AWS Cloud Practitioner CLF-C02 Practice Questions

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Domain 3: Cloud Technology and Services

A company needs virtual servers in the cloud with control over the operating system. Which AWS service should it use?

A AWS Lambda

B Amazon EC2 check_circle

C Amazon S3

D Amazon Route 53

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Explanation

Amazon EC2 provides resizable virtual compute instances with OS-level control. Trap: Lambda runs code without server management but does not provide OS-level server control. The tempting wrong choice 'AWS Lambda' fails because it does not best match the requirement in this scenario.

Domain 3: Cloud Technology and Services

A developer wants to run code in response to events without provisioning servers. Which AWS service should be used?

A Amazon EC2 Dedicated Hosts

B AWS Lambda check_circle

C Amazon EBS

D Amazon VPC

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Explanation

Lambda is a serverless compute service that runs code in response to events. Trap: EC2 Dedicated Hosts still require server capacity management. The tempting wrong choice 'Amazon EC2 Dedicated Hosts' fails because it does not best match the requirement in this scenario.

Domain 3: Cloud Technology and Services

A team wants to run containers without managing EC2 instances. Which AWS compute option is most appropriate?

A Amazon Route 53

B AWS Snowball

C AWS Fargate check_circle

D Amazon EBS

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Explanation

AWS Fargate runs containers serverlessly with ECS or EKS. Trap: EBS is block storage and does not run containers. The tempting wrong choice 'Amazon Route 53' fails because it does not best match the requirement in this scenario.

Domain 3: Cloud Technology and Services

Which service is a managed relational database service?

A Amazon RDS check_circle

B Amazon DynamoDB

C Amazon S3 Glacier

D Amazon CloudFront

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Explanation

Amazon RDS manages relational database engines such as MySQL, PostgreSQL, and SQL Server. Trap: DynamoDB is NoSQL, not relational. The tempting wrong choice 'Amazon DynamoDB' fails because it does not best match the requirement in this scenario.

Domain 3: Cloud Technology and Services

Which AWS database service is fully managed, serverless, key-value and document NoSQL?

A Amazon RDS

B Amazon EFS

C Amazon Redshift

D Amazon DynamoDB check_circle

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Explanation

DynamoDB is a managed NoSQL database designed for key-value and document access patterns. Trap: RDS is relational and uses database engines rather than NoSQL key-value design. The tempting wrong choice 'Amazon RDS' fails because it does not best match the requirement in this scenario.

Domain 3: Cloud Technology and Services

Which AWS service is a data warehouse for analytics?

A Amazon Route 53

B Amazon ElastiCache

C AWS CloudTrail

D Amazon Redshift check_circle

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Explanation

Amazon Redshift is a cloud data warehouse for large-scale analytics. Trap: ElastiCache is an in-memory cache, not a data warehouse. The tempting wrong choice 'Amazon Route 53' fails because it does not best match the requirement in this scenario.

Domain 3: Cloud Technology and Services

Which AWS service provides object storage suitable for static website assets, backups, and data lakes?

A Amazon VPC

B Amazon EBS

C Amazon S3 check_circle

D Amazon EC2

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Explanation

Amazon S3 is durable object storage for many use cases including static content and data lakes. Trap: EBS is block storage attached to compute instances. The tempting wrong choice 'Amazon VPC' fails because it does not best match the requirement in this scenario.

Domain 3: Cloud Technology and Services

Which storage service provides block storage volumes for Amazon EC2 instances?

A Amazon S3

B Amazon Route 53

C Amazon Glacier Instant Retrieval only

D Amazon EBS check_circle

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Explanation

EBS provides persistent block volumes for EC2. Trap: S3 is object storage and is accessed through APIs rather than attached as a block device. The tempting wrong choice 'Amazon S3' fails because it does not best match the requirement in this scenario.

Domain 3: Cloud Technology and Services

Which storage service provides a managed file system that can be mounted by multiple Linux EC2 instances?

A AWS IAM

B Amazon EBS

C Amazon S3 Glacier

D Amazon EFS check_circle

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Explanation

Amazon EFS provides scalable shared file storage for Linux workloads. Trap: EBS volumes are generally attached to instances as block storage and are not the standard shared file system answer. The tempting wrong choice 'AWS IAM' fails because it does not best match the requirement in this scenario.

Domain 3: Cloud Technology and Services

Which AWS networking service creates an isolated virtual network in the AWS Cloud?

A AWS KMS

B Amazon SQS

C Amazon VPC check_circle

D AWS Budgets

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Explanation

Amazon VPC lets customers define isolated networks, subnets, routing, and security boundaries. Trap: SQS is a messaging service, not a network boundary. The tempting wrong choice 'AWS KMS' fails because it does not best match the requirement in this scenario.

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