AWS CLF-C02 Exam Prep 2026–2027 |
Cloud Practitioner 100 Realistic
Questions with Answers &
Comprehensive Explanations
1. A company wants to migrate an application to AWS but does not want to
purchase or maintain physical servers. Which cloud computing benefit most
directly addresses this requirement?
A. Increased hardware depreciation
B. Capital expense reduction
C. Manual capacity planning
D. Dedicated physical infrastructure
Answer: B. Capital expense reduction
Rationale: Moving to AWS can replace significant upfront infrastructure
purchases with consumption-based operating expenses, reducing the need for
large capital investments.
, 2. Which AWS Cloud concept allows a company to automatically increase or
decrease computing resources in response to changing demand?
A. Elasticity
B. Durability
C. Global reach
D. Fault isolation
Answer: A. Elasticity
Rationale: Elasticity allows resources to dynamically scale up or down according
to workload requirements, helping organizations avoid overprovisioning.
3. An organization requires compute capacity for a workload that will run
continuously for three years. Which purchasing option can provide
significant savings compared with On-Demand pricing when the workload
has predictable requirements?
A. Spot Instances
B. Savings Plans
C. Dedicated Hosts purchased hourly
D. Free Tier
Answer: B. Savings Plans
Rationale: Savings Plans provide discounted rates in exchange for a
commitment to a consistent amount of compute usage over a specified term,
making them suitable for predictable workloads.
4. Which AWS service provides object storage designed for high durability and
virtually unlimited scalability?
A. Amazon EBS
B. Amazon S3
,C. Amazon EC2
D. Amazon RDS
Answer: B. Amazon S3
Rationale: Amazon S3 is an object storage service designed for high durability,
scalability, and availability across a wide range of use cases.
5. A company needs to run a web application without managing operating
systems, servers, or application infrastructure. Which AWS service is most
appropriate for deploying application code in a managed environment?
A. AWS Elastic Beanstalk
B. Amazon EC2
C. AWS Direct Connect
D. Amazon EBS
Answer: A. AWS Elastic Beanstalk
Rationale: Elastic Beanstalk abstracts much of the underlying infrastructure
management while automatically handling deployment, capacity provisioning,
load balancing, and scaling.
6. Which AWS service is primarily used to provide managed DNS
functionality?
A. Amazon Route 53
B. Amazon CloudFront
C. AWS Transit Gateway
D. Amazon VPC
Answer: A. Amazon Route 53
, Rationale: Amazon Route 53 is AWS's highly available and scalable DNS service
and can also provide domain registration and health-check capabilities.
7. A company wants to distribute application content globally with reduced
latency for users. Which service should it consider?
A. Amazon CloudFront
B. Amazon EBS
C. AWS IAM
D. Amazon Inspector
Answer: A. Amazon CloudFront
Rationale: CloudFront is a content delivery network that uses edge locations to
deliver content closer to users, reducing latency.
8. Which AWS service provides managed relational database capabilities?
A. Amazon DynamoDB
B. Amazon RDS
C. Amazon S3
D. Amazon ElastiCache
Answer: B. Amazon RDS
Rationale: Amazon RDS is a managed relational database service supporting
engines such as MySQL, PostgreSQL, MariaDB, Oracle, and SQL Server.
9. Which database service is best suited for a highly scalable NoSQL key-value
workload?
A. Amazon RDS
B. Amazon Aurora
Cloud Practitioner 100 Realistic
Questions with Answers &
Comprehensive Explanations
1. A company wants to migrate an application to AWS but does not want to
purchase or maintain physical servers. Which cloud computing benefit most
directly addresses this requirement?
A. Increased hardware depreciation
B. Capital expense reduction
C. Manual capacity planning
D. Dedicated physical infrastructure
Answer: B. Capital expense reduction
Rationale: Moving to AWS can replace significant upfront infrastructure
purchases with consumption-based operating expenses, reducing the need for
large capital investments.
, 2. Which AWS Cloud concept allows a company to automatically increase or
decrease computing resources in response to changing demand?
A. Elasticity
B. Durability
C. Global reach
D. Fault isolation
Answer: A. Elasticity
Rationale: Elasticity allows resources to dynamically scale up or down according
to workload requirements, helping organizations avoid overprovisioning.
3. An organization requires compute capacity for a workload that will run
continuously for three years. Which purchasing option can provide
significant savings compared with On-Demand pricing when the workload
has predictable requirements?
A. Spot Instances
B. Savings Plans
C. Dedicated Hosts purchased hourly
D. Free Tier
Answer: B. Savings Plans
Rationale: Savings Plans provide discounted rates in exchange for a
commitment to a consistent amount of compute usage over a specified term,
making them suitable for predictable workloads.
4. Which AWS service provides object storage designed for high durability and
virtually unlimited scalability?
A. Amazon EBS
B. Amazon S3
,C. Amazon EC2
D. Amazon RDS
Answer: B. Amazon S3
Rationale: Amazon S3 is an object storage service designed for high durability,
scalability, and availability across a wide range of use cases.
5. A company needs to run a web application without managing operating
systems, servers, or application infrastructure. Which AWS service is most
appropriate for deploying application code in a managed environment?
A. AWS Elastic Beanstalk
B. Amazon EC2
C. AWS Direct Connect
D. Amazon EBS
Answer: A. AWS Elastic Beanstalk
Rationale: Elastic Beanstalk abstracts much of the underlying infrastructure
management while automatically handling deployment, capacity provisioning,
load balancing, and scaling.
6. Which AWS service is primarily used to provide managed DNS
functionality?
A. Amazon Route 53
B. Amazon CloudFront
C. AWS Transit Gateway
D. Amazon VPC
Answer: A. Amazon Route 53
, Rationale: Amazon Route 53 is AWS's highly available and scalable DNS service
and can also provide domain registration and health-check capabilities.
7. A company wants to distribute application content globally with reduced
latency for users. Which service should it consider?
A. Amazon CloudFront
B. Amazon EBS
C. AWS IAM
D. Amazon Inspector
Answer: A. Amazon CloudFront
Rationale: CloudFront is a content delivery network that uses edge locations to
deliver content closer to users, reducing latency.
8. Which AWS service provides managed relational database capabilities?
A. Amazon DynamoDB
B. Amazon RDS
C. Amazon S3
D. Amazon ElastiCache
Answer: B. Amazon RDS
Rationale: Amazon RDS is a managed relational database service supporting
engines such as MySQL, PostgreSQL, MariaDB, Oracle, and SQL Server.
9. Which database service is best suited for a highly scalable NoSQL key-value
workload?
A. Amazon RDS
B. Amazon Aurora
