CLF-C02 Cloud Concepts Practice Test 16 — 15 Questions

Question 1

Which AWS service provides managed, automated workflows for coordinating migration tasks such as tracking migration status, grouping servers into migration waves, and coordinating cutover?

Accepted Answer

AWS Migration Hub. AWS Migration Hub is the correct service because it provides a single location to track the progress of application migrations across multiple AWS and partner solutions. It offers managed, automated workflows for grouping servers into migration waves, tracking migration status, and coordinating cutover activities, which directly matches the question's requirements.

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AWS Application Discovery Service

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AWS Control Tower

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AWS Organizations

Question 2

Which statement about AWS pricing is accurate?

Accepted Answer

AWS offers pay-as-you-go pricing with volume discounts as usage grows. AWS pricing is accurate as pay-as-you-go with volume discounts because customers only pay for the resources they consume, and as usage increases, tiered pricing or volume-based discounts (e.g., AWS Lambda's per-request pricing or S3's storage tiers) automatically reduce the per-unit cost. This model eliminates upfront commitments and aligns cost with actual consumption, which is a core AWS pricing philosophy.

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AWS prices are fixed and never change

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AWS requires annual contracts for all services

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Data transfer into AWS from the internet is the largest AWS cost component

Question 3

A company wants to ensure its cloud architecture can handle sudden spikes in traffic without manual intervention. Which cloud concept best describes this capability?

Accepted Answer

Elasticity. Elasticity is the cloud capability that automatically scales resources up or down based on demand, handling sudden traffic spikes without manual intervention. It matches the requirement to dynamically adjust capacity in response to load changes. This is a core benefit of cloud computing, enabling cost efficiency and performance.

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High availability

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Fault tolerance

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Durability

Question 4

According to the AWS Well-Architected Framework, which pillar focuses on the ability to run workloads effectively, gain insight into operations, and continuously improve processes?

Accepted Answer

Operational Excellence. Operational Excellence is the AWS Well-Architected pillar that focuses on running and monitoring workloads to deliver business value, and on continually improving processes and procedures. It includes the ability to run workloads effectively, gain operational insight through metrics and logs (e.g., Amazon CloudWatch, AWS CloudTrail), and use runbooks and automation (e.g., AWS Systems Manager) to continuously improve. This directly matches the question's description of running workloads effectively, gaining insight into operations, and continuously improving processes.

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Reliability

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Performance Efficiency

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Sustainability

Question 5

Which benefit of cloud computing allows organizations to avoid the capital expense of buying hardware and instead pay only for what they use?

Accepted Answer

Trade capital expense for variable expense. Trading capital expense for variable expense is the cloud benefit that allows organizations to avoid upfront hardware purchases and instead pay only for the resources they consume. This shifts from CapEx to OpEx, providing financial flexibility and cost optimization. It directly addresses the scenario of avoiding capital expense and paying for what you use.

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Economies of scale

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Stop spending money running and maintaining data centers

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Increase speed and agility

Question 6

Which of the following best describes an AWS Region?

Accepted Answer

A geographic area containing multiple Availability Zones. An AWS Region is a distinct geographic area that consists of multiple, isolated, and physically separate Availability Zones (AZs). Each AZ contains one or more data centers with redundant power, networking, and connectivity. This design ensures high availability and fault tolerance, as resources can be distributed across AZs within a Region to withstand failures in a single data center.

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A single data center used by AWS

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A group of edge locations used for content delivery

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A virtual private network segment within AWS

Question 7

Which cloud deployment model involves running applications on AWS infrastructure managed entirely by AWS, where the customer does not manage any physical hardware?

Accepted Answer

Public cloud. The public cloud deployment model is defined by infrastructure that is owned, managed, and maintained by a third-party cloud provider (in this case, AWS). The customer has no responsibility for the physical hardware, such as servers, storage, or networking equipment, and accesses resources on-demand via the internet. This matches the scenario where AWS manages everything, and the customer only interacts with virtualized services.

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Private cloud

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Hybrid cloud

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Community cloud

Question 8

A customer is evaluating moving to AWS and asks about the total cost of ownership (TCO) benefits. Which of the following is NOT a factor that reduces TCO when migrating to AWS?

