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Amazon AWS Certified Cloud Practitioner CLF-C02 Practice Test 75

Question 740

A stakeholder is considering Amazon SNS because a monitoring event should send notifications to multiple subscribed endpoints. What is the MOST relevant capability or benefit?

  1. Support managed workflow orchestration
  2. Support application email delivery
  3. Support event bus routing and integration
  4. Support publish-subscribe notifications and fan-out

Explanation

Correct Answer

D:

Use Amazon SNS for publish-subscribe notifications and fan-out. SNS distributes published messages to subscribed destinations; it is not a relational database. The stated need is specifically a monitoring event should send notifications to multiple subscribed endpoints.

Incorrect Answers

A:

This outcome fits AWS Step Functions: Step Functions models stateful application workflows and service coordination rather than storing the business records. The stakeholder requires the more specific capability provided by Amazon SNS, not that separate benefit.

B:

This outcome fits Amazon SES: SES provides email sending and related features for business application communications. The stakeholder requires the more specific capability provided by Amazon SNS, not that separate benefit.

C:

This outcome fits Amazon EventBridge: EventBridge matches events against rules and directs them to supported targets. The stakeholder requires the more specific capability provided by Amazon SNS, not that separate benefit.

Question 741

An application needs to recover predictably from failures and adapt when demand changes. Which AWS service or cloud concept is the MOST direct match for this need?

  1. Reliability pillar
  2. Measure outcomes
  3. Sustainability pillar
  4. Infrastructure changes as code

Explanation

Correct Answer

A:

Reliability pillar fits the need because the Reliability pillar emphasizes recovery, distributed design, and meeting availability requirements. The relevant capability or responsibility is: Recover from disruptions and perform the intended function consistently.

Incorrect Answers

B:

Measure outcomes is associated with a different use case: a cloud team cannot tell whether a change improved customer-facing performance. The Well-Architected approach encourages observing real workload outcomes rather than relying only on resource existence. The question instead focuses on an application needs to recover predictably from failures and adapt when demand changes; Reliability pillar is the more direct match.

C:

Sustainability pillar is associated with a different use case: a company wants to reduce the environmental impact of its cloud workloads. The Sustainability pillar encourages efficient resource use and reduced environmental impact of running workloads. The question instead focuses on an application needs to recover predictably from failures and adapt when demand changes; Reliability pillar is the more direct match.

D:

Infrastructure changes as code is associated with a different use case: a team repeatedly creates similar environments and wants changes that can be reviewed and reproduced. Infrastructure as code reduces manual drift and supports consistent, reviewable infrastructure provisioning. The question instead focuses on an application needs to recover predictably from failures and adapt when demand changes; Reliability pillar is the more direct match.

Question 742

Which AWS service or cloud principle is the BEST fit for this outcome or responsibility: support managed workflow orchestration?

  1. Amazon SNS
  2. AWS Step Functions
  3. Amazon Connect
  4. Amazon EventBridge

Explanation

Correct Answer

B:

AWS Step Functions directly addresses this outcome. Step Functions models stateful application workflows and service coordination rather than storing the business records. A common relevant example is: a business process needs a coordinated sequence of several AWS service tasks with branching states.

Incorrect Answers

A:

Amazon SNS instead focuses on a different requirement, such as a monitoring event should send notifications to multiple subscribed endpoints. SNS distributes published messages to subscribed destinations; it is not a relational database. It is not the primary match for the requirement described here: support managed workflow orchestration.

C:

Amazon Connect instead focuses on a different requirement, such as a company wants a cloud-based customer contact center with voice and contact workflows. Amazon Connect offers contact-center services, distinct from a general-purpose messaging queue. It is not the primary match for the requirement described here: support managed workflow orchestration.

D:

Amazon EventBridge instead focuses on a different requirement, such as a SaaS app emits business events that must be routed to different AWS targets based on rules. EventBridge matches events against rules and directs them to supported targets. It is not the primary match for the requirement described here: support managed workflow orchestration.

Question 743

Which AWS service or cloud principle is the BEST fit for this outcome or responsibility: place redundant application components across different AZs within a Region?

  1. Amazon CloudFront
  2. Data sovereignty Region choice
  3. Multiple Availability Zones
  4. AWS Region

Explanation

Correct Answer

C:

Multiple Availability Zones directly addresses this outcome. Multi-AZ deployments can avoid a single-AZ failure taking down the whole application. A common relevant example is: an application must remain available if one Availability Zone experiences an outage.

Incorrect Answers

A:

Amazon CloudFront global caching instead focuses on a different requirement, such as users worldwide download the same publicly available product images from an origin. CloudFront is AWS's content delivery network and can reduce latency by caching copies near viewers. It is not the primary match for the requirement described here: place redundant application components across different AZs within a Region.

B:

Data sovereignty Region choice instead focuses on a different requirement, such as a government customer requires that certain datasets be stored in a specified legal jurisdiction. Region choice is a customer decision for residency compliance, subject to service availability and contractual requirements. It is not the primary match for the requirement described here: place redundant application components across different AZs within a Region.

