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Amazon AWS Certified Cloud Practitioner CLF-C02 Practice Test 28

Question 270

Within the Cloud Technology and Services domain, which business example MOST clearly illustrates Amazon Kinesis, rather than a different AWS concept?

  1. A business wants dashboards and business intelligence over curated organizational data
  2. An application wants to capture and process a continuous stream of event records
  3. A company wants a conversational bot that interprets user requests in a customer service channel
  4. A machine learning team needs tools to build and deploy custom ML models

Explanation

Correct Answer

B:

The decisive requirement is: Use Amazon Kinesis for real-time streaming data ingestion and processing use cases. This is the role of Amazon Kinesis. Kinesis includes streaming data capabilities suitable for near-real-time events.

Incorrect Answers

A:

This describes a scenario for Amazon Quick: use Amazon Quick for supported business intelligence and analytics experiences. Amazon Quick is the current AWS branding for business intelligence capabilities previously associated with QuickSight. It is not the most direct example of Amazon Kinesis.

C:

This describes a scenario for Amazon Lex: use Amazon Lex for building conversational interfaces. Lex provides conversational AI for chatbots and voice-enabled applications. It is not the most direct example of Amazon Kinesis.

D:

This describes a scenario for Amazon SageMaker AI: use Amazon SageMaker AI for managed machine learning development workflows. SageMaker AI supports building, training and deploying ML models rather than simply translating text. It is not the most direct example of Amazon Kinesis.

Question 271

A learner is explaining Amazon SNS to colleagues facing this situation: a monitoring event should send notifications to multiple subscribed endpoints. Which explanation is MOST accurate?

  1. EventBridge matches events against rules and directs them to supported targets.
  2. Step Functions models stateful application workflows and service coordination rather than storing the business records.
  3. SNS distributes published messages to subscribed destinations; it is not a relational database.
  4. SES provides email sending and related features for business application communications.

Explanation

Correct Answer

C:

SNS distributes published messages to subscribed destinations; it is not a relational database. The explanation directly connects Amazon SNS to use Amazon SNS for publish-subscribe notifications and fan-out for the stated requirement.

Incorrect Answers

A:

This statement is true of Amazon EventBridge, which addresses a SaaS app emits business events that must be routed to different AWS targets based on rules. It does not explain the particular role of Amazon SNS; SNS distributes published messages to subscribed destinations; it is not a relational database.

B:

This statement is true of AWS Step Functions, which addresses a business process needs a coordinated sequence of several AWS service tasks with branching states. It does not explain the particular role of Amazon SNS; SNS distributes published messages to subscribed destinations; it is not a relational database.

D:

This statement is true of Amazon SES, which addresses a company must send transactional confirmation emails from its application. It does not explain the particular role of Amazon SNS; SNS distributes published messages to subscribed destinations; it is not a relational database.

Question 272

A project manager compares AWS Management Console with other AWS concepts while considering this need: a business analyst occasionally needs to view AWS resources through a browser interface. Which pairing assigns the responsibilities or benefits correctly?

  1. AWS Management Console: support infrastructure as code provisioning; AWS CloudFormation: meet this requirement: a business analyst occasionally needs to view AWS resources through a browser interface
  2. AWS Management Console: combine on-premises infrastructure with cloud resources under a hybrid approach; Hybrid cloud deployment: meet this requirement: a business analyst occasionally needs to view AWS resources through a browser interface
  3. AWS Management Console: call service APIs from application code; AWS SDKs: meet this requirement: a business analyst occasionally needs to view AWS resources through a browser interface
  4. AWS Management Console: meet this requirement: a business analyst occasionally needs to view AWS resources through a browser interface; AWS CloudFormation: support infrastructure as code provisioning

Explanation

Correct Answer

D:

The first pairing identifies AWS Management Console with its actual role: manage and inspect AWS services with a graphical web interface. The AWS Management Console is a browser-based entry point for authorized AWS account users. The comparison is valid because AWS CloudFormation instead addresses use AWS CloudFormation for infrastructure as code provisioning.

Incorrect Answers

A:

The roles are swapped. AWS CloudFormation is associated with use AWS CloudFormation for infrastructure as code provisioning; AWS Management Console instead has the role: Manage and inspect AWS services with a graphical web interface. The AWS Management Console is a browser-based entry point for authorized AWS account users.