Accepted Answer

Staff training costs for cloud technologies. Staff training costs for cloud technologies are an additional investment required when migrating to AWS, not a factor that reduces total cost of ownership (TCO). While AWS reduces hardware and facility costs, training represents a new expense for upskilling teams on cloud services like EC2, S3, and IAM, which increases rather than decreases TCO.

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Eliminating hardware refresh cycles

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Reducing data center facility costs

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Pay-as-you-go pricing model

Question 9

A company is designing a system where a failure in one component does not cause cascading failures across the entire application. Which architectural concept does this represent?

Accepted Answer

Loose coupling. Loose coupling is the architectural concept that ensures components are independent, so a failure in one component does not cascade to others. In AWS, this is achieved through services like Amazon SQS for asynchronous messaging or Amazon SNS for event-driven decoupling, where each component can fail and recover independently without affecting the rest of the system.

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Tight coupling

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Vertical scaling

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Monolithic architecture

Question 10

Drag and drop the steps to launch an EC2 instance in the correct order.

Accepted Answer

Choose AMI -> Choose Instance Type -> Configure Instance Details -> Add Storage -> Configure Security Group -> Review and Launch. Launching an EC2 instance involves selecting the OS (AMI), hardware (instance type), networking, storage, and security before launch.

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Choose AMI -> Configure Security Group -> Choose Instance Type -> Add Storage -> Configure Instance Details -> Review and Launch

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Choose Instance Type -> Choose AMI -> Configure Instance Details -> Add Storage -> Configure Security Group -> Review and Launch

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Choose AMI -> Choose Instance Type -> Configure Security Group -> Add Storage -> Configure Instance Details -> Review and Launch

Question 11

Match each AWS service to its primary category.

Accepted Answer

Amazon EC2: Compute. AWS services are categorized by their primary function. Amazon EC2 is compute, S3 is storage, RDS is database, and VPC is networking. Common confusions include mixing storage and compute categories.

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Amazon S3: Compute

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Amazon VPC: Database

Question 12

Match each AWS storage service to its description.

Accepted Answer

S3: Object storage for storing and retrieving any amount of data from anywhere.. Each AWS storage service is designed for specific use cases: S3 for object storage, EBS for block storage attached to EC2, EFS for file storage shared across instances, and Glacier for archival.

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S3: Block storage volumes for use with EC2 instances.

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EBS: Object storage for storing and retrieving any amount of data from anywhere.

Question 13

Match each AWS pricing concept to its definition.

Accepted Answer

On-Demand: Pay for compute capacity by the hour or second with no long-term commitments.. On-Demand is pay-as-you-go, Reserved Instances require a term commitment, Spot Instances are interruptible, and Savings Plans offer flexibility. Common confusions include mixing up On-Demand with Spot Instances.

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On-Demand: Pay a low price but instances can be terminated.

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Reserved Instances: Pay only for resources used per second.

Question 14

A startup currently runs all of its production workloads in a single AWS Region. The CTO wants to reduce the risk of a prolonged outage caused by a large-scale natural disaster affecting that Region. Which AWS Cloud concept should the team implement to meet this goal?

Accepted Answer

Deploy the workloads to multiple AWS Regions and use a multi-Region architecture. AWS Regions are isolated geographic areas, so an event that disables one Region generally does not affect others. To survive a large-scale disaster, the workload must run in more than one Region with appropriate routing and data replication. Availability Zones provide resilience inside a single Region but cannot protect against the loss of that entire Region.

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Purchase a higher-tier AWS Support plan to guarantee Regional failover

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Deploy the workloads across multiple Availability Zones within the same Region

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Enable AWS Shield Advanced on the account to protect the Region from disasters

Question 15

A media company wants to move its video rendering farm to AWS. Render jobs are submitted unpredictably, and each job finishes in under two hours. The finance team wants to pay only for the compute capacity actually consumed and wants no long-term commitment. Which AWS pricing model best fits these requirements?

Accepted Answer

On-Demand Instances for the render instances. On-Demand pricing charges per second with no upfront payment, no minimum commitment, and no long-term contract, which is ideal for unpredictable, short-duration workloads such as a render farm. Reserved Instances, Savings Plans, and Dedicated Hosts all assume some form of commitment or continuous allocation, making them a poorer fit for the stated requirements.

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A Savings Plan with a one-year compute commitment

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Reserved Instances purchased with a three-year term

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Dedicated Hosts allocated for the rendering farm