D:

AWS Region instead focuses on a different requirement, such as a company is selecting a separate geographic AWS location for a workload with residency requirements. A Region is a geographically separate area containing multiple Availability Zones; customers select deployment Regions. It is not the primary match for the requirement described here: place redundant application components across different AZs within a Region.

Question 744

A stakeholder is considering Managed service operations because an analytics team prefers a managed database rather than operating its own database host. What is the MOST relevant capability or benefit?

  1. Plan for sustained essential operations and recovery after disruptive events
  2. Protect stored objects against underlying component failures
  3. Cache frequently requested content at locations closer to end users
  4. Reduce routine infrastructure management by consuming a managed service

Explanation

Correct Answer

D:

Reduce routine infrastructure management by consuming a managed service. Managed AWS offerings take on selected provisioning and maintenance tasks while customers remain responsible for their data and access policies. The stated need is specifically an analytics team prefers a managed database rather than operating its own database host.

Incorrect Answers

A:

This outcome fits Business continuity: Business continuity combines preparedness and recovery measures rather than assuming failures will never occur. The stakeholder requires the more specific capability provided by Managed service operations, not that separate benefit.

B:

This outcome fits Storage durability: Durability describes the likelihood that stored data remains intact; it is different from immediate service accessibility. The stakeholder requires the more specific capability provided by Managed service operations, not that separate benefit.

C:

This outcome fits Edge content delivery: An edge content delivery network reduces distance to cached content and can improve latency for geographically distributed users. The stakeholder requires the more specific capability provided by Managed service operations, not that separate benefit.

Question 745

A cloud team must define a repeatable infrastructure configuration under version control. Which AWS service or cloud concept is the MOST direct match for this need?

  1. AWS CloudFormation
  2. Hybrid cloud deployment
  3. AWS CLI
  4. AWS Outposts

Explanation

Correct Answer

A:

AWS CloudFormation fits the need because cloudFormation uses templates and stacks to create and manage supported AWS resources consistently. The relevant capability or responsibility is: Use AWS CloudFormation for infrastructure as code provisioning.

Incorrect Answers

B:

Hybrid cloud deployment is associated with a different use case: a bank must keep some applications on its own premises while using AWS for other services. A hybrid deployment model uses both on-premises environments and cloud infrastructure rather than moving every workload immediately. The question instead focuses on a cloud team must define a repeatable infrastructure configuration under version control; AWS CloudFormation is the more direct match.

C:

AWS CLI is associated with a different use case: an operations engineer wants to run repeatable AWS service commands from a terminal script. The AWS CLI exposes AWS service operations through command-line commands suitable for controlled automation. The question instead focuses on a cloud team must define a repeatable infrastructure configuration under version control; AWS CloudFormation is the more direct match.

D:

AWS Outposts is associated with a different use case: a manufacturer needs AWS-managed hardware and selected cloud services in its own facility. Outposts extends supported AWS infrastructure and services to customer locations where local processing or data needs apply. The question instead focuses on a cloud team must define a repeatable infrastructure configuration under version control; AWS CloudFormation is the more direct match.

Question 746

A hospital booking service must remain accessible even when one hosting location becomes unavailable. Which AWS service or cloud concept is the MOST direct match for this need?

  1. Elasticity
  2. High availability
  3. Pay-as-you-go consumption
  4. Scalability

Explanation

Correct Answer

B:

High availability fits the need because high availability focuses on minimizing service interruptions through redundancy and service continuity. The relevant capability or responsibility is: Keep the application accessible by using redundant resources and eliminating single points of failure.

Incorrect Answers

A:

Elasticity is associated with a different use case: an online store has unpredictable weekend traffic spikes followed by quiet weekdays. Elasticity aligns live capacity with changing workload demand so idle peak-sized resources do not remain continuously allocated. The question instead focuses on a hospital booking service must remain accessible even when one hosting location becomes unavailable; High availability is the more direct match.

C:

Pay-as-you-go consumption is associated with a different use case: a seasonal nonprofit wants computing only during a two-week annual campaign. Usage-based cloud charging can reduce upfront investment and better match cost to periods of actual consumption. The question instead focuses on a hospital booking service must remain accessible even when one hosting location becomes unavailable; High availability is the more direct match.

D:

Scalability is associated with a different use case: a research portal expects sustained growth from thousands to millions of visitors over several years. Scalability is the ability to handle greater load by adding resources or increasing their capacity as an organization grows. The question instead focuses on a hospital booking service must remain accessible even when one hosting location becomes unavailable; High availability is the more direct match.

Question 747

A company wants a conversational bot that interprets user requests in a customer service channel. Which AWS service or cloud concept is the MOST direct match for this need?

  1. Amazon SageMaker AI
  2. Amazon Quick
  3. Amazon Lex
  4. Amazon Kinesis

Explanation

Correct Answer

C:

Amazon Lex fits the need because lex provides conversational AI for chatbots and voice-enabled applications. The relevant capability or responsibility is: Use Amazon Lex for building conversational interfaces.

