Step2Study

AWS Certified Cloud Practitioner (CLF-C02) practice questions

200 free questions with answers and explanations.

Practice test
  1. 151.A company's architecture team decides to deploy an application across three Availability Zones with duplicated databases and load balancers to maximize fault tolerance. The finance team notes this design significantly increases monthly AWS spending compared to a single-AZ deployment. This scenario best illustrates a trade-off between which two Well-Architected Framework pillars?Cloud Concepts
  2. 152.A company is beginning its migration journey using the AWS migration phases. In this phase, the company builds a business case, conducts a portfolio assessment, and creates a landing zone with foundational networking, identity, and security services before any workloads are migrated. Which migration phase is the company in?Cloud Concepts
  3. 153.A company runs a steady-state EC2 workload that costs $0.20 per hour On-Demand. The company purchases a Compute Savings Plan that reduces the effective hourly rate to $0.14 per hour for that usage. Assuming the instance runs continuously for a 730-hour month, how much does the company save per month by using the Savings Plan compared to On-Demand pricing?Cloud Concepts
  4. 154.A company currently dedicates significant staff time and budget to power, cooling, and physical security of its on-premises servers. After migrating to AWS, the company reassigns this staff to work on customer-facing features instead of infrastructure maintenance. Which cloud benefit does this scenario best illustrate?Cloud Concepts
  5. 155.A company is designing a new cloud-native application on AWS. They want to ensure that the application can automatically recover from infrastructure or service failures. Which AWS Well-Architected Framework pillar primarily focuses on this aspect?Cloud Concepts
  6. 156.A client is evaluating moving their on-premises applications to AWS. They are particularly interested in reducing the need to provision dedicated hardware and managing complex infrastructure. Which AWS cloud benefit primarily addresses this concern?Cloud Concepts
  7. 157.A video streaming service experiences unpredictable spikes in demand during major live events. They need a solution that can automatically adjust computing capacity to match demand without manual intervention, ensuring a smooth user experience while optimizing costs. Which AWS cloud benefit primarily addresses this requirement?Cloud Concepts
  8. 158.An enterprise-level company wants to migrate its entire data center to AWS. Before starting the migration, they need to thoroughly assess their current environment, identify migration blockers, and build a detailed business case for the cloud. Which phase of the AWS cloud migration process does this activity primarily fall under?Cloud Concepts
  9. 159.A small startup is considering migrating its entire IT infrastructure to AWS. They are particularly interested in a strategy that involves moving applications and databases without making significant changes to the code or architecture. Which AWS migration strategy (one of the 7 Rs) best fits this requirement?Cloud Concepts
  10. 160.A large enterprise is planning a complex migration of its on-premises data centers to AWS. They want to ensure that their organizational structure, roles, and responsibilities are aligned with cloud adoption, and that their staff has the necessary skills. Which perspective of the AWS Cloud Adoption Framework (CAF) should they focus on for this aspect of their migration?Cloud Concepts
  11. 161.A financial services company is developing a new trading application that requires extremely low latency and high transaction throughput. They are evaluating the AWS Well-Architected Framework to guide their design. Which pillar should be their primary focus to ensure the application meets these performance requirements?Cloud Concepts
  12. 162.A university is looking to migrate its student information system to AWS. The system currently runs on an aging, highly customized database that is not easily portable to cloud-native managed services without significant code changes. The university wants to preserve the existing database for now, but move the application servers to AWS to gain elasticity. Which migration strategy (one of the 7 Rs) is most appropriate for the database in this scenario?Cloud Concepts
  13. 163.A startup is building a new application that processes large volumes of sensor data from IoT devices. They anticipate periods of very high data ingestion, followed by periods of low activity. They want to ensure their application can handle these fluctuating loads without manual intervention and only pay for the resources consumed. Which cloud characteristic best supports this requirement?Cloud Concepts
  14. 164.A company is performing a cloud migration readiness assessment using the AWS Cloud Adoption Framework (CAF). They are currently evaluating how their existing IT asset management, portfolio management, and licensing will adapt to the cloud environment. Which CAF perspective is primarily concerned with these areas?Cloud Concepts
  15. 165.A small non-profit organization is planning to host its new donation platform on AWS. They have a limited budget and want to ensure their infrastructure costs are predictable each month. Which AWS billing feature should they primarily consider to achieve cost predictability for their compute resources?Cloud Concepts
  16. 166.A company is considering migrating its on-premises infrastructure to AWS. They currently have a significant upfront investment in hardware and data center facilities. They are interested in a pricing model that allows them to pay only for the compute, storage, and other resources they actually use, without large initial capital expenditures. Which AWS cloud economics concept best describes this benefit?Cloud Concepts
  17. 167.A financial institution is planning to migrate a highly regulated legacy application to AWS. They are concerned about maintaining strict compliance standards and ensuring only authorized personnel can access sensitive data. Which AWS Well-Architected Framework pillar should be their primary focus for these concerns?Cloud Concepts
