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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 16

Question 150

An organization has a stable baseline of EC2 usage expected to continue for a year or longer. Which high-level AWS choice is MOST suitable for the business need?

  1. Consider an appropriate EC2 On-Demand Capacity Reservation.
  2. Evaluate appropriate Reserved Instances for eligible steady workloads.
  3. Review applicable data transfer direction, Region and network path pricing.
  4. Choose an S3 storage class aligned with retrieval timing and access frequency.

Explanation

Correct Answer

B:

Evaluate appropriate Reserved Instances for eligible steady workloads. This choice addresses the specific business requirement: Reserved Instance pricing can provide a commitment-based discount for qualifying instance usage. A clear way to confirm success is: A cost comparison shows a qualifying stable EC2 instance reservation matches its required instance attributes and term to receive the intended discount. To sustain the result: Review scope, family and term before making an RI commitment.

Incorrect Answers

A:

Capacity Reservations reserve supported instance capacity without being equivalent to an RI discount. In this question, however, reserved Instance pricing can provide a commitment-based discount for qualifying instance usage. The answer that meets the requirement is: Evaluate appropriate Reserved Instances for eligible steady workloads.

C:

Data transfer in and out and between locations can have different charging rules. In this question, however, reserved Instance pricing can provide a commitment-based discount for qualifying instance usage. The answer that meets the requirement is: Evaluate appropriate Reserved Instances for eligible steady workloads.

D:

S3 tiers differ in storage pricing, access costs and retrieval characteristics. In this question, however, reserved Instance pricing can provide a commitment-based discount for qualifying instance usage. The answer that meets the requirement is: Evaluate appropriate Reserved Instances for eligible steady workloads.

Question 151

A company needs to choose between RDS and DynamoDB for an order system with many relational constraints. Which high-level AWS choice is MOST suitable for the business need?

  1. Consider Amazon Aurora for the supported relational engine requirements.
  2. Use a managed relational database for the source of record and a cache only where beneficial.
  3. Favor a relational service when SQL joins and transactional relationships are fundamental.
  4. Evaluate a NoSQL service such as DynamoDB instead of assuming all data needs an RDBMS.

Explanation

Correct Answer

C:

Favor a relational service when SQL joins and transactional relationships are fundamental. This choice addresses the specific business requirement: Relational databases enforce structured relationships differently from NoSQL key-value models. A clear way to confirm success is: A proof of concept supports the necessary multi-table relational queries and constraints. To sustain the result: Review domain data models and transaction requirements before selection.

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, relational databases enforce structured relationships differently from NoSQL key-value models. The answer that meets the requirement is: Favor a relational service when SQL joins and transactional relationships are fundamental.

B:

An in-memory cache is not automatically a replacement for transactional relational data and recovery guarantees. In this question, however, relational databases enforce structured relationships differently from NoSQL key-value models. The answer that meets the requirement is: Favor a relational service when SQL joins and transactional relationships are fundamental.

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: Favor a relational service when SQL joins and transactional relationships are fundamental.

Question 152

A developer asks whether AWS service APIs are available only through the web console. Which response BEST fits this cloud scenario?

  1. Use infrastructure as code such as AWS CloudFormation for repeatable provisioning.
  2. Use the AWS Command Line Interface with appropriately scoped credentials.
  3. Choose a repeatable provisioning process instead of manual per-region recreation.
  4. Recognize that supported AWS services can be accessed through console, CLI, SDKs and APIs.

Explanation

Correct Answer

D:

Recognize that supported AWS services can be accessed through console, CLI, SDKs and APIs. This choice addresses the specific business requirement: Multiple access methods expose cloud capabilities for interactive and programmatic tasks. A clear way to confirm success is: The same permitted resource details can be retrieved through approved console and CLI views. To sustain the result: Apply consistent IAM permissions regardless of access method.

Incorrect Answers

A:

Declarative templates make consistent deployment and change review easier than manual duplication. In this question, however, multiple access methods expose cloud capabilities for interactive and programmatic tasks. The answer that meets the requirement is: Recognize that supported AWS services can be accessed through console, CLI, SDKs and APIs.

B:

The CLI exposes AWS operations as commands suitable for scripting and automation. In this question, however, multiple access methods expose cloud capabilities for interactive and programmatic tasks. The answer that meets the requirement is: Recognize that supported AWS services can be accessed through console, CLI, SDKs and APIs.

C:

Manual duplication increases configuration inconsistency and slows recovery or expansion. In this question, however, multiple access methods expose cloud capabilities for interactive and programmatic tasks. The answer that meets the requirement is: Recognize that supported AWS services can be accessed through console, CLI, SDKs and APIs.

Question 153

An organization asks who is responsible for guarding AWS-owned regional data centers. Which high-level AWS choice is MOST suitable for the business need?

  1. Assign facility perimeter, building access and physical hardware security to AWS.
  2. Recognize that AWS manages more underlying platform maintenance for RDS than for a self-managed EC2 database.
  3. Define the customer's backup configuration, retention and restore-testing needs for each workload.
  4. Have the customer classify data and define permitted users and retention.

