Amazon AWS Certified Cloud Practitioner CLF-C02 Practice Test 82
Question 810
Which AWS service or cloud principle is the BEST fit for this outcome or responsibility: track application migration progress centrally?
- Retiring an application
- AWS Migration Hub
- AWS Cloud Adoption Framework
- Replatforming migration
Explanation
Correct Answer
B:AWS Migration Hub directly addresses this outcome. AWS Migration Hub provides visibility into discovered applications and migration activity across supported migration tools. A common relevant example is: a program manager needs a consolidated place to follow the progress of multiple migration activities.
Incorrect Answers
A:Retiring an application instead focuses on a different requirement, such as an inventory review discovers a legacy reporting system with no users or business dependency. Retiring eliminates redundant or unused workloads so migration effort is not spent on systems with no continuing value. It is not the primary match for the requirement described here: track application migration progress centrally.
C:AWS Cloud Adoption Framework instead focuses on a different requirement, such as executives need a structured view of people, governance, business, platform, security, and operations during cloud adoption. AWS CAF helps align business and technology stakeholders throughout cloud adoption instead of treating migration as a server-copy exercise. It is not the primary match for the requirement described here: track application migration progress centrally.
D:Replatforming migration instead focuses on a different requirement, such as a company moves an application to AWS and also adopts a managed database without rebuilding its business logic. Replatforming adjusts selected supporting components to gain cloud benefits without a full application rewrite. It is not the primary match for the requirement described here: track application migration progress centrally.
Question 811
A project manager compares Amazon S3 with other AWS concepts while considering this need: a business stores images and documents as objects accessed using service APIs. Which pairing assigns the responsibilities or benefits correctly?
- Amazon S3: support infrequently accessed objects with rapid access needs; S3 Standard-IA: support scalable object storage
- Amazon S3: support managed shared file storage; Amazon EFS: support scalable object storage
- Amazon S3: support scalable object storage; S3 Standard-IA: support infrequently accessed objects with rapid access needs
- Amazon S3: support frequently accessed object data; S3 Standard: support scalable object storage
Explanation
Correct Answer
C:The first pairing identifies Amazon S3 with its actual role: use Amazon S3 for scalable object storage. S3 stores data as objects in buckets; it is not an attachable EC2 block device or shared POSIX file system. The comparison is valid because S3 Standard-Infrequent Access instead addresses use S3 Standard-IA for infrequently accessed objects with rapid access needs.
Incorrect Answers
A:The roles are swapped. S3 Standard-IA is associated with use S3 Standard-IA for infrequently accessed objects with rapid access needs; Amazon S3 instead has the role: Use Amazon S3 for scalable object storage. S3 stores data as objects in buckets; it is not an attachable EC2 block device or shared POSIX file system.
B:The roles are swapped. Amazon EFS is associated with use Amazon Elastic File System for managed shared file storage; Amazon S3 instead has the role: Use Amazon S3 for scalable object storage. S3 stores data as objects in buckets; it is not an attachable EC2 block device or shared POSIX file system.
D:The roles are swapped. S3 Standard is associated with use S3 Standard for frequently accessed object data; Amazon S3 instead has the role: Use Amazon S3 for scalable object storage. S3 stores data as objects in buckets; it is not an attachable EC2 block device or shared POSIX file system.
Question 812
Within the Cloud Technology and Services domain, which business example MOST clearly illustrates Compute-optimized EC2, rather than a different AWS concept?
- A retail site needs more EC2 instances during traffic spikes and fewer when usage falls
- A small business wants a straightforward virtual private server with bundled resources
- An online form should run short application code only when events occur without managing servers
- A simulation workload spends most of its time performing CPU-intensive numerical calculations
Explanation
Correct Answer
D:The decisive requirement is: Choose an EC2 compute-optimized instance family for CPU-heavy work. This is the role of Compute-optimized EC2. Compute-optimized instances provide a high ratio of compute performance for suitable CPU-bound applications.
Incorrect Answers
A:This describes a scenario for EC2 Auto Scaling: use Amazon EC2 Auto Scaling to adjust instance capacity based on demand. EC2 Auto Scaling can add or remove instances based on policies to help meet capacity and availability needs. It is not the most direct example of Compute-optimized EC2.