  18. 168.A global media company is designing a new video streaming platform on AWS. They need to ensure that the platform can automatically adjust its capacity to handle sudden, massive spikes in viewer traffic during live events, returning to normal capacity afterward to minimize costs. Which benefit of cloud computing does this scenario primarily describe?Cloud Concepts
  19. 169.A global company needs to deploy a new application that will serve customers in North America, Europe, and Asia. They want to minimize latency for all users and ensure data residency compliance for specific regions. Which AWS cloud benefit is most relevant to achieving these goals?Cloud Concepts
  20. 170.A data analytics company is migrating its large-scale data processing workloads to AWS. They want to leverage AWS's ability to offer lower prices for services due to its massive infrastructure and operational efficiencies. Which AWS cloud economics concept best describes this advantage?Cloud Concepts
  21. 171.An e-commerce company is experiencing inconsistent website traffic, with peak loads during holiday sales and very low traffic during off-peak seasons. They want to avoid over-provisioning resources and only pay for the capacity they actually use. Which AWS cloud benefit directly supports this goal?Cloud Concepts
  22. 172.A highly innovative startup is developing a new AI-powered recommendation engine. They need to rapidly experiment with different machine learning models and deploy new features frequently without being constrained by long procurement cycles for hardware or complex infrastructure setup. Which AWS cloud benefit is most crucial for this startup's success?Cloud Concepts
  23. 173.A data engineering team needs a centralized service to collect, store, and analyze operational logs from various AWS services and applications. They require real-time monitoring of these logs, the ability to search through them, and to create alarms based on specific log patterns. Which AWS service is designed for this purpose?Cloud Technology and Services
  24. 174.A manufacturing company needs to store sensor data from IoT devices for long-term archival. The data is rarely accessed (perhaps once a year) but must be retained for compliance reasons for several decades. Cost-effectiveness is a primary concern, and retrieval times of several hours are acceptable. Which Amazon S3 storage class is MOST appropriate?Cloud Technology and Services
  25. 175.A global company needs to store customer data across multiple AWS Regions to ensure low latency access for users worldwide and to meet data residency requirements. They require a fully managed NoSQL database that automatically replicates data across these regions. Which AWS service should they use?Cloud Technology and Services
  26. 176.A company is hosting a web application on AWS and wants to ensure high availability and fault tolerance. They have deployed their application across multiple EC2 instances. To distribute incoming traffic evenly across these instances and automatically route around unhealthy ones, which service should they use?Cloud Technology and Services
  27. 177.A consulting firm needs to set up a secure and isolated network environment in AWS for a new client. This environment must have a dedicated IP address range, subnets configured for both public and private resources, and custom route tables to control traffic flow. Which AWS networking service is the foundational component for creating this isolated network?Cloud Technology and Services
  28. 178.A startup is building a new serverless application that needs to store frequently accessed user profile data, which requires extremely low-latency reads and writes. The data volume is expected to grow unpredictably, and the application requires millisecond response times. Which AWS database service should the startup choose to meet these requirements MOST cost-effectively?Cloud Technology and Services
  29. 179.A company is designing a new application that will process sensitive customer data. They need to ensure that all network traffic between their EC2 instances and an Amazon S3 bucket remains entirely within the AWS network and does not traverse the public internet. This connection must be private and secure. Which AWS service or feature enables this?Cloud Technology and Services
  30. 180.A data processing company needs to store petabytes of historical sensor data for long-term archiving. This data is rarely accessed (perhaps once a year or less) but must be retained for regulatory compliance for several decades. Retrieval times can be flexible, ranging from minutes to hours. Which Amazon S3 storage class is the MOST cost-effective for this requirement?Cloud Technology and Services
  31. 181.A small startup is developing a new mobile game and anticipates unpredictable spikes in user traffic, especially during promotional events. They need a database that can handle millions of requests per second with single-digit millisecond latency, without requiring them to provision or manage servers. Which AWS database service is BEST suited for this requirement?Cloud Technology and Services
  32. 182.A media company is launching a new video streaming platform and anticipates millions of concurrent viewers during peak events. They need a service that can deliver video content globally with low latency, high transfer speeds, and automatically scale to handle massive traffic spikes. Which AWS service is purpose-built for this use case?Cloud Technology and Services
  33. 183.A company is designing a new application that will process sensitive customer data. They need to ensure that their EC2 instances can securely access Amazon S3 buckets without traversing the public internet. Which AWS networking component should they use to achieve this?Cloud Technology and Services
