use fails.

D:

Inspector evaluates software vulnerabilities and exposure; it is not an API audit history service. In this question, however, encryption protects stored information while separate key policies and audit controls govern who uses it. The answer that meets the requirement is: Authorized clients access encrypted objects and unauthorized key use fails.

Question 466

A machine-learning training workload needs hardware acceleration that ordinary general-purpose CPUs cannot provide efficiently. Which evidence BEST validates the recommended AWS choice?

  1. A test spike adds healthy capacity and a quiet period scales it in.
  2. Training tests use the expected accelerator and meet performance needs.
  3. A usage report records the relevant invocation or compute charges after a test.
  4. The application can be deployed using Kubernetes APIs in its EKS environment.

Explanation

Correct Answer

B:

Training tests use the expected accelerator and meet performance needs. This result is directly relevant because GPU and other accelerator capabilities are available in specialized instance families. The underlying AWS decision is: Evaluate accelerated-computing EC2 instances appropriate to the software workload. The ongoing safeguard is: Confirm framework compatibility and utilization before purchasing capacity.

Incorrect Answers

A:

EC2 Auto Scaling varies fleet capacity based on policies and health. In this question, however, gPU and other accelerator capabilities are available in specialized instance families. The answer that meets the requirement is: Training tests use the expected accelerator and meet performance needs.

C:

AWS still runs compute infrastructure for Lambda or Fargate even when customers do not manage servers. In this question, however, gPU and other accelerator capabilities are available in specialized instance families. The answer that meets the requirement is: Training tests use the expected accelerator and meet performance needs.

D:

EKS provides managed Kubernetes control-plane capabilities for compatible workloads. In this question, however, gPU and other accelerator capabilities are available in specialized instance families. The answer that meets the requirement is: Training tests use the expected accelerator and meet performance needs.

Question 467

A security officer needs to know who called an AWS management API and when. Which observation would BEST demonstrate the chosen approach meets the need?

  1. The audit packet distinguishes AWS assurance documentation from customer configuration evidence.
  2. A sustained CPU threshold triggers the expected monitored alarm.
  3. A controlled IAM policy change is attributable to a recorded actor and time.
  4. A supported test image with a known vulnerability appears in vulnerability findings.

Explanation

Correct Answer

C:

A controlled IAM policy change is attributable to a recorded actor and time. This result is directly relevant because CloudTrail captures supported account activity and API calls, distinct from performance metrics. The underlying AWS decision is: Use AWS CloudTrail event records for API activity auditing. The ongoing safeguard is: Protect trail destinations and retain events according to policy.

Incorrect Answers

A:

Provider compliance reports and customer control evidence answer different audit questions. In this question, however, cloudTrail captures supported account activity and API calls, distinct from performance metrics. The answer that meets the requirement is: A controlled IAM policy change is attributable to a recorded actor and time.

B:

CloudWatch monitors resource and application telemetry rather than replacing API-level audit trails. In this question, however, cloudTrail captures supported account activity and API calls, distinct from performance metrics. The answer that meets the requirement is: A controlled IAM policy change is attributable to a recorded actor and time.

D:

Inspector evaluates software vulnerabilities and exposure; it is not an API audit history service. In this question, however, cloudTrail captures supported account activity and API calls, distinct from performance metrics. The answer that meets the requirement is: A controlled IAM policy change is attributable to a recorded actor and time.

Question 468

A global company wants teams in different countries to create identical test environments. Which observation would BEST demonstrate the chosen approach meets the need?

  1. Load tests preserve response objectives at peak and scale back after the event.
  2. Test readers in separate continents can reach the published application at acceptable latency.
  3. Capacity increases only after monitored demand signals show a sustained need.
  4. Separate teams create equivalent environments from the same reviewed template.