B:This describes a scenario for Amazon Lightsail: use Amazon Lightsail for simplified cloud hosting. Lightsail offers simple virtual server and related resource plans for common small applications and websites. It is not the most direct example of Compute-optimized EC2.
C:This describes a scenario for AWS Lambda: use AWS Lambda for event-driven serverless function execution. Lambda executes event-triggered code without the customer managing underlying servers, subject to service limits. It is not the most direct example of Compute-optimized EC2.
Question 813
Within the Cloud Technology and Services domain, which business example MOST clearly illustrates EC2 instance store, rather than a different AWS concept?
- A rendering workload needs high-performance temporary local scratch data that may be lost with its instance
- A business stores images and documents as objects accessed using service APIs
- An on-premises application needs familiar file or storage interfaces connected to AWS cloud storage
- A regulator requires long-term retention of records that will almost never be retrieved
Explanation
Correct Answer
A:The decisive requirement is: Use instance store for eligible ephemeral EC2 local storage. This is the role of EC2 instance store. Instance store provides temporary local storage whose data does not have the durability properties of an EBS volume.
Incorrect Answers
B:This describes a scenario for Amazon S3 object storage: use Amazon S3 for scalable object storage. S3 stores data as objects in buckets; it is not an attachable EC2 block device or shared POSIX file system. It is not the most direct example of EC2 instance store.
C:This describes a scenario for AWS Storage Gateway: use AWS Storage Gateway to bridge local storage access to AWS. Storage Gateway supports hybrid storage patterns and local caching for selected AWS-backed interfaces. It is not the most direct example of EC2 instance store.
D:This describes a scenario for S3 Glacier Deep Archive: use S3 Glacier Deep Archive for very rarely accessed long-term archival data. Deep Archive prioritizes low storage cost and accepts retrieval delays, unlike immediately accessed S3 classes. It is not the most direct example of EC2 instance store.
Question 814
Which AWS service or cloud principle is the BEST fit for this outcome or responsibility: enable supported AWS infrastructure placed on premises?
- AWS service APIs
- AWS Outposts
- AWS SDKs
- AWS CloudFormation
Explanation
Correct Answer
B:AWS Outposts directly addresses this outcome. Outposts extends supported AWS infrastructure and services to customer locations where local processing or data needs apply. A common relevant example is: a manufacturer needs AWS-managed hardware and selected cloud services in its own facility.
Incorrect Answers
A:AWS service APIs instead focuses on a different requirement, such as a system needs a programmatic interface to request and manage AWS resources. AWS APIs enable programmatic service access; management consoles and SDKs are other ways to use such capabilities. It is not the primary match for the requirement described here: enable supported AWS infrastructure placed on premises.
C:AWS SDKs instead focuses on a different requirement, such as a developer wants a Java application to interact with AWS services using language libraries. AWS SDKs provide language-specific APIs and tooling for integrating application software with AWS. It is not the primary match for the requirement described here: enable supported AWS infrastructure placed on premises.
D:AWS CloudFormation instead focuses on a different requirement, such as a cloud team must define a repeatable infrastructure configuration under version control. CloudFormation uses templates and stacks to create and manage supported AWS resources consistently. It is not the primary match for the requirement described here: enable supported AWS infrastructure placed on premises.
Question 815
Which AWS service or cloud principle is the BEST fit for this outcome or responsibility: the customer must correct the bucket access policy and exposure settings?
- Customer Lambda function code
- AWS physical data center security
- Customer S3 bucket access
- AWS S3 infrastructure durability
Explanation
Correct Answer
C:Customer S3 bucket access directly addresses this outcome. AWS operates the S3 storage infrastructure, but customers configure authorized access to their buckets and objects. A common relevant example is: a team accidentally publishes an S3 bucket containing internal reports.
Incorrect Answers
A:Customer Lambda function code instead focuses on a different requirement, such as 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. It is not the primary match for the requirement described here: the customer must correct the bucket access policy and exposure settings.
