AWS Cloud Practitoner (CLF - C02) 를 준비 하면서 모아 놓은 문제집 입니다.

틀린 답이 있을 수도 있습니다.

Topic 1

Question #31Topic 1

Which AWS service or feature is used to send both text and email messages from distributed applications?

A. Amazon Simple Notification Service (Amazon SNS)
B. Amazon Simple Email Service (Amazon SES)
C. Amazon CloudWatch alerts
D. Amazon Simple Queue Service (Amazon SQS)
Answer
Correct Answer: A

Question #32Topic 1

A user needs programmatic access to AWS resources through the AWS CLI or the AWS API.

Which option will provide the user with the appropriate access?

A. Amazon Inspector
B. Access keys
C. SSH public keys
D. AWS Key Management Service (AWS KMS) keys
Answer
Correct Answer: B

Question #33Topic 1

A company runs thousands of simultaneous simulations using AWS Batch. Each simulation is stateless, is fault tolerant, and runs for up to 3 hours.

Which pricing model enables the company to optimize costs and meet these requirements?

A. Reserved Instances
B. Spot Instances
C. On-Demand Instances
D. Dedicated Instances
Answer
Correct Answer: B

Question #34Topic 1

What does the concept of agility mean in AWS Cloud computing? (Choose two.)

A. The speed at which AWS resources are implemented
B. The speed at which AWS creates new AWS Regions
C. The ability to experiment quickly
D. The elimination of wasted capacity
E. The low cost of entry into cloud computing
Answer
Correct Answer: AC

Question #35Topic 1

A company needs to block SQL injection attacks.

Which AWS service or feature can meet this requirement?

A. AWS WAF
B. AWS Shield
C. Network ACLs
D. Security groups
Answer
Correct Answer: A

Question #36Topic 1

Which AWS service or feature identifies whether an Amazon S3 bucket or an IAM role has been shared with an external entity?

A. AWS Service Catalog
B. AWS Systems Manager
C. AWS IAM Access Analyzer
D. AWS Organizations
Answer
Correct Answer: C

Question #37Topic 1

A cloud practitioner needs to obtain AWS compliance reports before migrating an environment to the AWS Cloud.

How can these reports be generated?

A. Contact the AWS Compliance team.
B. Download the reports from AWS Artifact.
C. Open a case with AWS Support.
D. Generate the reports with Amazon Macie.
Answer
Correct Answer: B

Question #38Topic 1

An ecommerce company has migrated its IT infrastructure from an on-premises data center to the AWS Cloud.

Which cost is the company’s direct responsibility?

A. Cost of application software licenses
B. Cost of the hardware infrastructure on AWS
C. Cost of power for the AWS servers
D. Cost of physical security for the AWS data center
Answer
Correct Answer: A

Question #39Topic 1

A company is setting up AWS Identity and Access Management (IAM) on an AWS account.

Which recommendation complies with IAM security best practices?

A. Use the account root user access keys for administrative tasks.
B. Grant broad permissions so that all company employees can access the resources they need.
C. Turn on multi-factor authentication (MFA) for added security during the login process.
D. Avoid rotating credentials to prevent issues in production applications.
Answer
Correct Answer: C

Question #40Topic 1

Elasticity in the AWS Cloud refers to which of the following? (Choose two.)

A. How quickly an Amazon EC2 instance can be restarted
B. The ability to rightsize resources as demand shifts
C. The maximum amount of RAM an Amazon EC2 instance can use
D. The pay-as-you-go billing model
E. How easily resources can be procured when they are needed
Answer
Correct Answer: BE

Question #41Topic 1

Which service enables customers to audit API calls in their AWS accounts?

A. AWS CloudTrail
B. AWS Trusted Advisor
C. Amazon Inspector
D. AWS X-Ray
Answer
Correct Answer: A

Question #42Topic 1

What is a customer responsibility when using AWS Lambda according to the AWS shared responsibility model?

A. Managing the code within the Lambda function
B. Confirming that the hardware is working in the data center
C. Patching the operating system
D. Shutting down Lambda functions when they are no longer in use
Answer
Correct Answer: A

Question #43Topic 1

A company has 5 TB of data stored in Amazon S3. The company plans to occasionally run queries on the data for analysis.

Which AWS service should the company use to run these queries in the MOST cost-effective manner?

A. Amazon Redshift
B. Amazon Athena
C. Amazon Kinesis
D. Amazon RDS
Answer
Correct Answer: B

Question #44Topic 1

Which AWS service can be used at no additional cost?

A. Amazon SageMaker
B. AWS Config
C. AWS Organizations
D. Amazon CloudWatch
Answer
Correct Answer: C

Question #45Topic 1

Which AWS Cloud Adoption Framework (AWS CAF) capability belongs to the people perspective?

