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Amazon AWS Certified Cloud Practitioner CLF-C02 Practice Test 12

Question 110

A project manager compares Edge content delivery with other AWS concepts while considering this need: a media company serves static images to viewers in many countries and wants them delivered near viewers. Which pairing assigns the responsibilities or benefits correctly?

  1. Edge content delivery: experiment and deliver changes rapidly using on-demand resources; Agility: cache frequently requested content at locations closer to end users
  2. Edge content delivery: cache frequently requested content at locations closer to end users; Agility: experiment and deliver changes rapidly using on-demand resources
  3. Edge content delivery: deploy services geographically close to international users; Global reach: cache frequently requested content at locations closer to end users
  4. Edge content delivery: protect stored objects against underlying component failures; Storage durability: cache frequently requested content at locations closer to end users

Explanation

Correct Answer

B:

The first pairing identifies Edge content delivery with its actual role: cache frequently requested content at locations closer to end users. An edge content delivery network reduces distance to cached content and can improve latency for geographically distributed users. The comparison is valid because Agility instead addresses experiment and deliver changes rapidly using on-demand resources.

Incorrect Answers

A:

The roles are swapped. Agility is associated with experiment and deliver changes rapidly using on-demand resources; Edge content delivery instead has the role: Cache frequently requested content at locations closer to end users. An edge content delivery network reduces distance to cached content and can improve latency for geographically distributed users.

C:

The roles are swapped. Global reach is associated with deploy services geographically close to international users; Edge content delivery instead has the role: Cache frequently requested content at locations closer to end users. An edge content delivery network reduces distance to cached content and can improve latency for geographically distributed users.

D:

The roles are swapped. Storage durability is associated with protect stored objects against underlying component failures; Edge content delivery instead has the role: Cache frequently requested content at locations closer to end users. An edge content delivery network reduces distance to cached content and can improve latency for geographically distributed users.

Question 111

A team adopts Lambda and asks who handles physical servers for function execution. Which AWS service or cloud concept is the MOST direct match for this need?

  1. Customer EC2 security groups
  2. Customer data classification
  3. AWS Lambda runtime infrastructure
  4. Customer Lambda function code

Explanation

Correct Answer

C:

AWS Lambda runtime infrastructure fits the need because lambda abstracts away host provisioning and infrastructure operation, while customers remain accountable for their function code and permissions. The relevant capability or responsibility is: AWS manages the underlying compute infrastructure for Lambda execution.

Incorrect Answers

A:

Customer EC2 security groups is associated with a different use case: a project owner must restrict which network connections can reach an EC2 instance. Customers control security-group configuration for their EC2 workloads even though AWS operates the network infrastructure. The question instead focuses on a team adopts Lambda and asks who handles physical servers for function execution; AWS Lambda runtime infrastructure is the more direct match.

B:

Customer data classification is associated with a different use case: 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. The question instead focuses on a team adopts Lambda and asks who handles physical servers for function execution; AWS Lambda runtime infrastructure is the more direct match.

D:

Customer Lambda function code is associated with a different use case: a Lambda function processes user data using application code written by a development team. Serverless eliminates server administration for the customer, not their responsibility for their own application code and data handling. The question instead focuses on a team adopts Lambda and asks who handles physical servers for function execution; AWS Lambda runtime infrastructure is the more direct match.

Question 112

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

  1. A startup needs to launch a pilot environment within hours rather than wait for a server purchase
  2. A photo service needs stored customer pictures to remain intact despite individual storage hardware failures
  3. A hospital booking service must remain accessible even when one hosting location becomes unavailable
  4. A payment-processing workload must continue processing transactions when an individual component unexpectedly fails

Explanation

Correct Answer

D:

The decisive requirement is: Maintain operation despite certain component failures. This is the role of Fault tolerance. Fault tolerance keeps service functioning when failures happen, often through replicated or redundant components.

