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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 41

Question 400

An organization has a stable baseline of EC2 usage expected to continue for a year or longer. Which evidence BEST validates the recommended AWS choice?

  1. The selected service meets documented continuity requirements during capacity changes.
  2. The purchasing plan independently addresses price coverage and any host licensing need.
  3. The team runs the instance for its short project and stops paying compute when it is terminated.
  4. A cost comparison shows a qualifying stable EC2 instance reservation matches its required instance attributes and term to receive the intended discount.

Explanation

Correct Answer

D:

A cost comparison shows a qualifying stable EC2 instance reservation matches its required instance attributes and term to receive the intended discount. This result is directly relevant because Reserved Instance pricing can provide a commitment-based discount for qualifying instance usage. The underlying AWS decision is: Evaluate appropriate Reserved Instances for eligible steady workloads. The ongoing safeguard is: Review scope, family and term before making an RI commitment.

Incorrect Answers

A:

Spot interruption risk is incompatible with workloads that lack graceful interruption handling. In this question, however, reserved Instance pricing can provide a commitment-based discount for qualifying instance usage. The answer that meets the requirement is: A cost comparison shows a qualifying stable EC2 instance reservation matches its required instance attributes and term to receive the intended discount.

B:

A Savings Plan is a pricing agreement, not a guarantee of a specific physical server. In this question, however, reserved Instance pricing can provide a commitment-based discount for qualifying instance usage. The answer that meets the requirement is: A cost comparison shows a qualifying stable EC2 instance reservation matches its required instance attributes and term to receive the intended discount.

C:

On-Demand charges for usage without the long-term purchasing commitment required by some discount models. In this question, however, reserved Instance pricing can provide a commitment-based discount for qualifying instance usage. The answer that meets the requirement is: A cost comparison shows a qualifying stable EC2 instance reservation matches its required instance attributes and term to receive the intended discount.

Question 401

A company needs to choose between RDS and DynamoDB for an order system with many relational constraints. Which evidence BEST validates the recommended AWS choice?

  1. A proof of concept supports the necessary multi-table relational queries and constraints.
  2. An application test verifies supported SQL compatibility, storage growth and an approved database failover exercise on Aurora.
  3. Repeated hot reads return quickly while the source database remains authoritative.
  4. Session lookups return the expected values through a key-based design.

Explanation

Correct Answer

A:

A proof of concept supports the necessary multi-table relational queries and constraints. This result is directly relevant because Relational databases enforce structured relationships differently from NoSQL key-value models. The underlying AWS decision is: Favor a relational service when SQL joins and transactional relationships are fundamental. The ongoing safeguard is: Review domain data models and transaction requirements before selection.

Incorrect Answers

B:

Amazon Aurora provides MySQL- and PostgreSQL-compatible engines with a cloud-optimized distributed storage architecture and built-in replication. In this question, however, relational databases enforce structured relationships differently from NoSQL key-value models. The answer that meets the requirement is: A proof of concept supports the necessary multi-table relational queries and constraints.

C:

ElastiCache keeps frequently accessed data in memory rather than acting as the system of record for all database history. In this question, however, relational databases enforce structured relationships differently from NoSQL key-value models. The answer that meets the requirement is: A proof of concept supports the necessary multi-table relational queries and constraints.

D:

Managed NoSQL models can match simple key-oriented workloads without relational table joins. In this question, however, relational databases enforce structured relationships differently from NoSQL key-value models. The answer that meets the requirement is: A proof of concept supports the necessary multi-table relational queries and constraints.

Question 402

A developer asks whether AWS service APIs are available only through the web console. Which result provides the strongest evidence that the goal is met?

  1. The approved workload components run in the chosen location with documented integration.
  2. The same permitted resource details can be retrieved through approved console and CLI views.
  3. The operating plan identifies locally retained systems and approved cloud integration points.
  4. The asset inventory classifies physical hosting responsibilities correctly.

Explanation

Correct Answer

B:

The same permitted resource details can be retrieved through approved console and CLI views. This result is directly relevant because Multiple access methods expose cloud capabilities for interactive and programmatic tasks. The underlying AWS decision is: Recognize that supported AWS services can be accessed through console, CLI, SDKs and APIs. The ongoing safeguard is: Apply consistent IAM permissions regardless of access method.

