WorksheetsDatabases (1B) - AWS (CLF-C02) Prelim 1 (2025-10-22)
Total questions: 50
Worksheet time: 1hrs 15mins
A company needs to deploy applications in the AWS Cloud as quickly as possible and wants to automate the management of AWS resources. Which AWS service should the company use to meet these requirements?
AWS config
AWS Elastic Beanstalk
Amazon EC2
Amazon Personalize
Which AWS service or resource can provide discounts on some AWS services?
Amazon Detective
AWS Pricing
Savings Plans
Basic Support
A company is planning to run a global marketing application in the AWS Cloud that delivers video content. The company must ensure that all users can view these videos with low latency.
Amazon CloudFront
Amazon S3
Amazon EC2
Amazon RDS
Which design principle aligns with performance efficiency pillar of the AWS Framework?
Using serverless architectures
Scaling horizontally
Measuring the cost of workloads
Using managed services
According to security best practices, how should an Amazon EC2 instance be configured to upload a file to an S3 bucket?
Hard code an IAM user’s secret key and access key directly in the application and upload the file
Store the IAM user’s secret key and access key in a text file on the EC2 instance, then use them to upload the file
Have the EC2 instance assume a role to obtain the privileges to upload the file
Modify the S3 bucket policy so that any service can upload to it at any time.
A company wants to manage access and permissions for its third-party software as a service (SaaS) applications so that end users can access assigned AWS accounts and AWS Cloud applications. Which AWS service should the company use?
Amazon Cognito
AWS IAM Identity Centre (AWS Single Sign-On)
AWS Identity and Access Management (IAM)
AWS Directory Service for Microsoft Active Directory
A company wants to automatically patch its Windows instances that are deployed in AWS. Which AWS service will meet these requirements?
AWS Systems Manager
AWS Organizations
AWS Control Tower
Elastic Load Balancing (ELB)
A company wants to run a NoSQL database on Amazon EC2 instances. Which task is the responsibility of AWS in this scenario?
A) Update the guest operating system of the EC2 instances.
B) Maintain high availability at the database layer.
Which option is a customer responsibility when using Amazon DynamoDB under the AWS shared responsibility model?
Physical security of DynamoDB
Patching of DynamoDB
Access to DynamoDB tables
Encryption of data at rest in DynamoDB
You have an on-premises network that contains several servers. You plan to migrate the servers to Azure. You need to ensure that some of the servers are available if a single Azure data center goes offline for maintenance. Which feature should you use?
fault tolerance
elasticity
scalability
low latency
A company is moving some of its on-premises IT services to the AWS Cloud. The company wants to see the entire bill so it can forecast spending limits. Which AWS tool or service should the company use?
AWS Cost Explorer
AWS Billing Dashboard
Which AWS service can the company use to set spending limits and receive alerts when limits are exceeded?
AWS Cost and Usage Reports
AWS Budgets
AWS Organizations consolidated billing
Cost Explorer
An auditor needs to find out whether a specific AWS service is compliant with regulations. Which AWS service will provide this information?
AWS Artifact
AWS Trusted Advisor
Amazon Guard Duty
AWS Certificate Manager (ACM)
A company wants to automatically run operating system command scripts on a schedule in the MOST operationally efficient way. Which AWS service should they use?
AWS Organizations
AWS Control Tower
AWS Lambda
A company is planning to replace its physical on-premises compute servers with AWS Cloud infrastructure. The company wants to take advantage of advanced technologies quickly after the migration. Which pillar of the AWS Well-Architected Framework does this scenario relate to?
Security
Performance efficiency
Operational excellence
Reliability
A company is running and managing its own Docker environment on Amazon EC2 instances. The company wants to reduce the operational overhead of provisioning, scheduling, and environment maintenance. Which AWS service meets these requirements?
AWS Lambda
Amazon RDS
AWS Fargate
Amazon Athena
A developer needs to use a standardized template to create copies of a complete AWS environment for development, test, and production environments. Which AWS service should the developer use?