Explanation

Correct Answer

A:

Assign facility perimeter, building access and physical hardware security to AWS. This choice addresses the specific business requirement: The provider operates physical cloud infrastructure that customers do not directly manage. A clear way to confirm success is: The responsibility register lists physical facility controls as provider-operated. To sustain the result: Use AWS compliance documentation rather than inventing customer rack-control procedures.

Incorrect Answers

B:

Managed RDS removes routine infrastructure and database-engine platform tasks from the customer's responsibility, subject to service features. In this question, however, the provider operates physical cloud infrastructure that customers do not directly manage. The answer that meets the requirement is: Assign facility perimeter, building access and physical hardware security to AWS.

C:

Service-managed backup features still require customers to select appropriate policies and test business recovery. In this question, however, the provider operates physical cloud infrastructure that customers do not directly manage. The answer that meets the requirement is: Assign facility perimeter, building access and physical hardware security to AWS.

D:

AWS infrastructure protection does not determine the customer's business and regulatory data handling rules. In this question, however, the provider operates physical cloud infrastructure that customers do not directly manage. The answer that meets the requirement is: Assign facility perimeter, building access and physical hardware security to AWS.

Question 154

A deployment script needs nonsecret configuration parameters shared across environments. What is the MOST appropriate AWS-related decision here?

  1. Rotate the exposed credential and move it to an approved secret manager.
  2. Use AWS Systems Manager Parameter Store for controlled configuration values.
  3. Use AWS Security Token Service through an appropriate role-assumption flow.
  4. Use AWS IAM Identity Center for supported workforce access across accounts and applications.

Explanation

Correct Answer

B:

Use AWS Systems Manager Parameter Store for controlled configuration values. This choice addresses the specific business requirement: Central configuration storage reduces environment-specific hardcoding and can manage access to parameters. A clear way to confirm success is: A test environment retrieves only the intended configuration namespace. To sustain the result: Use secure parameter types for sensitive values and review IAM policies.

Incorrect Answers

A:

Credentials committed to repositories can remain exposed in history even after file deletion. In this question, however, central configuration storage reduces environment-specific hardcoding and can manage access to parameters. The answer that meets the requirement is: Use AWS Systems Manager Parameter Store for controlled configuration values.

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: Use AWS Systems Manager Parameter Store for controlled configuration values.

D:

Identity Center centralizes federated workforce access instead of creating independent IAM users everywhere. In this question, however, central configuration storage reduces environment-specific hardcoding and can manage access to parameters. The answer that meets the requirement is: Use AWS Systems Manager Parameter Store for controlled configuration values.

Question 155

A company runs its own Linux web server on Amazon EC2 and asks who installs operating-system security patches. Which AWS concept, service, or responsibility BEST addresses the stated requirement?

  1. Configure customer-managed security groups and host access restrictions.
  2. Manage routing, subnet controls and network resource configuration as customer duties.
  3. Assign guest operating-system patch management to the customer under shared responsibility.
  4. Define the customer's backup configuration, retention and restore-testing needs for each workload.

Explanation

Correct Answer

C:

Assign guest operating-system patch management to the customer under shared responsibility. This choice addresses the specific business requirement: AWS protects the underlying cloud infrastructure but customers administer EC2 guest operating systems. A clear way to confirm success is: The owner documents and applies the approved Linux patch baseline to the EC2 guest. To sustain the result: Maintain a customer patch schedule and inventory for self-managed instances.

Incorrect Answers

A:

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: Assign guest operating-system patch management to the customer under shared responsibility.

B:

AWS operates VPC infrastructure but does not decide the customer's intended permitted network topology. In this question, however, aWS protects the underlying cloud infrastructure but customers administer EC2 guest operating systems. The answer that meets the requirement is: Assign guest operating-system patch management to the customer under shared responsibility.

D:

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: Assign guest operating-system patch management to the customer under shared responsibility.

Question 156

An application needs a fast session store with predictable key access and no complex SQL transactions. What is the MOST appropriate AWS-related decision here?

  1. Use a managed relational database for the source of record and a cache only where beneficial.
  2. Use Amazon ElastiCache for supported in-memory caching.
  3. Consider Amazon RDS for supported relational database engines.
  4. Evaluate a NoSQL service such as DynamoDB instead of assuming all data needs an RDBMS.

Explanation

Correct Answer

D:

Evaluate a NoSQL service such as DynamoDB instead of assuming all data needs an RDBMS. This choice addresses the specific business requirement: Managed NoSQL models can match simple key-oriented workloads without relational table joins. A clear way to confirm success is: Session lookups return the expected values through a key-based design. To sustain the result: Validate access patterns before committing to a database model.

Incorrect Answers

A:

An in-memory cache is not automatically a replacement for transactional relational data and recovery guarantees. In this question, however, managed NoSQL models can match simple key-oriented workloads without relational table joins. The answer that meets the requirement is: Evaluate a NoSQL service such as DynamoDB instead of assuming all data needs an RDBMS.

B:

ElastiCache keeps frequently accessed data in memory rather than acting as the system of record for all database history. In this question, however, managed NoSQL models can match simple key-oriented workloads without relational table joins. The answer that meets the requirement is: Evaluate a NoSQL service such as DynamoDB instead of assuming all data needs an RDBMS.