Incorrect Answers

A:

Amazon SageMaker AI is associated with a different use case: a machine learning team needs tools to build and deploy custom ML models. SageMaker AI supports building, training and deploying ML models rather than simply translating text. The question instead focuses on a company wants a conversational bot that interprets user requests in a customer service channel; Amazon Lex is the more direct match.

B:

Amazon Quick is associated with a different use case: a business wants dashboards and business intelligence over curated organizational data. Amazon Quick is the current AWS branding for business intelligence capabilities previously associated with QuickSight. The question instead focuses on a company wants a conversational bot that interprets user requests in a customer service channel; Amazon Lex is the more direct match.

D:

Amazon Kinesis is associated with a different use case: an application wants to capture and process a continuous stream of event records. Kinesis includes streaming data capabilities suitable for near-real-time events. The question instead focuses on a company wants a conversational bot that interprets user requests in a customer service channel; Amazon Lex is the more direct match.

Question 748

A developer only needs read access to one object storage bucket for a project. Which AWS service or cloud concept is the MOST direct match for this need?

  1. Identity federation
  2. Amazon Cognito
  3. IAM policies
  4. Principle of least privilege

Explanation

Correct Answer

D:

Principle of least privilege fits the need because least privilege restricts permissions to required actions and resources rather than granting broad administrator access. The relevant capability or responsibility is: Grant only the permissions necessary to perform approved duties.

Incorrect Answers

A:

Identity federation is associated with a different use case: a company wants staff to authenticate to AWS using its existing corporate identity provider. Federation integrates identity-provider authentication with AWS access, supporting centralized workforce identity management. The question instead focuses on a developer only needs read access to one object storage bucket for a project; Principle of least privilege is the more direct match.

B:

Amazon Cognito identity is associated with a different use case: a mobile application needs sign-up and authentication for its end users. Cognito focuses on end-user identity for web and mobile applications, not AWS workforce account administration. The question instead focuses on a developer only needs read access to one object storage bucket for a project; Principle of least privilege is the more direct match.

C:

IAM policies is associated with a different use case: a company needs a document specifying allowed or denied AWS actions on selected resources. An IAM policy expresses permissions; it is not itself a human identity or a network firewall. The question instead focuses on a developer only needs read access to one object storage bucket for a project; Principle of least privilege is the more direct match.

Question 749

Within the Security and Compliance domain, which business example MOST clearly illustrates Customer Lambda function code, rather than a different AWS concept?

  1. A Lambda function processes user data using application code written by a development team
  2. A company wants to ensure its application stores sensitive objects with required encryption settings
  3. A business contract requires some client records to remain in a specified geographic jurisdiction
  4. A technology leader compares the management obligations of EC2, RDS and Lambda

Explanation

Correct Answer

A:

The decisive requirement is: The customer is responsible for the function code and its business logic. This is the role of Customer Lambda function code. Serverless eliminates server administration for the customer, not their responsibility for their own application code and data handling.

Incorrect Answers

B:

This describes a scenario for Customer encryption choices: the customer chooses applicable encryption configuration and key-access policies. Managed services can provide encryption capabilities, but customers must select and govern settings needed for their data. It is not the most direct example of Customer Lambda function code.

C:

This describes a scenario for Customer choice of AWS Region: the customer selects where to deploy and store its workloads to meet residency rules. AWS provides available Regions, while the customer chooses deployment locations to meet its legal and organizational obligations. It is not the most direct example of Customer Lambda function code.

D:

This describes a scenario for Shared responsibility varies by service: customer operational responsibilities generally decrease as more service layers become AWS-managed. Responsibility depends on the service model: managing an EC2 guest OS differs from managing application code on Lambda. It is not the most direct example of Customer Lambda function code.

Question 750

Within the Cloud Concepts domain, which business example MOST clearly illustrates Rehosting migration, rather than a different AWS concept?

  1. A company can move a supported virtualized environment to AWS while maintaining its familiar virtualization stack
  2. A company wants to move an existing server-based application to AWS with minimal application changes
  3. An organization must transfer a very large volume of data from a remote site with insufficient network bandwidth
  4. A program manager needs a consolidated place to follow the progress of multiple migration activities

Explanation

Correct Answer

B:

The decisive requirement is: Move the existing workload largely as-is to cloud infrastructure. This is the role of Rehosting migration. Rehosting, often called lift and shift, relocates a workload without significant application redesign.

Incorrect Answers

A:

This describes a scenario for Relocating a workload: move compatible virtual machines or virtualized infrastructure with minimal change. Relocating retains much of the underlying virtualization model while shifting where it runs. It is not the most direct example of Rehosting migration.

C:

This describes a scenario for AWS Snow Family: use physical AWS data transfer devices where online transfer is impractical. AWS Snow devices support moving large datasets when transferring everything over a network is slow or constrained. It is not the most direct example of Rehosting migration.

D:

This describes a scenario for AWS Migration Hub: track application migration progress centrally. AWS Migration Hub provides visibility into discovered applications and migration activity across supported migration tools. It is not the most direct example of Rehosting migration.

AWS Certified Cloud Practitioner CLF-C02 Practice Tests