B:AWS physical data center security instead focuses on a different requirement, such as an AWS customer asks who guards the buildings where AWS runs underlying server hardware. Physical facility access controls and provider-owned hardware protection fall under AWS security of the cloud. It is not the primary match for the requirement described here: the customer must correct the bucket access policy and exposure settings.
D: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: the customer must correct the bucket access policy and exposure settings.
Question 816
Within the Cloud Technology and Services domain, which business example MOST clearly illustrates Storage-optimized EC2, rather than a different AWS concept?
- A business runs an application that needs very large in-memory data structures
- A development team wants to run supported containers without managing the underlying EC2 host fleet
- An organization wants managed Kubernetes control-plane capabilities for containerized workloads
- An analytics node needs high local disk throughput for temporary data processing
Explanation
Correct Answer
D:The decisive requirement is: Choose an EC2 storage-optimized instance family where local storage performance is central. This is the role of Storage-optimized EC2. Storage-optimized instance families are designed for high local storage I/O and throughput needs.
Incorrect Answers
A:This describes a scenario for Memory-optimized EC2: choose an EC2 memory-optimized instance family. Memory-optimized instances emphasize memory capacity relative to processing, fitting memory-intensive workloads. It is not the most direct example of Storage-optimized EC2.
B:This describes a scenario for AWS Fargate: use AWS Fargate for serverless container compute. Fargate supplies compute capacity for supported container tasks without customers administering container hosts. It is not the most direct example of Storage-optimized EC2.
C:This describes a scenario for Amazon EKS: use Amazon Elastic Kubernetes Service for AWS-hosted Kubernetes orchestration. EKS offers managed Kubernetes control-plane capabilities for applications using Kubernetes APIs. It is not the most direct example of Storage-optimized EC2.
Question 817
A program manager needs a consolidated place to follow the progress of multiple migration activities. Which AWS service or cloud concept is the MOST direct match for this need?
- AWS Migration Hub
- AWS Database Migration Service
- Refactoring migration
- AWS Cloud Adoption Framework
Explanation
Correct Answer
A:AWS Migration Hub fits the need because aWS Migration Hub provides visibility into discovered applications and migration activity across supported migration tools. The relevant capability or responsibility is: Track application migration progress centrally.
Incorrect Answers
B:AWS Database Migration Service is associated with a different use case: a company wants to transfer database content to AWS while limiting downtime. AWS DMS can transfer data and support change data capture for applicable database migration scenarios. The question instead focuses on a program manager needs a consolidated place to follow the progress of multiple migration activities; AWS Migration Hub is the more direct match.
C:Refactoring migration is associated with a different use case: a business is willing to redesign a tightly coupled application into cloud-native components. Refactoring transforms the application architecture, rather than simply moving the existing runtime to the cloud. The question instead focuses on a program manager needs a consolidated place to follow the progress of multiple migration activities; AWS Migration Hub is the more direct match.
D:AWS Cloud Adoption Framework is associated with a different use case: executives need a structured view of people, governance, business, platform, security, and operations during cloud adoption. AWS CAF helps align business and technology stakeholders throughout cloud adoption instead of treating migration as a server-copy exercise. The question instead focuses on a program manager needs a consolidated place to follow the progress of multiple migration activities; AWS Migration Hub is the more direct match.
Question 818
A project manager compares Economies of scale with other AWS concepts while considering this need: a small organization benefits from AWS data-center purchasing power even though it cannot operate a massive facility itself. Which pairing assigns the responsibilities or benefits correctly?
- Economies of scale: let eligible costs rise and fall with actual resource consumption; Variable costs: benefit from aggregate cloud-provider scale and procurement efficiency
- Economies of scale: benefit from aggregate cloud-provider scale and procurement efficiency; Variable costs: let eligible costs rise and fall with actual resource consumption
- Economies of scale: include facilities, hardware, operations, and staffing in a long-term cost comparison; Total cost of ownership: benefit from aggregate cloud-provider scale and procurement efficiency
- Economies of scale: use a service price that bundles eligible software licensing; License-included pricing: benefit from aggregate cloud-provider scale and procurement efficiency
Explanation
Correct Answer
B:The first pairing identifies Economies of scale with its actual role: benefit from aggregate cloud-provider scale and procurement efficiency. Large cloud providers spread infrastructure costs across many customers and workloads. The comparison is valid because Variable costs instead addresses let eligible costs rise and fall with actual resource consumption.