Explanation

Correct Answer

D:

Separate teams create equivalent environments from the same reviewed template. This result is directly relevant because AWS APIs enable repeatable delivery without duplicating physical build procedures at every site. The underlying AWS decision is: Use consistent cloud provisioning interfaces and templates in approved Regions. The ongoing safeguard is: Version infrastructure definitions and use regional policy guardrails.

Incorrect Answers

A:

Cloud elasticity supports short peaks without year-round full-capacity infrastructure. In this question, however, aWS APIs enable repeatable delivery without duplicating physical build procedures at every site. The answer that meets the requirement is: Separate teams create equivalent environments from the same reviewed template.

B:

A distributed infrastructure and caches reduce distance to content for users in different regions. In this question, however, aWS APIs enable repeatable delivery without duplicating physical build procedures at every site. The answer that meets the requirement is: Separate teams create equivalent environments from the same reviewed template.

C:

Pay-as-you-go capacity reduces the risk of stranded investments when forecasts are wrong. In this question, however, aWS APIs enable repeatable delivery without duplicating physical build procedures at every site. The answer that meets the requirement is: Separate teams create equivalent environments from the same reviewed template.

Question 469

A company writes an application that must interact programmatically with AWS services from its code. Which result provides the strongest evidence that the goal is met?

  1. A test program performs one authorized service call and handles errors properly.
  2. The asset inventory classifies physical hosting responsibilities correctly.
  3. A template deploys equivalent approved settings in supported regions.
  4. An authorized command lists expected resources and is denied unrelated actions.

Explanation

Correct Answer

A:

A test program performs one authorized service call and handles errors properly. This result is directly relevant because SDKs provide supported service API integrations in application code. The underlying AWS decision is: Use an appropriate AWS SDK for the application's language. The ongoing safeguard is: Use role-based credentials and maintain SDK dependencies.

Incorrect Answers

B:

Owning and operating the facilities distinguishes on-premises deployments from AWS-managed cloud infrastructure. In this question, however, sDKs provide supported service API integrations in application code. The answer that meets the requirement is: A test program performs one authorized service call and handles errors properly.

C:

Manual duplication increases configuration inconsistency and slows recovery or expansion. In this question, however, sDKs provide supported service API integrations in application code. The answer that meets the requirement is: A test program performs one authorized service call and handles errors properly.

D:

The CLI exposes AWS operations as commands suitable for scripting and automation. In this question, however, sDKs provide supported service API integrations in application code. The answer that meets the requirement is: A test program performs one authorized service call and handles errors properly.

Question 470

A support engineer wants to perform repeatable scripted operations against AWS from a terminal. Which evidence BEST validates the recommended AWS choice?

  1. A template deploys equivalent approved settings in supported regions.
  2. An authorized command lists expected resources and is denied unrelated actions.
  3. The same permitted resource details can be retrieved through approved console and CLI views.
  4. The analyst creates the bucket using the assigned permissions and reviews its settings.

Explanation

Correct Answer

B:

An authorized command lists expected resources and is denied unrelated actions. This result is directly relevant because The CLI exposes AWS operations as commands suitable for scripting and automation. The underlying AWS decision is: Use the AWS Command Line Interface with appropriately scoped credentials. The ongoing safeguard is: Avoid placing long-lived credentials inside shell scripts.

Incorrect Answers

A:

Manual duplication increases configuration inconsistency and slows recovery or expansion. In this question, however, the CLI exposes AWS operations as commands suitable for scripting and automation. The answer that meets the requirement is: An authorized command lists expected resources and is denied unrelated actions.

C:

Multiple access methods expose cloud capabilities for interactive and programmatic tasks. In this question, however, the CLI exposes AWS operations as commands suitable for scripting and automation. The answer that meets the requirement is: An authorized command lists expected resources and is denied unrelated actions.

D:

The web console provides an interactive interface to AWS services without requiring a command script. In this question, however, the CLI exposes AWS operations as commands suitable for scripting and automation. The answer that meets the requirement is: An authorized command lists expected resources and is denied unrelated actions.