Incorrect Answers

A:

Cloud and traditional infrastructures can coexist under a hybrid operating model. In this question, however, multiple access methods expose cloud capabilities for interactive and programmatic tasks. The answer that meets the requirement is: The same permitted resource details can be retrieved through approved console and CLI views.

C:

Hybrid deployment combines on-premises resources with cloud services rather than requiring everything in one location. In this question, however, multiple access methods expose cloud capabilities for interactive and programmatic tasks. The answer that meets the requirement is: The same permitted resource details can be retrieved through approved console and CLI views.

D:

Owning and operating the facilities distinguishes on-premises deployments from AWS-managed cloud infrastructure. In this question, however, multiple access methods expose cloud capabilities for interactive and programmatic tasks. The answer that meets the requirement is: The same permitted resource details can be retrieved through approved console and CLI views.

Question 403

An organization asks who is responsible for guarding AWS-owned regional data centers. Which evidence BEST validates the recommended AWS choice?

  1. The route and security-rule review removes unintended public reachability.
  2. The owner documents and applies the approved Linux patch baseline to the EC2 guest.
  3. The responsibility register lists physical facility controls as provider-operated.
  4. A policy review shows unintended public access removed while approved access remains.

Explanation

Correct Answer

C:

The responsibility register lists physical facility controls as provider-operated. This result is directly relevant because The provider operates physical cloud infrastructure that customers do not directly manage. The underlying AWS decision is: Assign facility perimeter, building access and physical hardware security to AWS. The ongoing safeguard is: Use AWS compliance documentation rather than inventing customer rack-control procedures.

Incorrect Answers

A:

AWS operates VPC infrastructure but does not decide the customer's intended permitted network topology. In this question, however, the provider operates physical cloud infrastructure that customers do not directly manage. The answer that meets the requirement is: The responsibility register lists physical facility controls as provider-operated.

B:

AWS protects the underlying cloud infrastructure but customers administer EC2 guest operating systems. In this question, however, the provider operates physical cloud infrastructure that customers do not directly manage. The answer that meets the requirement is: The responsibility register lists physical facility controls as provider-operated.

D:

The AWS-managed storage infrastructure does not automatically authorize the intended audience for each customer's objects. In this question, however, the provider operates physical cloud infrastructure that customers do not directly manage. The answer that meets the requirement is: The responsibility register lists physical facility controls as provider-operated.

Question 404

A deployment script needs nonsecret configuration parameters shared across environments. Which observation would BEST demonstrate the chosen approach meets the need?

  1. A password-only test cannot complete the protected login.
  2. A test request stays denied until the relevant deny condition is intentionally resolved.
  3. The process can call authorized services during the session and loses access on expiry.
  4. A test environment retrieves only the intended configuration namespace.

Explanation

Correct Answer

D:

A test environment retrieves only the intended configuration namespace. This result is directly relevant because Central configuration storage reduces environment-specific hardcoding and can manage access to parameters. The underlying AWS decision is: Use AWS Systems Manager Parameter Store for controlled configuration values. The ongoing safeguard is: Use secure parameter types for sensitive values and review IAM policies.

Incorrect Answers

A:

MFA adds a factor beyond a password and reduces the value of stolen passwords alone. In this question, however, central configuration storage reduces environment-specific hardcoding and can manage access to parameters. The answer that meets the requirement is: A test environment retrieves only the intended configuration namespace.

B:

The IAM evaluation model enforces explicit denies before permits from applicable policies. In this question, however, central configuration storage reduces environment-specific hardcoding and can manage access to parameters. The answer that meets the requirement is: A test environment retrieves only the intended configuration namespace.

C:

STS issues time-limited credentials that can be scoped to a role session. In this question, however, central configuration storage reduces environment-specific hardcoding and can manage access to parameters. The answer that meets the requirement is: A test environment retrieves only the intended configuration namespace.

Question 405

A company runs its own Linux web server on Amazon EC2 and asks who installs operating-system security patches. What outcome would MOST clearly confirm the approach works?

  1. The owner documents and applies the approved Linux patch baseline to the EC2 guest.
  2. An external scan finds no unintended management listener available to anonymous hosts.
  3. A documented restore demonstrates the application's recovery objective.
  4. The operations responsibility matrix shows fewer OS and engine maintenance tasks for the RDS customer.