B:

The roles are swapped. Hybrid cloud deployment is associated with combine on-premises infrastructure with cloud resources under a hybrid approach; AWS Management Console instead has the role: Manage and inspect AWS services with a graphical web interface. The AWS Management Console is a browser-based entry point for authorized AWS account users.

C:

The roles are swapped. AWS SDKs is associated with use an AWS SDK to call service APIs from application code; AWS Management Console instead has the role: Manage and inspect AWS services with a graphical web interface. The AWS Management Console is a browser-based entry point for authorized AWS account users.

Question 273

A team wants managed compute for large-scale big-data frameworks such as Apache Spark. Which AWS service or cloud concept is the MOST direct match for this need?

  1. Amazon EMR
  2. AWS Glue
  3. Amazon Quick
  4. Amazon Athena

Explanation

Correct Answer

A:

Amazon EMR fits the need because eMR runs supported distributed analytics frameworks and is not a relational transaction service. The relevant capability or responsibility is: Use Amazon EMR for managed big-data processing frameworks.

Incorrect Answers

B:

AWS Glue is associated with a different use case: a data team needs managed data integration and metadata catalog features for analytics workloads. Glue supports preparing and cataloging data; it is not the primary object storage service. The question instead focuses on a team wants managed compute for large-scale big-data frameworks such as Apache Spark; Amazon EMR is the more direct match.

C:

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 team wants managed compute for large-scale big-data frameworks such as Apache Spark; Amazon EMR is the more direct match.

D:

Amazon Athena is associated with a different use case: an analyst needs to query data already stored in S3 using SQL without provisioning a database server. Athena is a serverless interactive query service for supported data sources such as S3. The question instead focuses on a team wants managed compute for large-scale big-data frameworks such as Apache Spark; Amazon EMR is the more direct match.

Question 274

Which AWS service or cloud principle is the BEST fit for this outcome or responsibility: enable supported cross-account resource sharing?

  1. AWS Knowledge Center
  2. AWS Resource Access Manager
  3. AWS security best practices
  4. Amazon Detective

Explanation

Correct Answer

B:

AWS Resource Access Manager directly addresses this outcome. AWS RAM manages sharing of eligible AWS resources with other accounts or organizational units, subject to permissions. A common relevant example is: two AWS accounts in one organization need to share supported resources without duplicating them.

Incorrect Answers

A:

AWS Knowledge Center instead focuses on a different requirement, such as an AWS user wants AWS-authored answers to common service troubleshooting and account questions. Knowledge Center provides guidance and answers; it is an information resource, not an active security enforcement tool. It is not the primary match for the requirement described here: enable supported cross-account resource sharing.

C:

AWS security best practices instead focuses on a different requirement, such as an organization needs general recommendations to harden AWS workloads. AWS security guidance supports safe decisions, while controls still need deliberate configuration by the customer. It is not the primary match for the requirement described here: enable supported cross-account resource sharing.

D:

Amazon Detective investigations instead focuses on a different requirement, such as an analyst wants to investigate relationships among security findings after suspicious activity is detected. Detective correlates supported signals for investigation; GuardDuty focuses on finding potential threats. It is not the primary match for the requirement described here: enable supported cross-account resource sharing.

Question 275

Within the Billing, Pricing, and Support domain, which business example MOST clearly illustrates EC2 On-Demand Instances, rather than a different AWS concept?

  1. An archive team needs to compare object storage costs between frequently accessed and rarely retrieved data
  2. An organization needs a physical host dedicated to its account for certain licensing or compliance needs
  3. A company needs compute capacity for a short unpredictable project and does not want a long commitment
  4. Finance wants to compare flexible compute consumption with paying less under a usage commitment

Explanation

Correct Answer

C:

The decisive requirement is: Pay for eligible compute usage without a long-term purchase commitment. This is the role of EC2 On-Demand Instances. On-Demand pricing gives flexible capacity for irregular or new workloads, generally without the discounts of eligible commitments.

Incorrect Answers

A:

This describes a scenario for S3 storage-class pricing: compare storage duration, retrieval charges and access characteristics of S3 classes. S3 storage classes have distinct storage, retrieval and minimum-duration attributes that influence total cost. It is not the most direct example of EC2 On-Demand Instances.

B:

This describes a scenario for Dedicated Hosts: use Dedicated Hosts when eligible licensing requires host visibility and control. Dedicated Hosts supply dedicated EC2 physical server capacity with characteristics useful for supported bring-your-own-license needs. It is not the most direct example of EC2 On-Demand Instances.