Incorrect Answers

A:

This describes a scenario for Agility: experiment and deliver changes rapidly using on-demand resources. Cloud agility helps teams provision resources quickly and test business ideas without waiting for lengthy hardware procurement. It is not the most direct example of Fault tolerance.

B:

This describes a scenario for Storage durability: protect stored objects against underlying component failures. Durability describes the likelihood that stored data remains intact; it is different from immediate service accessibility. It is not the most direct example of Fault tolerance.

C:

This describes a scenario for High availability: keep the application accessible by using redundant resources and eliminating single points of failure. High availability focuses on minimizing service interruptions through redundancy and service continuity. It is not the most direct example of Fault tolerance.

Question 113

A stakeholder is considering Amazon SQS because an order processing system wants queued messages so producers and workers do not need to run at the same speed. What is the MOST relevant capability or benefit?

  1. Decouple components with durable message queues
  2. Enable supported Internet of Things device connectivity
  3. Support application email delivery
  4. Support publish-subscribe notifications and fan-out

Explanation

Correct Answer

A:

Use Amazon SQS to decouple components with durable message queues. SQS buffers work items for asynchronous consumption, unlike a publish-subscribe notification fan-out service. The stated need is specifically an order processing system wants queued messages so producers and workers do not need to run at the same speed.

Incorrect Answers

B:

This outcome fits AWS IoT Core: IoT Core helps connect and manage communications with devices, not an end-user email service. The stakeholder requires the more specific capability provided by Amazon SQS, not that separate benefit.

C:

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 SQS, not that separate benefit.

D:

This outcome fits Amazon SNS: SNS distributes published messages to subscribed destinations; it is not a relational database. The stakeholder requires the more specific capability provided by Amazon SQS, not that separate benefit.

Question 114

Which AWS service or cloud principle is the BEST fit for this outcome or responsibility: adjust allocated resources upward and downward as actual demand changes?

  1. Edge content delivery
  2. Elasticity
  3. Resource pooling
  4. Managed service operations

Explanation

Correct Answer

B:

Elasticity directly addresses this outcome. Elasticity aligns live capacity with changing workload demand so idle peak-sized resources do not remain continuously allocated. A common relevant example is: an online store has unpredictable weekend traffic spikes followed by quiet weekdays.

Incorrect Answers

A:

Edge content delivery instead focuses on a different requirement, such as a media company serves static images to viewers in many countries and wants them delivered near viewers. An edge content delivery network reduces distance to cached content and can improve latency for geographically distributed users. It is not the primary match for the requirement described here: adjust allocated resources upward and downward as actual demand changes.

C:

Resource pooling instead focuses on a different requirement, such as several departments need separate virtual workloads without each purchasing dedicated physical machines. Cloud resource pooling supports multiple customers and workloads through provider-managed shared infrastructure with isolation controls. It is not the primary match for the requirement described here: adjust allocated resources upward and downward as actual demand changes.

D:

Managed service operations instead focuses on a different requirement, such as an analytics team prefers a managed database rather than operating its own database host. Managed AWS offerings take on selected provisioning and maintenance tasks while customers remain responsible for their data and access policies. It is not the primary match for the requirement described here: adjust allocated resources upward and downward as actual demand changes.

Question 115

A project manager compares AWS PrivateLink with other AWS concepts while considering this need: a customer wants private access to a supported service without exposing traffic through public IP endpoints. Which pairing assigns the responsibilities or benefits correctly?

  1. AWS PrivateLink: support encrypted hybrid network connectivity; AWS Site-to-Site VPN: support private service connectivity from a VPC
  2. AWS PrivateLink: divide VPC address space into smaller networks; VPC subnets: support private service connectivity from a VPC
  3. AWS PrivateLink: support private service connectivity from a VPC; AWS Direct Connect: support dedicated network connectivity to AWS
  4. AWS PrivateLink: support dedicated network connectivity to AWS; AWS Direct Connect: support private service connectivity from a VPC

Explanation

Correct Answer

C:

The first pairing identifies AWS PrivateLink with its actual role: use AWS PrivateLink for private service connectivity from a VPC. PrivateLink uses VPC endpoints to access supported services over private connectivity without traversing the public internet. The comparison is valid because AWS Direct Connect instead addresses use AWS Direct Connect for dedicated network connectivity to AWS.