Explanation

Correct Answer

A:

The owner documents and applies the approved Linux patch baseline to the EC2 guest. This result is directly relevant because AWS protects the underlying cloud infrastructure but customers administer EC2 guest operating systems. The underlying AWS decision is: Assign guest operating-system patch management to the customer under shared responsibility. The ongoing safeguard is: Maintain a customer patch schedule and inventory for self-managed instances.

Incorrect Answers

B:

AWS provides network controls, but customers choose inbound exposure for their workloads. In this question, however, aWS protects the underlying cloud infrastructure but customers administer EC2 guest operating systems. The answer that meets the requirement is: The owner documents and applies the approved Linux patch baseline to the EC2 guest.

C:

Service-managed backup features still require customers to select appropriate policies and test business recovery. In this question, however, aWS protects the underlying cloud infrastructure but customers administer EC2 guest operating systems. The answer that meets the requirement is: The owner documents and applies the approved Linux patch baseline to the EC2 guest.

D:

Managed RDS removes routine infrastructure and database-engine platform tasks from the customer's responsibility, subject to service features. In this question, however, aWS protects the underlying cloud infrastructure but customers administer EC2 guest operating systems. The answer that meets the requirement is: The owner documents and applies the approved Linux patch baseline to the EC2 guest.

Question 406

An application needs a fast session store with predictable key access and no complex SQL transactions. Which observation would BEST demonstrate the chosen approach meets the need?

  1. An application test verifies supported SQL compatibility, storage growth and an approved database failover exercise on Aurora.
  2. Session lookups return the expected values through a key-based design.
  3. A representative source schema maps to a reviewed target schema with outstanding manual items documented.
  4. A proof of concept supports the necessary multi-table relational queries and constraints.

Explanation

Correct Answer

B:

Session lookups return the expected values through a key-based design. This result is directly relevant because Managed NoSQL models can match simple key-oriented workloads without relational table joins. The underlying AWS decision is: Evaluate a NoSQL service such as DynamoDB instead of assuming all data needs an RDBMS. The ongoing safeguard is: Validate access patterns before committing to a database model.

Incorrect Answers

A:

Amazon Aurora provides MySQL- and PostgreSQL-compatible engines with a cloud-optimized distributed storage architecture and built-in replication. In this question, however, managed NoSQL models can match simple key-oriented workloads without relational table joins. The answer that meets the requirement is: Session lookups return the expected values through a key-based design.

C:

AWS SCT helps assess and convert database schema objects rather than merely copying table data. In this question, however, managed NoSQL models can match simple key-oriented workloads without relational table joins. The answer that meets the requirement is: Session lookups return the expected values through a key-based design.

D:

Relational databases enforce structured relationships differently from NoSQL key-value models. In this question, however, managed NoSQL models can match simple key-oriented workloads without relational table joins. The answer that meets the requirement is: Session lookups return the expected values through a key-based design.

Question 407

A business has regulatory equipment that must remain on site but needs to integrate with AWS cloud services. Which observation would BEST demonstrate the chosen approach meets the need?

  1. A template deploys equivalent approved settings in supported regions.
  2. An approved template creates equivalent controlled resources in two target accounts.
  3. The operating plan identifies locally retained systems and approved cloud integration points.
  4. The same permitted resource details can be retrieved through approved console and CLI views.

Explanation

Correct Answer

C:

The operating plan identifies locally retained systems and approved cloud integration points. This result is directly relevant because Hybrid deployment combines on-premises resources with cloud services rather than requiring everything in one location. The underlying AWS decision is: Adopt a suitable hybrid-cloud deployment model. The ongoing safeguard is: Document security and network boundaries between environments.

Incorrect Answers

A:

Manual duplication increases configuration inconsistency and slows recovery or expansion. In this question, however, hybrid deployment combines on-premises resources with cloud services rather than requiring everything in one location. The answer that meets the requirement is: The operating plan identifies locally retained systems and approved cloud integration points.

B:

Declarative templates make consistent deployment and change review easier than manual duplication. In this question, however, hybrid deployment combines on-premises resources with cloud services rather than requiring everything in one location. The answer that meets the requirement is: The operating plan identifies locally retained systems and approved cloud integration points.

D:

Multiple access methods expose cloud capabilities for interactive and programmatic tasks. In this question, however, hybrid deployment combines on-premises resources with cloud services rather than requiring everything in one location. The answer that meets the requirement is: The operating plan identifies locally retained systems and approved cloud integration points.

Question 408

A service needs to publish one notification to several independently subscribed destinations. Which observation would BEST demonstrate the chosen approach meets the need?

