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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 53

Question 520

Which service-to-requirement explanation best fits this situation: A backend must buffer workload bursts so workers can process tasks independently?

  1. Amazon SES — sends application email
  2. AWS Step Functions — coordinates workflows composed of multiple steps and services
  3. Amazon SNS — fans out notification messages to subscribers
  4. Amazon SQS — SQS provides managed queues to decouple workloads and buffer messages for consumers

Explanation

Correct Answer

D:

SQS provides managed queues to decouple workloads and buffer messages for consumers. This fits the situation: A backend must buffer workload bursts so workers can process tasks independently.

Incorrect Answers

A:

Amazon SES: Sends application email. This does not address the need for A backend must buffer workload bursts so workers can process tasks independently. The appropriate Amazon SQS applies because SQS provides managed queues to decouple workloads and buffer messages for consumers.

B:

AWS Step Functions: Coordinates workflows composed of multiple steps and services. This does not address the need for A backend must buffer workload bursts so workers can process tasks independently. The appropriate Amazon SQS applies because SQS provides managed queues to decouple workloads and buffer messages for consumers.

C:

Amazon SNS fans out notification messages to subscribers. This does not address the need for A backend must buffer workload bursts so workers can process tasks independently. The appropriate Amazon SQS applies because SQS provides managed queues to decouple workloads and buffer messages for consumers.

Question 521

A business application must send transactional email notices to customers. Which option is the best fit?

  1. Amazon SES
  2. Amazon Connect
  3. Amazon SNS
  4. Amazon SQS

Explanation

Correct Answer

A:

SES provides cloud email sending capabilities for transactional and marketing use cases. This fits the case: A business application must send transactional email notices to customers.

Incorrect Answers

B:

Amazon Connect runs a managed contact-center service. That does not meet the requirement: A business application must send transactional email notices to customers.

C:

Amazon SNS fans out notification messages to subscribers. That does not meet the requirement: A business application must send transactional email notices to customers.

D:

Amazon SQS: Buffers durable asynchronous work messages in queues. That does not meet the requirement: A business application must send transactional email notices to customers.

Question 522

A business application must send transactional email notices to customers. Which justification most accurately supports the recommended choice?

  1. Amazon SNS — fans out notification messages to subscribers
  2. Amazon SES — SES provides cloud email sending capabilities for transactional and marketing use cases
  3. Amazon SQS — buffers durable asynchronous work messages in queues
  4. Amazon Connect — runs a managed contact-center service

Explanation

Correct Answer

B:

SES provides cloud email sending capabilities for transactional and marketing use cases. This fits the situation: A business application must send transactional email notices to customers.

Incorrect Answers

A:

Amazon SNS fans out notification messages to subscribers. This does not address the need for A business application must send transactional email notices to customers. The appropriate Amazon SES applies because SES provides cloud email sending capabilities for transactional and marketing use cases.

C:

Amazon SQS: Buffers durable asynchronous work messages in queues. This does not address the need for A business application must send transactional email notices to customers. The appropriate Amazon SES applies because SES provides cloud email sending capabilities for transactional and marketing use cases.

D:

Amazon Connect runs a managed contact-center service. This does not address the need for A business application must send transactional email notices to customers. The appropriate Amazon SES applies because SES provides cloud email sending capabilities for transactional and marketing use cases.

Question 523

Consider this AWS requirement: A company wants a managed service for sending application-generated email at scale. What should the team select?

  1. Amazon Connect
  2. Amazon SQS
  3. Amazon SES
  4. Amazon SNS

Explanation

Correct Answer

C:

SES provides cloud email sending capabilities for transactional and marketing use cases. This fits the case: A company wants a managed service for sending application-generated email at scale.

Incorrect Answers

A:

Amazon Connect runs a managed contact-center service. That does not meet the requirement: Consider this AWS requirement: A company wants a managed service for sending application-generated email at scale.

B:

Amazon SQS: Buffers durable asynchronous work messages in queues. That does not meet the requirement: Consider this AWS requirement: A company wants a managed service for sending application-generated email at scale.

D:

Amazon SNS fans out notification messages to subscribers. That does not meet the requirement: Consider this AWS requirement: A company wants a managed service for sending application-generated email at scale.

Question 524

A review board wants evidence for this choice: A company wants a managed service for sending application-generated email at scale. Which reasoning is best aligned with the requirement?

  1. Amazon SQS — buffers durable asynchronous work messages in queues
  2. Amazon SNS — fans out notification messages to subscribers
  3. Amazon Connect — runs a managed contact-center service
  4. Amazon SES — SES provides cloud email sending capabilities for transactional and marketing use cases

Explanation

Correct Answer

D:

SES provides cloud email sending capabilities for transactional and marketing use cases. This fits the situation: A company wants a managed service for sending application-generated email at scale.