Incorrect Answers

A:

The roles are swapped. AWS Site-to-Site VPN is associated with use AWS Site-to-Site VPN for encrypted hybrid network connectivity; AWS PrivateLink instead has the role: Use AWS PrivateLink for private service connectivity from a VPC. PrivateLink uses VPC endpoints to access supported services over private connectivity without traversing the public internet.

B:

The roles are swapped. VPC subnets is associated with use VPC subnets to divide VPC address space into smaller networks; AWS PrivateLink instead has the role: Use AWS PrivateLink for private service connectivity from a VPC. PrivateLink uses VPC endpoints to access supported services over private connectivity without traversing the public internet.

D:

The roles are swapped. AWS Direct Connect is associated with use AWS Direct Connect for dedicated network connectivity to AWS; AWS PrivateLink instead has the role: Use AWS PrivateLink for private service connectivity from a VPC. PrivateLink uses VPC endpoints to access supported services over private connectivity without traversing the public internet.

Question 116

A media team wants managed analysis of image or video content without developing its own vision model. Which AWS service or cloud concept is the MOST direct match for this need?

  1. Amazon Quick
  2. Amazon Lex
  3. Amazon Athena
  4. Amazon Rekognition

Explanation

Correct Answer

D:

Amazon Rekognition fits the need because rekognition applies pretrained computer vision to supported image and video analysis tasks. The relevant capability or responsibility is: Use Amazon Rekognition for image and video analysis capabilities.

Incorrect Answers

A:

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 media team wants managed analysis of image or video content without developing its own vision model; Amazon Rekognition is the more direct match.

B:

Amazon Lex is associated with a different use case: a company wants a conversational bot that interprets user requests in a customer service channel. Lex provides conversational AI for chatbots and voice-enabled applications. The question instead focuses on a media team wants managed analysis of image or video content without developing its own vision model; Amazon Rekognition is the more direct match.

C:

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 media team wants managed analysis of image or video content without developing its own vision model; Amazon Rekognition is the more direct match.

Question 117

A stakeholder is considering Amazon ECS because an application team needs AWS-native orchestration of container workloads. What is the MOST relevant capability or benefit?

  1. Manage containerized applications
  2. Meet this requirement: an analytics node needs high local disk throughput for temporary data processing
  3. Distribute inbound traffic among healthy application targets
  4. Meet this requirement: a business runs an application that needs very large in-memory data structures

Explanation

Correct Answer

A:

Use Amazon Elastic Container Service to manage containerized applications. ECS manages deployment and scheduling of containers, with eligible EC2 or Fargate capacity options. The stated need is specifically an application team needs AWS-native orchestration of container workloads.

Incorrect Answers

B:

This outcome fits Storage-optimized EC2: Storage-optimized instance families are designed for high local storage I/O and throughput needs. The stakeholder requires the more specific capability provided by Amazon ECS, not that separate benefit.

C:

This outcome fits Elastic Load Balancing: Elastic Load Balancing routes requests or connections to available targets rather than relying on one application instance. The stakeholder requires the more specific capability provided by Amazon ECS, not that separate benefit.

D:

This outcome fits Memory-optimized EC2: Memory-optimized instances emphasize memory capacity relative to processing, fitting memory-intensive workloads. The stakeholder requires the more specific capability provided by Amazon ECS, not that separate benefit.

Question 118

A stakeholder is considering Amazon EBS because a database server on EC2 needs persistent block storage beyond the life of one specific host. What is the MOST relevant capability or benefit?

  1. Support infrequently accessed objects with rapid access needs
  2. Support persistent EC2 block storage
  3. Support very rarely accessed long-term archival data
  4. Manage backup plans and retention for supported services

Explanation

Correct Answer

B:

Use Amazon EBS volumes for persistent EC2 block storage. EBS provides network-attached block volumes with persistence and snapshot capabilities subject to volume type and configuration. The stated need is specifically a database server on EC2 needs persistent block storage beyond the life of one specific host.