  1. An authorized test email is accepted and delivered to a permitted recipient.
  2. A test commit builds an artifact and produces reviewed results.
  3. A backlog can accumulate during worker downtime and drain when workers return.
  4. A test publication arrives at the intended subscribed endpoints.

Explanation

Correct Answer

D:

A test publication arrives at the intended subscribed endpoints. This result is directly relevant because SNS distributes published messages to subscriptions rather than serving as one worker's durable job queue. The underlying AWS decision is: Use Amazon SNS for suitable publish-subscribe fanout. The ongoing safeguard is: Verify subscription filtering and sensitive message content.

Incorrect Answers

A:

Amazon SES is an email delivery service, not a general message queue. In this question, however, sNS distributes published messages to subscriptions rather than serving as one worker's durable job queue. The answer that meets the requirement is: A test publication arrives at the intended subscribed endpoints.

B:

CodeBuild runs configured build tasks rather than acting as a live application server. In this question, however, sNS distributes published messages to subscriptions rather than serving as one worker's durable job queue. The answer that meets the requirement is: A test publication arrives at the intended subscribed endpoints.

C:

SQS lets producers enqueue work and consumers process it asynchronously. In this question, however, sNS distributes published messages to subscriptions rather than serving as one worker's durable job queue. The answer that meets the requirement is: A test publication arrives at the intended subscribed endpoints.

Question 409

A company believes moving to AWS guarantees lower bills for every workload without analysis. Which result provides the strongest evidence that the goal is met?

  1. A representative before-and-after cost estimate includes all material service categories.
  2. A monthly report separates major workload cost drivers and their accountable owners.
  3. The service operations model lists fewer infrastructure-maintenance tasks for staff.
  4. The financial model separately lists up-front facility assets and usage-based service charges.

Explanation

Correct Answer

A:

A representative before-and-after cost estimate includes all material service categories. This result is directly relevant because Cloud cost benefits depend on sizing, demand, architecture, licenses and ongoing governance. The underlying AWS decision is: Evaluate workloads and usage patterns before asserting economic savings. The ongoing safeguard is: Compare measured expenditure against the agreed business case.

Incorrect Answers

B:

Usage-based services provide cost signals that require suitable account and tagging organization. In this question, however, cloud cost benefits depend on sizing, demand, architecture, licenses and ongoing governance. The answer that meets the requirement is: A representative before-and-after cost estimate includes all material service categories.

C:

Managed offerings can shift platform patching and infrastructure tasks from the customer. In this question, however, cloud cost benefits depend on sizing, demand, architecture, licenses and ongoing governance. The answer that meets the requirement is: A representative before-and-after cost estimate includes all material service categories.

D:

Owning physical assets requires up-front investment whereas many cloud costs track consumption. In this question, however, cloud cost benefits depend on sizing, demand, architecture, licenses and ongoing governance. The answer that meets the requirement is: A representative before-and-after cost estimate includes all material service categories.

Question 410

A team needs to migrate an actively changing relational database with limited downtime. Which result provides the strongest evidence that the goal is met?

  1. The on-premises device continues operating while approved data reaches cloud analytics.
  2. The target is reconciled with a known source change point before cutover.
  3. Program reporting links migration milestones to operational or revenue outcomes.
  4. Independent components can scale and be released through the intended interfaces.

Explanation

Correct Answer

B:

The target is reconciled with a known source change point before cutover. This result is directly relevant because DMS can capture supported source changes while initial data copies complete. The underlying AWS decision is: Use AWS Database Migration Service for supported ongoing replication and cutover. The ongoing safeguard is: Monitor replication lag and verify application compatibility separately.

Incorrect Answers

A:

Retaining is appropriate when a workload cannot or should not move at present. In this question, however, dMS can capture supported source changes while initial data copies complete. The answer that meets the requirement is: The target is reconciled with a known source change point before cutover.

C:

Cloud adoption includes measurable organizational value and risk management, not only infrastructure relocation. In this question, however, dMS can capture supported source changes while initial data copies complete. The answer that meets the requirement is: The target is reconciled with a known source change point before cutover.

D:

Refactoring changes application architecture to obtain new capabilities rather than simply changing the hosting location. In this question, however, dMS can capture supported source changes while initial data copies complete. The answer that meets the requirement is: The target is reconciled with a known source change point before cutover.