D:

This describes a scenario for Compute commitment flexibility: trade some flexibility for eligible discounted capacity or spending commitments. Commitment options can lower qualifying compute costs, but suitability depends on sustained predictable usage and terms. It is not the most direct example of EC2 On-Demand Instances.

Question 276

Which AWS service or cloud principle is the BEST fit for this outcome or responsibility: aWS maintains the physical host and underlying cloud virtualization infrastructure?

  1. AWS S3 infrastructure durability
  2. Customer data classification
  3. Customer EC2 guest operating system
  4. AWS EC2 host infrastructure

Explanation

Correct Answer

D:

AWS EC2 host infrastructure directly addresses this outcome. AWS is responsible for facilities, physical servers and underlying cloud infrastructure for EC2. A common relevant example is: a company uses EC2 but asks who maintains the hardware supporting its virtual machines.

Incorrect Answers

A:

AWS S3 infrastructure durability instead focuses on a different requirement, such as a customer asks who maintains the physical storage systems used by Amazon S3. AWS handles service infrastructure, while customers still control object permissions, classifications and retention requirements. It is not the primary match for the requirement described here: aWS maintains the physical host and underlying cloud virtualization infrastructure.

B:

Customer data classification instead focuses on a different requirement, such as a regulated company must identify which of its uploaded records contain sensitive personal information. AWS cannot determine the business sensitivity of customer content; data classification and applicable handling policies belong to the customer. It is not the primary match for the requirement described here: aWS maintains the physical host and underlying cloud virtualization infrastructure.

C:

Customer EC2 guest operating system instead focuses on a different requirement, such as a business runs its own Linux installation on an Amazon EC2 virtual machine. For EC2 the customer manages the guest OS, applications and their configuration while AWS manages underlying physical hosts. It is not the primary match for the requirement described here: aWS maintains the physical host and underlying cloud virtualization infrastructure.

Question 277

Which AWS service or cloud principle is the BEST fit for this outcome or responsibility: include facilities, hardware, operations, and staffing in a long-term cost comparison?

  1. Total cost of ownership
  2. Rightsizing
  3. Variable costs
  4. Operating expenditure

Explanation

Correct Answer

A:

Total cost of ownership directly addresses this outcome. Total cost of ownership considers direct and indirect costs, not only an instance hourly price. A common relevant example is: a finance director compares AWS migration with building another private data center.

Incorrect Answers

B:

Rightsizing instead focuses on a different requirement, such as a monthly review finds development servers consume little of their allocated CPU and memory. Rightsizing replaces persistently oversized resources with suitable capacities to improve cost efficiency. It is not the primary match for the requirement described here: include facilities, hardware, operations, and staffing in a long-term cost comparison.

C:

Variable costs instead focuses on a different requirement, such as a retailer wants lower cloud expenses during months with fewer transactions. Variable cost follows utilization or usage rather than remaining fixed at a pre-purchased capacity level. It is not the primary match for the requirement described here: include facilities, hardware, operations, and staffing in a long-term cost comparison.

D:

Operating expenditure instead focuses on a different requirement, such as a business pays recurring usage charges for AWS resources it uses this month. Variable cloud charges generally align with operating expense rather than a customer buying provider hardware. It is not the primary match for the requirement described here: include facilities, hardware, operations, and staffing in a long-term cost comparison.

Question 278

A shopping service needs fast in-memory access to frequently requested session information. Which AWS service or cloud concept is the MOST direct match for this need?

  1. Amazon Neptune
  2. Amazon ElastiCache
  3. Amazon DynamoDB
  4. Amazon Aurora

Explanation

Correct Answer

B:

Amazon ElastiCache fits the need because elastiCache reduces repeated backend reads by keeping appropriate data in memory for fast access. The relevant capability or responsibility is: Use Amazon ElastiCache for managed in-memory caching.

Incorrect Answers

A:

Amazon Neptune is associated with a different use case: a fraud team needs to query relationships and connections among entities. Neptune supports graph data models for workloads centered on relationships among connected entities. The question instead focuses on a shopping service needs fast in-memory access to frequently requested session information; Amazon ElastiCache is the more direct match.

C:

Amazon DynamoDB is associated with a different use case: a game needs low-latency access to large volumes of key-value player state without managing servers. DynamoDB supports key-value and document data models and is not a general-purpose relational SQL database. The question instead focuses on a shopping service needs fast in-memory access to frequently requested session information; Amazon ElastiCache is the more direct match.