  34. 184.A security auditor needs to centrally collect and analyze logs from various AWS services, including VPC Flow Logs, CloudTrail logs, and application logs from EC2 instances. They require a highly scalable and durable service that can store these logs for long periods and allow for real-time monitoring and searching. Which AWS service is BEST suited for this task?Cloud Technology and Services
  35. 185.A company is developing a new cloud-native application that requires a highly available, scalable, and fully managed message queuing service to decouple microservices. Messages must be delivered at least once, and the order of messages is not critical. Which AWS service is MOST suitable for this requirement?Cloud Technology and Services
  36. 186.A company is auditing its AWS environment and discovers that some EC2 instances are running in an Availability Zone that is experiencing higher latency to its users compared to other Availability Zones in the same Region. They want to shift traffic away from this high-latency AZ and distribute it more efficiently to other healthy AZs. Which AWS service can help them achieve this dynamic traffic management?Cloud Technology and Services
  37. 187.A company is developing a new serverless application that requires a highly available and scalable message queue to decouple microservices. Messages must be processed at least once, and the queue needs to support a high volume of concurrent requests. Which AWS service should the company use?Cloud Technology and Services
  38. 188.A global conglomerate needs to host a highly available, high-performance, and scalable file system that can be shared across thousands of EC2 instances running Linux in multiple Availability Zones within an AWS Region. The file system must support concurrent access from these instances and automatically grow and shrink as data is added or removed. Which AWS storage service is BEST suited for this requirement?Cloud Technology and Services
  39. 189.A data analytics company needs to process large streams of customer clickstream data in real-time to gain immediate insights into user behavior. The solution must be highly scalable and durable, capable of handling varying data volumes. Which AWS service is best suited for this purpose?Cloud Technology and Services
  40. 190.A global enterprise needs to securely connect its on-premises data centers to its Amazon VPCs without sending traffic over the public internet. The solution must support multiple network connections and provide high availability. Which AWS service should the enterprise use?Cloud Technology and Services
  41. 191.A startup is building a new application and wants to use containers to package their microservices. They prefer not to manage the underlying servers (EC2 instances) for their container orchestration platform. They need a serverless compute engine for their containers. Which AWS service combination BEST meets this requirement?Cloud Technology and Services
  42. 192.A financial institution requires a database that is compliant with strict regulatory standards, offers high availability with automatic failover, and needs to scale storage and compute independently. The database must be fully managed and compatible with existing MySQL applications. Which AWS database service is the MOST appropriate choice?Cloud Technology and Services
  43. 193.A company is migrating its on-premises virtual machines to AWS. They want to ensure that their EC2 instances are isolated at the network level and can communicate securely with each other using private IP addresses. They also need to control inbound and outbound traffic to these instances with stateful firewall rules. Which AWS networking component provides this functionality?Cloud Technology and Services
  44. 194.A company is planning to deploy a new web application in AWS and needs to ensure that it has a dedicated, isolated network environment. They need full control over IP address ranges, subnets, route tables, and network gateways. Which AWS service provides this foundational networking capability?Cloud Technology and Services
  45. 195.A global e-commerce company needs to deploy its application across multiple AWS Regions to ensure business continuity and disaster recovery. They want to store customer order data in a database that automatically replicates across these Regions with fast, local read access for users in each Region. Which AWS database service is designed for this global replication and read access?Cloud Technology and Services
  46. 196.A developer is building a serverless application that needs to execute short-lived, event-driven code functions in response to various triggers, such as HTTP requests or changes in data. The developer wants to pay only for the compute time consumed. Which AWS service should they use?Cloud Technology and Services
  47. 197.A data analytics company needs to process large streams of customer clickstream data in real-time. They require a highly scalable and durable messaging queue that can handle millions of messages per second, ensuring that no messages are lost and that messages are processed in the order they were received for each user session. Which AWS service is best suited for this use case?Cloud Technology and Services
  48. 198.A media company is launching a new video streaming platform and anticipates millions of concurrent users globally. They need to ensure that video content is delivered with the lowest possible latency and highest availability to users located across different continents. Which AWS service should be used to achieve this goal?Cloud Technology and Services
  49. 199.A global e-commerce company needs to distribute its static website content (HTML, CSS, JavaScript, images) to customers worldwide with low latency and high transfer speeds. They also want to reduce the load on their origin servers. Which AWS service should they use?Cloud Technology and Services
  50. 200.A development team wants to deploy a new web application rapidly without managing underlying servers or scaling infrastructure. The application consists of containerized microservices. They need a service that automatically provisions and scales the compute capacity for their containers. Which AWS service should they use?Cloud Technology and Services