C:

RDS manages significant database platform operations while preserving relational SQL 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: Evaluate a NoSQL service such as DynamoDB instead of assuming all data needs an RDBMS.

Question 157

A business has regulatory equipment that must remain on site but needs to integrate with AWS cloud services. What is the MOST appropriate AWS-related decision here?

  1. Adopt a suitable hybrid-cloud deployment model.
  2. Identify the current environment as on-premises rather than public-cloud hosting.
  3. Use the AWS Command Line Interface with appropriately scoped credentials.
  4. Choose a repeatable provisioning process instead of manual per-region recreation.

Explanation

Correct Answer

A:

Adopt a suitable hybrid-cloud deployment model. This choice addresses the specific business requirement: Hybrid deployment combines on-premises resources with cloud services rather than requiring everything in one location. A clear way to confirm success is: The operating plan identifies locally retained systems and approved cloud integration points. To sustain the result: Document security and network boundaries between environments.

Incorrect Answers

B:

Owning and operating the facilities distinguishes on-premises deployments from AWS-managed cloud infrastructure. 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: Adopt a suitable hybrid-cloud deployment model.

C:

The CLI exposes AWS operations as commands suitable for scripting and automation. 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: Adopt a suitable hybrid-cloud deployment model.

D:

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: Adopt a suitable hybrid-cloud deployment model.

Question 158

A service needs to publish one notification to several independently subscribed destinations. What is the MOST appropriate AWS-related decision here?

  1. Consider AWS Amplify for suitable frontend and mobile delivery requirements.
  2. Use Amazon SNS for suitable publish-subscribe fanout.
  3. Consider Amazon WorkSpaces for supported virtual desktop needs.
  4. Consider Amazon Connect for supported contact-center functionality.

Explanation

Correct Answer

B:

Use Amazon SNS for suitable publish-subscribe fanout. This choice addresses the specific business requirement: SNS distributes published messages to subscriptions rather than serving as one worker's durable job queue. A clear way to confirm success is: A test publication arrives at the intended subscribed endpoints. To sustain the result: Verify subscription filtering and sensitive message content.

Incorrect Answers

A:

Amplify provides developer tooling and hosting integrations for web and mobile frontends. 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: Use Amazon SNS for suitable publish-subscribe fanout.

C:

WorkSpaces provides managed desktop experiences to users rather than database hosting. 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: Use Amazon SNS for suitable publish-subscribe fanout.

D:

Amazon Connect offers managed customer contact workflows rather than general email delivery. 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: Use Amazon SNS for suitable publish-subscribe fanout.

Question 159

A company believes moving to AWS guarantees lower bills for every workload without analysis. Which response BEST fits this cloud scenario?

  1. Consider managed services to reduce specific undifferentiated infrastructure operations.
  2. Use short-lived metered cloud experiments with explicit spending guardrails.
  3. Evaluate workloads and usage patterns before asserting economic savings.
  4. Distinguish capital expenditure for purchased infrastructure from variable operating cloud costs.

Explanation

Correct Answer

C:

Evaluate workloads and usage patterns before asserting economic savings. This choice addresses the specific business requirement: Cloud cost benefits depend on sizing, demand, architecture, licenses and ongoing governance. A clear way to confirm success is: A representative before-and-after cost estimate includes all material service categories. To sustain the result: Compare measured expenditure against the agreed business case.

Incorrect Answers

A:

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: Evaluate workloads and usage patterns before asserting economic savings.

B:

Variable consumption lets the company limit exposure while evaluating uncertain demand. In this question, however, cloud cost benefits depend on sizing, demand, architecture, licenses and ongoing governance. The answer that meets the requirement is: Evaluate workloads and usage patterns before asserting economic savings.

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: Evaluate workloads and usage patterns before asserting economic savings.

Question 160

A team needs to migrate an actively changing relational database with limited downtime. Which response BEST fits this cloud scenario?

  1. Choose a replatform migration approach when the compatible target reduces maintenance.
  2. Evaluate the supported relocation approach for the applicable infrastructure.
  3. Tie adoption outcomes to AWS CAF business and governance measures.
  4. Use AWS Database Migration Service for supported ongoing replication and cutover.

Explanation

Correct Answer

D:

Use AWS Database Migration Service for supported ongoing replication and cutover. This choice addresses the specific business requirement: DMS can capture supported source changes while initial data copies complete. A clear way to confirm success is: The target is reconciled with a known source change point before cutover. To sustain the result: Monitor replication lag and verify application compatibility separately.

Incorrect Answers

A:

Replatforming changes selected infrastructure or platform components without fully reinventing the application. In this question, however, dMS can capture supported source changes while initial data copies complete. The answer that meets the requirement is: Use AWS Database Migration Service for supported ongoing replication and cutover.

B:

Relocation moves existing infrastructure at scale with fewer application-level alterations where supported. In this question, however, dMS can capture supported source changes while initial data copies complete. The answer that meets the requirement is: Use AWS Database Migration Service for supported ongoing replication and 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: Use AWS Database Migration Service for supported ongoing replication and cutover.