A. Data architecture
B. Event management
C. Cloud fluency
D. Strategic partnership
Answer
Correct Answer: C

Question #46Topic 1

A company wants to make an upfront commitment for continued use of its production Amazon EC2 instances in exchange for a reduced overall cost.

Which pricing options meet these requirements with the LOWEST cost? (Choose two.)

A. Spot Instances
B. On-Demand Instances
C. Reserved Instances
D. Savings Plans
E. Dedicated Hosts
Answer
Correct Answer: CD

Question #47Topic 1

A company wants to migrate its on-premises relational databases to the AWS Cloud. The company wants to use infrastructure as close to its current geographical location as possible.

Which AWS service or resource should the company use to select its Amazon RDS deployment area?

A. Amazon Connect
B. AWS Wavelength
C. AWS Regions
D. AWS Direct Connect
Answer
Correct Answer: C

Question #48Topic 1

A company is exploring the use of the AWS Cloud, and needs to create a cost estimate for a project before the infrastructure is provisioned.

Which AWS service or feature can be used to estimate costs before deployment?

A. AWS Free Tier
B. AWS Pricing Calculator
C. AWS Billing and Cost Management
D. AWS Cost and Usage Report
Answer
Correct Answer: B

Question #49Topic 1

A company is building an application that needs to deliver images and videos globally with minimal latency.

Which approach can the company use to accomplish this in a cost effective manner?

A. Deliver the content through Amazon CloudFront.
B. Store the content on Amazon S3 and enable S3 cross-region replication.
C. Implement a VPN across multiple AWS Regions.
D. Deliver the content through AWS PrivateLink.
Answer
Correct Answer: A

Question #50Topic 1

Which option is a benefit of the economies of scale based on the advantages of cloud computing?

A. The ability to trade variable expense for fixed expense
B. Increased speed and agility
C. Lower variable costs over fixed costs
D. Increased operational costs across data centers
Answer
Correct Answer: C

Question #51Topic 1

Which of the following is a software development framework that a company can use to define cloud resources as code and provision the resources through AWS CloudFormation?

A. AWS CLI
B. AWS Developer Center
C. AWS Cloud Development Kit (AWS CDK)
D. AWS CodeStar
Answer
Correct Answer: C

Question #52Topic 1

A company is developing an application that uses multiple AWS services. The application needs to use temporary, limited-privilege credentials for authentication with other AWS APIs.

Which AWS service or feature should the company use to meet these authentication requirements?

A. Amazon API Gateway
B. IAM users
C. AWS Security Token Service (AWS STS)
D. IAM instance profiles
Answer
Correct Answer: C

Question #53Topic 1

Which AWS service is a cloud security posture management (CSPM) service that aggregates alerts from various AWS services and partner products in a standardized format?

A. AWS Security Hub
B. AWS Trusted Advisor
C. Amazon EventBridge
D. Amazon GuardDuty
Answer
Correct Answer: A

Question #54Topic 1

Which AWS service is always provided at no charge?

A. Amazon S3
B. AWS Identity and Access Management (IAM)
C. Elastic Load Balancers
D. AWS WAF
Answer
Correct Answer: B

Question #55Topic 1

To reduce costs, a company is planning to migrate a NoSQL database to AWS.

Which AWS service is fully managed and can automatically scale throughput capacity to meet database workload demands?

A. Amazon Redshift
B. Amazon Aurora
C. Amazon DynamoDB
D. Amazon RDS
Answer
Correct Answer: C

Question #56Topic 1

A company is using Amazon DynamoDB.

Which task is the company’s responsibility, according to the AWS shared responsibility model?

A. Patch the operating system.
B. Provision hosts.
C. Manage database access permissions.
D. Secure the operating system
Answer
Correct Answer: C

Question #57Topic 1

A company has a test AWS environment. A company is planning on testing an application within AWS. The application testing can be interrupted and does not need to run continuously.

Which Amazon EC2 purchasing option will meet these requirements MOST cost-effectively?

A. On-Demand Instances
B. Dedicated Instances
C. Spot Instances
D. Reserved Instances
Answer
Correct Answer: C

Question #58Topic 1

Which AWS service gives users the ability to discover and protect sensitive data that is stored in Amazon S3 buckets?

A. Amazon Macie
B. Amazon Detective
C. Amazon GuardDuty
D. AWS IAM Access Analyzer
Answer
Correct Answer: A

Question #59Topic 1

Which of the following services can be used to block network traffic to an instance? (Choose two.)

A. Security groups
B. Amazon Virtual Private Cloud (Amazon VPC) flow logs
C. Network ACLs
D. Amazon CloudWatch
E. AWS CloudTrail
Answer
Correct Answer: AC

Question #60Topic 1

Which AWS service can identify when an Amazon EC2 instance was terminated?

A. AWS Identity and Access Management (IAM)
B. AWS CloudTrail
C. AWS Compute Optimizer
D. Amazon EventBridge
Answer
Correct Answer: B

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