D:

Amazon Aurora is associated with a different use case: a growing business wants a cloud-optimized managed relational engine compatible with MySQL or PostgreSQL. Aurora is an AWS-managed relational database designed for cloud operation and compatible with selected open-source SQL engines. The question instead focuses on a shopping service needs fast in-memory access to frequently requested session information; Amazon ElastiCache is the more direct match.

Question 279

A project manager compares Resource pooling with other AWS concepts while considering this need: several departments need separate virtual workloads without each purchasing dedicated physical machines. Which pairing assigns the responsibilities or benefits correctly?

  1. Resource pooling: delegate physical infrastructure operation to the cloud provider; Reduced infrastructure maintenance: share provider-managed infrastructure while retaining logical workload isolation
  2. Resource pooling: experiment and deliver changes rapidly using on-demand resources; Agility: share provider-managed infrastructure while retaining logical workload isolation
  3. Resource pooling: share provider-managed infrastructure while retaining logical workload isolation; Rapid experimentation: launch and remove temporary testing resources without permanent equipment purchases
  4. Resource pooling: launch and remove temporary testing resources without permanent equipment purchases; Rapid experimentation: share provider-managed infrastructure while retaining logical workload isolation

Explanation

Correct Answer

C:

The first pairing identifies Resource pooling with its actual role: share provider-managed infrastructure while retaining logical workload isolation. Cloud resource pooling supports multiple customers and workloads through provider-managed shared infrastructure with isolation controls. The comparison is valid because Rapid experimentation instead addresses launch and remove temporary testing resources without permanent equipment purchases.

Incorrect Answers

A:

The roles are swapped. Reduced infrastructure maintenance is associated with delegate physical infrastructure operation to the cloud provider; Resource pooling instead has the role: Share provider-managed infrastructure while retaining logical workload isolation. Cloud resource pooling supports multiple customers and workloads through provider-managed shared infrastructure with isolation controls.

B:

The roles are swapped. Agility is associated with experiment and deliver changes rapidly using on-demand resources; Resource pooling instead has the role: Share provider-managed infrastructure while retaining logical workload isolation. Cloud resource pooling supports multiple customers and workloads through provider-managed shared infrastructure with isolation controls.

D:

The roles are swapped. Rapid experimentation is associated with launch and remove temporary testing resources without permanent equipment purchases; Resource pooling instead has the role: Share provider-managed infrastructure while retaining logical workload isolation. Cloud resource pooling supports multiple customers and workloads through provider-managed shared infrastructure with isolation controls.

Question 280

A project manager compares Storage durability with other AWS concepts while considering this need: a photo service needs stored customer pictures to remain intact despite individual storage hardware failures. Which pairing assigns the responsibilities or benefits correctly?

  1. Storage durability: delegate physical infrastructure operation to the cloud provider; Reduced infrastructure maintenance: protect stored objects against underlying component failures
  2. Storage durability: maintain operation despite certain component failures; Fault tolerance: protect stored objects against underlying component failures
  3. Storage durability: keep the application accessible by using redundant resources and eliminating single points of failure; High availability: protect stored objects against underlying component failures
  4. Storage durability: protect stored objects against underlying component failures; Fault tolerance: maintain operation despite certain component failures

Explanation

Correct Answer

D:

The first pairing identifies Storage durability with its actual role: protect stored objects against underlying component failures. Durability describes the likelihood that stored data remains intact; it is different from immediate service accessibility. The comparison is valid because Fault tolerance instead addresses maintain operation despite certain component failures.

Incorrect Answers

A:

The roles are swapped. Reduced infrastructure maintenance is associated with delegate physical infrastructure operation to the cloud provider; Storage durability instead has the role: Protect stored objects against underlying component failures. Durability describes the likelihood that stored data remains intact; it is different from immediate service accessibility.

B:

The roles are swapped. Fault tolerance is associated with maintain operation despite certain component failures; Storage durability instead has the role: Protect stored objects against underlying component failures. Durability describes the likelihood that stored data remains intact; it is different from immediate service accessibility.

C:

The roles are swapped. High availability is associated with keep the application accessible by using redundant resources and eliminating single points of failure; Storage durability instead has the role: Protect stored objects against underlying component failures. Durability describes the likelihood that stored data remains intact; it is different from immediate service accessibility.

AWS Certified Cloud Practitioner CLF-C02 Practice Tests