AWS CloudFormation
AWS Elastic Beanstalk
AWS OpsWorks
AWS CodeDeploy
A company has deployed applications on Amazon EC2 instances. The company wants to identify deployments that do not meet best practices. Which AWS service can the company use to meet these requirements?
AWS Trusted Advisor
Amazon Inspector
AWS Config
Amazon GuardDuty
A company wants to move its iOS application development and build activities to AWS. Which AWS service or resource should the company use for these activities?
AWS Code Commit
Amazon EC2 M1 Mac instances
A company needs to launch an Amazon EC2 instance. Which of the following can the company use during the launch process to configure the root volume of the EC2 instance?
Amazon EC2 Auto Scaling
Amazon Data Lifecycle Manager (Amazon DLM)
Amazon Machine Image (AMI)
Amazon Elastic Block Store (Amazon EBS) volume
A company wants to manage access and permissions for its third-party software as a service (SaaS) applications so that end users can access assigned AWS accounts and AWS Cloud applications. Which of the following should the company use?
Amazon Cognito
AWS IAM Identity Centre (AWS Single Sign-On)
AWS Identity and Access Management (IAM)
AWS Directory Service for Microsoft Active Directory
Which AWS service can generate information that can be used by external auditors to assess compliance?
Amazon Cognito
Amazon FSx
AWS Config
Amazon Inspector
A company is building a web application using AWS. Which AWS service will help prevent network layer DDoS attacks against the application?
AWS WAF
AWS Firewall Manager
Amazon GuardDuty
AWS Shield
A company wants to manage access and permissions for its third-party software as a service (SaaS) applications so that end users can access assigned AWS accounts and AWS Cloud applications.
Amazon Cognito
AWS IAM Identity Centre (AWS Single Sign-On)
AWS Identity and Access Management (IAM)
AWS Directory Service for Microsoft Active Directory
A company wants to automatically run operating system command scripts on Amazon EC2 instances. Which AWS service provides the MOST operationally efficient way?
AWS Organizations
AWS Control Tower
AWS Lambda
AWS Systems Manager
A company is migrating to the AWS Cloud instead of running its infrastructure on premises. Which of the following is an advantage of the AWS Cloud?
Increased global reach and agility and Ability to deploy globally in minutes
Elimination of the need to perform security auditing
Elimination of the cost of IT staff members
Redundancy by default for all compute services
A company plans to use an Amazon Snowball Edge device to transfer files to AWS. Which activities related to a Snowball Edge device are available to the company?
Use of the Snowball Edge appliance for a 10-day period
The transfer of data out of Amazon S3 and to the Snowball Edge appliance
Which AWS Cloud Adoption Framework (AWS CAF) perspective focuses on cataloging data products in a data catalog?
Operations
Governance
Business
Platform
Some departments do not use all the Reserved Instances that they purchase. The company needs to manage the AWS accounts for all the departments separately. Which AWS tool should the company use to meet these requirements?
AWS Systems Manager
Cost Explorer
AWS Trusted Advisor
AWS Organizations
Which AWS service is a fully managed NoSQL database service?
(a)
Which pillar of the AWS Well-Architected Framework refers to the ability of a system to acquire computing resources to meet demand?
Security
Reliability
Performance efficiency
Cost optimization
A company runs a legacy workload in an on-premises data center. The company wants to migrate the workload to AWS. The company does not want to make any changes to the workload. Which migration strategy should the company use?
Repurchase
Replatform
Rehost
A company wants to minimize network latency between its Amazon EC2 instances. Which solution meets these requirements?
Use EC2 instances in a single Availability Zone.
Use Amazon CloudFront as the database for the EC2 instances.
Use EC2 instances in the same edge location and the same Availability Zone.
Use EC2 instances in the same edge location and the same AWS Region.