Incorrect Answers
A:The roles are swapped. Variable costs is associated with let eligible costs rise and fall with actual resource consumption; Economies of scale instead has the role: Benefit from aggregate cloud-provider scale and procurement efficiency. Large cloud providers spread infrastructure costs across many customers and workloads.
C:The roles are swapped. Total cost of ownership is associated with include facilities, hardware, operations, and staffing in a long-term cost comparison; Economies of scale instead has the role: Benefit from aggregate cloud-provider scale and procurement efficiency. Large cloud providers spread infrastructure costs across many customers and workloads.
D:The roles are swapped. License-included pricing is associated with use a service price that bundles eligible software licensing; Economies of scale instead has the role: Benefit from aggregate cloud-provider scale and procurement efficiency. Large cloud providers spread infrastructure costs across many customers and workloads.
Question 819
Within the Cloud Technology and Services domain, which business example MOST clearly illustrates Amazon EBS, rather than a different AWS concept?
- A business rarely accesses certain long-lived backup files but needs them rapidly when requested
- A company needs centralized policies and visibility across supported AWS resource backups
- A database server on EC2 needs persistent block storage beyond the life of one specific host
- A regulator requires long-term retention of records that will almost never be retrieved
Explanation
Correct Answer
C:The decisive requirement is: Use Amazon EBS volumes for persistent EC2 block storage. This is the role of Amazon EBS. EBS provides network-attached block volumes with persistence and snapshot capabilities subject to volume type and configuration.
Incorrect Answers
A:This describes a scenario for S3 Standard-Infrequent Access: use S3 Standard-IA for infrequently accessed objects with rapid access needs. S3 Standard-IA has lower storage charges but access and minimum-duration considerations compared with frequently accessed classes. It is not the most direct example of Amazon EBS.
B:This describes a scenario for AWS Backup: use AWS Backup to manage backup plans and retention for supported services. AWS Backup centralizes backup administration across supported resources; it is separate from normal object lifecycle transitions. It is not the most direct example of Amazon EBS.
D:This describes a scenario for S3 Glacier Deep Archive: use S3 Glacier Deep Archive for very rarely accessed long-term archival data. Deep Archive prioritizes low storage cost and accepts retrieval delays, unlike immediately accessed S3 classes. It is not the most direct example of Amazon EBS.
Question 820
A stakeholder is considering EC2 Reserved Instances because an enterprise runs a predictable EC2 workload and can make a qualifying commitment. What is the MOST relevant capability or benefit?
- Meet this requirement: an organization needs a physical host dedicated to its account for certain licensing or compliance needs
- Compare storage duration, retrieval charges and access characteristics of S3 classes
- Pay for eligible compute usage without a long-term purchase commitment
- Support eligible long-running instance usage discounts
Explanation
Correct Answer
D:Consider EC2 Reserved Instances for eligible long-running instance usage discounts. Reserved Instances offer pricing benefits for qualifying EC2 usage with a term commitment and specified attributes. The stated need is specifically an enterprise runs a predictable EC2 workload and can make a qualifying commitment.
Incorrect Answers
A:This outcome fits Dedicated Hosts: Dedicated Hosts supply dedicated EC2 physical server capacity with characteristics useful for supported bring-your-own-license needs. The stakeholder requires the more specific capability provided by EC2 Reserved Instances, not that separate benefit.
B:This outcome fits S3 storage-class pricing: S3 storage classes have distinct storage, retrieval and minimum-duration attributes that influence total cost. The stakeholder requires the more specific capability provided by EC2 Reserved Instances, not that separate benefit.
C:This outcome fits On-Demand EC2 pricing: On-Demand pricing gives flexible capacity for irregular or new workloads, generally without the discounts of eligible commitments. The stakeholder requires the more specific capability provided by EC2 Reserved Instances, not that separate benefit.