Incorrect Answers

A:

Amazon SQS: Buffers durable asynchronous work messages in queues. This does not address the need for A company wants a managed service for sending application-generated email at scale. The appropriate Amazon SES applies because SES provides cloud email sending capabilities for transactional and marketing use cases.

B:

Amazon SNS fans out notification messages to subscribers. This does not address the need for A company wants a managed service for sending application-generated email at scale. The appropriate Amazon SES applies because SES provides cloud email sending capabilities for transactional and marketing use cases.

C:

Amazon Connect runs a managed contact-center service. This does not address the need for A company wants a managed service for sending application-generated email at scale. The appropriate Amazon SES applies because SES provides cloud email sending capabilities for transactional and marketing use cases.

Question 525

A team needs an automated software release pipeline spanning build and deployment stages. Which cloud capability or service directly addresses the requirement?

  1. AWS CodePipeline
  2. AWS CodeBuild
  3. AWS X-Ray
  4. AWS CloudTrail

Explanation

Correct Answer

A:

CodePipeline orchestrates stages of a continuous delivery release workflow. This fits the case: A team needs an automated software release pipeline spanning build and deployment stages.

Incorrect Answers

B:

AWS CodeBuild runs build and test jobs rather than orchestrating an entire delivery pipeline. That does not meet the requirement: A team needs an automated software release pipeline spanning build and deployment stages.

C:

AWS X-Ray: Traces distributed application requests and their performance. That does not meet the requirement: A team needs an automated software release pipeline spanning build and deployment stages.

D:

AWS CloudTrail records API requests and account management events. That does not meet the requirement: A team needs an automated software release pipeline spanning build and deployment stages.

Question 526

A team needs an automated software release pipeline spanning build and deployment stages. Which explanation correctly distinguishes the appropriate approach from the alternatives?

  1. AWS CodeBuild — runs build and test jobs rather than orchestrating an entire delivery pipeline
  2. AWS CodePipeline — CodePipeline orchestrates stages of a continuous delivery release workflow
  3. AWS CloudTrail — records API requests and account management events
  4. AWS X-Ray — traces distributed application requests and their performance

Explanation

Correct Answer

B:

CodePipeline orchestrates stages of a continuous delivery release workflow. This fits the situation: A team needs an automated software release pipeline spanning build and deployment stages.

Incorrect Answers

A:

AWS CodeBuild runs build and test jobs rather than orchestrating an entire delivery pipeline. This does not address the need for A team needs an automated software release pipeline spanning build and deployment stages. The appropriate AWS CodePipeline applies because CodePipeline orchestrates stages of a continuous delivery release workflow.

C:

AWS CloudTrail records API requests and account management events. This does not address the need for A team needs an automated software release pipeline spanning build and deployment stages. The appropriate AWS CodePipeline applies because CodePipeline orchestrates stages of a continuous delivery release workflow.

D:

AWS X-Ray: Traces distributed application requests and their performance. This does not address the need for A team needs an automated software release pipeline spanning build and deployment stages. The appropriate AWS CodePipeline applies because CodePipeline orchestrates stages of a continuous delivery release workflow.

Question 527

A technical reviewer evaluates this need: Developers want to orchestrate CI/CD steps from source changes to approved deployment. Which choice is most appropriate?

  1. AWS CodeBuild
  2. AWS CloudTrail
  3. AWS CodePipeline
  4. AWS X-Ray

Explanation

Correct Answer

C:

CodePipeline orchestrates stages of a continuous delivery release workflow. This fits the case: Developers want to orchestrate CI/CD steps from source changes to approved deployment.

Incorrect Answers

A:

AWS CodeBuild runs build and test jobs rather than orchestrating an entire delivery pipeline. That does not meet the requirement: A technical reviewer evaluates this need: Developers want to orchestrate CI/CD steps from source changes to approved deployment.

B:

AWS CloudTrail records API requests and account management events. That does not meet the requirement: A technical reviewer evaluates this need: Developers want to orchestrate CI/CD steps from source changes to approved deployment.

D:

AWS X-Ray: Traces distributed application requests and their performance. That does not meet the requirement: A technical reviewer evaluates this need: Developers want to orchestrate CI/CD steps from source changes to approved deployment.

Question 528

For the following need, select the most defensible technical rationale: Developers want to orchestrate CI/CD steps from source changes to approved deployment.