A company needs to convert video files and audio files to a format that will play on smartphones. Which AWS service will meet this requirement?
Amazon Comprehend
Amazon Rekognition
Amazon Elastic Transcoder
Amazon Polly
Which AWS service or tool provides users with a graphical interface that they can use to manage AWS services?
AWS Copilot
AWS CLI
A company wants to minimize network latency between its Amazon EC2 instances and its database. Which solution meets these requirements?
A. Use EC2 instances in a single Availability Zone.
B. Use Amazon CloudFront as the database for the EC2 instances.
C. Use EC2 instances in the same edge location and the same Availability Zone.
D. Use EC2 instances in the same edge location and the same AWS Region.
What is a benefit of using an Elastic Load Balancing (ELB) load balancer with the AWS Cloud?
An ELB will automatically scale resources to meet capacity needs.
An ELB can balance traffic across multiple compute resources.
An ELB can span multiple AWS Regions.
An ELB can balance traffic between multiple internet gateways.
A company runs an application that processes data for a few minutes and is invoked only a few times each day. The company wants to minimize costs when running this application on the AWS Cloud. Which AWS service will support this application MOST cost-effectively?
Amazon Elastic Container Service (Amazon ECS)
AWS Lambda
Amazon Elastic Kubernetes Service (Amazon EKS)
Amazon EC2
Which AWS service should a company use to organize, characterize, and search a large amount of images?
Amazon Transcribe
Amazon Rekognition
Amazon Aurora
Amazon QuickSight
Which AWS service can generate information that can be used by external applications?
Amazon Cognito
Amazon FSx
Which option is a perspective that includes foundational capabilities of the AWS Well-Architected Framework?
Sustainability
Performance efficiency
Governance
Reliability
A company wants to use an AWS networking solution that can act as a central hub to connect multiple VPCs and on-premises networks. Which AWS service or feature will meet this requirement?
Gateway VPC endpoint
AWS Direct Connect
AWS Transit Gateway
AWS PrivateLink
A company wants to transport 100 TB of data from its data center to AWS with minimal downtime. Which AWS service will meet this requirement?
AWS Snowcone
AWS Snowball Edge
AWS Data Exchange
AWS DataSync
Which AWS Support plan provides the full set of AWS Trusted Advisor checks?
AWS Developer Support
AWS Business Support
AWS Enterprise On-Ramp Support
AWS Enterprise Support
Which of the following are benefits of migrating to the AWS Cloud?
Operational resilience & Business agility
Discounts for products on Amazon.com Business agility
Business excellence
Increased staff retention
A company has a centralized group of users with large file storage requirements. The company wants to extend its file storage capabilities for this group while retaining the performance of on-premises file storage. What is the MOST operationally efficient AWS solution for this scenario?
Create an Amazon S3 bucket for each user. Mount each bucket by using an S3 file system driver.
Configure and deploy an AWS Storage Gateway file gateway. Connect each user's on-premises environment to the file gateway.
Move each user's working environment to Amazon WorkSpaces. Set up an Amazon WorkDocs site for each user.
Deploy an Amazon EC2 instance and attach an Amazon Elastic Block Store (Amazon EBS) volume for each user.
Which AWS service or resource can provide discounts on some AWS services?
Amazon Detective
AWS Pricing
Savings Plans
Basic Support
A company has teams that have different job roles and responsibilities. The company wants to manage permissions for the employees so that the permissions are appropriate for their job roles. Which AWS service should the company use to manage permissions?
AWS Identity and Access Management (IAM)
AWS CloudTrail
AWS Config
AWS Organizations
Which IAM resource should the company use to meet this requirement with AWS?
IAM user groups
IAM roles
IAM instance profiles
IAM policies for individual users
A company needs to deploy applications in the AWS Cloud as quickly as possible and simplify the management of AWS resources. Which AWS service should the company use to meet these requirements?
AWS Elastic Beanstalk
AWS config
Amazon EC2
Amazon Personalize
