Amazon Amazon Certifications CLF-C01 Questions & Answers

• Question 811:

  A user has a stateless and restartable application that will run on an Amazon EC2 instance for 2 hours at a time.

  Which purchase option is the MOST cost-effective?

  A. On-Demand Instances

  B. Reserved Instances

  C. Dedicated Instances

  D. Spot Instances

  Correct Answer: D

• Question 812:

  Which AWS service is a fully managed source control service that hosts secure Git-based repositories?

  A. AWS CodeCommit

  B. AWS CodeStar

  C. Amazon CodeGuru

  D. AWS CodePipeline

  Correct Answer: A

• Question 813:

  A company needs to send time-critical messages to multiple subscribers through a push mechanism.

  Which AWS service should the company use?

  A. Amazon Kinesis

  B. Amazon MQ

  C. Amazon Simple Queue Service (Amazon SQS)

  D. Amazon Simple Notification Service (Amazon SNS)

  Correct Answer: D

• Question 814:

  A company has all of its servers in the us-east-1 Region. The company is considering the deployment of additional servers in a different Region. Which AWS tool should the company use to find pricing information for other Regions?

  A. Cost Explorer

  B. AWS Budgets

  C. AWS Purchase Order Management

  D. AWS Pricing Calculator

  Correct Answer: D

  The AWS Pricing Calculator is a tool that allows users to estimate the cost of using AWS services in different regions. It helps to compare prices across different AWS regions and provides an estimated monthly cost based on the user's expected usage of AWS services. This tool takes into account factors such as region, service type, instance type, and usage levels to provide accurate pricing estimates.

• Question 815:

  Making frequent, small, reversible changes is a design principle of which pillar of the AWS Well-Architected Framework?

  A. Reliability

  B. Operational excellence

  C. Performance efficiency

  D. Cost optimization

  Correct Answer: B

• Question 816:

  Which factors affect costs in the AWS Cloud? (Choose two.)

  A. The number of unused AWS Lambda functions

  B. The number of configured Amazon S3 buckets

  C. Inbound data transfers without acceleration

  D. Outbound data transfers without acceleration

  E. Compute resources that are currently in use

  Correct Answer: CD

• Question 817:

  A company hosts an application on multiple Amazon EC2 instances. The application uses Amazon Simple Notification Service (Amazon SNS) to send messages.

  Which AWS service or feature will give the application permission to access required AWS services?

  A. AWS Certificate Manager (ACM)

  B. IAM roles

  C. AWS Security Hub

  D. Amazon GuardDuty

  Correct Answer: B

• Question 818:

  A company has a business-critical Amazon RDS for MySQL DB instance that resides in a single Availability Zone.

  Which solution will improve the availability of the DB instance?

  A. Convert the DB instance into a multi-Region deployment.

  B. Create an Amazon Simple Queue Service (Amazon SQS) queue in the same AWS Region to manage writes to the DB instance.

  C. Convert the DB instance into a Multi-AZ deployment.

  D. Create an Amazon Simple Queue Service (Amazon SQS) queue in a different AWS Region to manage writes to the DB instance.

  Correct Answer: C

• Question 819:

  A company wants to analyze streaming user data and respond to customer queries in real time.

  Which AWS service can meet these requirements?

  A. Amazon QuickSight

  B. Amazon Redshift

  C. Amazon Kinesis Data Analytics

  D. AWS Data Pipeline

  Correct Answer: C

  Amazon Kinesis is the AWS service that makes it easy to collect, process, and analyze such real-time, streaming data with four different capabilities: Kinesis Data Streams: Enables ingesting, buffering, and custom processing of your streaming data.

• Question 820:

  A company is moving its on-premises key-value database to the AWS Cloud. Which AWS service will support this use case?

  A. Amazon RDS

  B. Amazon ElastiCache

  C. Amazon DynamoDB

  D. Amazon Redshift

  Correct Answer: C