  1. AWS CodeBuild — runs build and test jobs rather than orchestrating an entire delivery pipeline
  2. AWS CloudTrail — records API requests and account management events
  3. AWS X-Ray — traces distributed application requests and their performance
  4. AWS CodePipeline — CodePipeline orchestrates stages of a continuous delivery release workflow

Explanation

Correct Answer

D:

CodePipeline orchestrates stages of a continuous delivery release workflow. This fits the situation: Developers want to orchestrate CI/CD steps from source changes to approved deployment.

Incorrect Answers

A:

AWS CodeBuild runs build and test jobs rather than orchestrating an entire delivery pipeline. This does not address the need for Developers want to orchestrate CI/CD steps from source changes to approved deployment. The appropriate AWS CodePipeline applies because CodePipeline orchestrates stages of a continuous delivery release workflow.

B:

AWS CloudTrail records API requests and account management events. This does not address the need for Developers want to orchestrate CI/CD steps from source changes to approved deployment. The appropriate AWS CodePipeline applies because CodePipeline orchestrates stages of a continuous delivery release workflow.

C:

AWS X-Ray: Traces distributed application requests and their performance. This does not address the need for Developers want to orchestrate CI/CD steps from source changes to approved deployment. The appropriate AWS CodePipeline applies because CodePipeline orchestrates stages of a continuous delivery release workflow.

Question 529

A team needs EC2 instances for a brief experiment, cannot commit to a term, and must avoid interruptions caused by AWS reclaiming spare Spot capacity. Identify the AWS approach that most directly meets the stated goal.

  1. On-Demand Instances
  2. Reserved Instances
  3. Spot Instances
  4. Dedicated Hosts

Explanation

Correct Answer

A:

On-Demand provides compute without long-term commitment, at the applicable standard usage rate. This fits the case: A team needs EC2 instances for a brief experiment, cannot commit to a term, and must avoid interruptions caused by AWS reclaiming spare Spot capacity.

Incorrect Answers

B:

Reserved Instances provide pricing benefits for eligible committed EC2 usage, subject to RI configuration and terms. That does not meet the requirement: A team needs EC2 instances for a brief experiment, cannot commit to a term, and must avoid interruptions caused by AWS reclaiming spare Spot capacity.

C:

Spot Instances: Offer interruptible spare EC2 capacity at discounted rates. That does not meet the requirement: A team needs EC2 instances for a brief experiment, cannot commit to a term, and must avoid interruptions caused by AWS reclaiming spare Spot capacity.

D:

Dedicated Hosts provide physical server allocation and host-level visibility useful for specified licensing needs. That does not meet the requirement: A team needs EC2 instances for a brief experiment, cannot commit to a term, and must avoid interruptions caused by AWS reclaiming spare Spot capacity.

Question 530

Which service-to-requirement explanation best fits this situation: A team needs EC2 instances for a brief experiment, cannot commit to a term, and must avoid interruptions caused by AWS reclaiming spare Spot capacity?

  1. Dedicated Hosts — Dedicated Hosts provide physical server allocation and host-level visibility useful for specified licensing needs
  2. On-Demand Instances — On-Demand provides compute without long-term commitment, at the applicable standard usage rate
  3. Reserved Instances — Reserved Instances provide pricing benefits for eligible committed EC2 usage, subject to RI configuration and terms
  4. Spot Instances — offer interruptible spare EC2 capacity at discounted rates

Explanation

Correct Answer

B:

On-Demand provides compute without long-term commitment, at the applicable standard usage rate. This fits the situation: A team needs EC2 instances for a brief experiment, cannot commit to a term, and must avoid interruptions caused by AWS reclaiming spare Spot capacity.

Incorrect Answers

A:

Dedicated Hosts provide physical server allocation and host-level visibility useful for specified licensing needs. This does not address the need for A team needs EC2 instances for a brief experiment, cannot commit to a term, and must avoid interruptions caused by AWS reclaiming spare Spot capacity. The appropriate On-Demand Instances applies because On-Demand provides compute without long-term commitment, at the applicable standard usage rate.

C:

Reserved Instances provide pricing benefits for eligible committed EC2 usage, subject to RI configuration and terms. This does not address the need for A team needs EC2 instances for a brief experiment, cannot commit to a term, and must avoid interruptions caused by AWS reclaiming spare Spot capacity. The appropriate On-Demand Instances applies because On-Demand provides compute without long-term commitment, at the applicable standard usage rate.

D:

Spot Instances: Offer interruptible spare EC2 capacity at discounted rates. This does not address the need for A team needs EC2 instances for a brief experiment, cannot commit to a term, and must avoid interruptions caused by AWS reclaiming spare Spot capacity. The appropriate On-Demand Instances applies because On-Demand provides compute without long-term commitment, at the applicable standard usage rate.