Incorrect Answers

A:

This outcome fits S3 Standard-Infrequent Access: S3 Standard-IA has lower storage charges but access and minimum-duration considerations compared with frequently accessed classes. The stakeholder requires the more specific capability provided by Amazon EBS, not that separate benefit.

C:

This outcome fits S3 Glacier Deep Archive: Deep Archive prioritizes low storage cost and accepts retrieval delays, unlike immediately accessed S3 classes. The stakeholder requires the more specific capability provided by Amazon EBS, not that separate benefit.

D:

This outcome fits AWS Backup: AWS Backup centralizes backup administration across supported resources; it is separate from normal object lifecycle transitions. The stakeholder requires the more specific capability provided by Amazon EBS, not that separate benefit.

Question 119

A learner is explaining Customer choice of AWS Region to colleagues facing this situation: a business contract requires some client records to remain in a specified geographic jurisdiction. Which explanation is MOST accurate?

  1. Serverless eliminates server administration for the customer, not their responsibility for their own application code and data handling.
  2. Selecting a managed database does not transfer responsibility for customer identities and data authorization to AWS.
  3. AWS provides available Regions, while the customer chooses deployment locations to meet its legal and organizational obligations.
  4. AWS handles service infrastructure, while customers still control object permissions, classifications and retention requirements.

Explanation

Correct Answer

C:

AWS provides available Regions, while the customer chooses deployment locations to meet its legal and organizational obligations. The explanation directly connects Customer choice of AWS Region to the customer selects where to deploy and store its workloads to meet residency rules for the stated requirement.

Incorrect Answers

A:

This statement is true of Customer Lambda function code, which addresses a Lambda function processes user data using application code written by a development team. It does not explain the particular role of Customer choice of AWS Region; AWS provides available Regions, while the customer chooses deployment locations to meet its legal and organizational obligations.

B:

This statement is true of Customer RDS data permissions, which addresses an RDS database stores sensitive customer records and must restrict user privileges. It does not explain the particular role of Customer choice of AWS Region; AWS provides available Regions, while the customer chooses deployment locations to meet its legal and organizational obligations.

D:

This statement is true of AWS S3 infrastructure durability, which addresses a customer asks who maintains the physical storage systems used by Amazon S3. It does not explain the particular role of Customer choice of AWS Region; AWS provides available Regions, while the customer chooses deployment locations to meet its legal and organizational obligations.

Question 120

Which AWS service or cloud principle is the BEST fit for this outcome or responsibility: maintain operation despite certain component failures?

  1. Storage durability
  2. Rapid experimentation
  3. High availability
  4. Fault tolerance

Explanation

Correct Answer

D:

Fault tolerance directly addresses this outcome. Fault tolerance keeps service functioning when failures happen, often through replicated or redundant components. A common relevant example is: a payment-processing workload must continue processing transactions when an individual component unexpectedly fails.

Incorrect Answers

A:

Storage durability instead focuses on a different requirement, such as a photo service needs stored customer pictures to remain intact despite individual storage hardware failures. Durability describes the likelihood that stored data remains intact; it is different from immediate service accessibility. It is not the primary match for the requirement described here: maintain operation despite certain component failures.

B:

Rapid experimentation instead focuses on a different requirement, such as a product group wants to run several short-lived proofs of concept at low initial commitment. On-demand cloud environments make experiments easier to start and stop as new ideas are evaluated. It is not the primary match for the requirement described here: maintain operation despite certain component failures.

C:

High availability instead focuses on a different requirement, such as a hospital booking service must remain accessible even when one hosting location becomes unavailable. High availability focuses on minimizing service interruptions through redundancy and service continuity. It is not the primary match for the requirement described here: maintain operation despite certain component failures.

AWS Certified Cloud Practitioner CLF-C02 Practice Tests