Amazon CLF-C01 Online Practice Questions and Exam Preparation

Amazon CLF-C01 Online Questions & Answers

• Question 1821:

  A company is launching an ecommerce application that must always be available. The application will run on Amazon EC2 instances continuously for the next 12 months. What is the MOST cost-effective instance purchasing option that meets these requirements?

  A. Spot Instances
  B. Savings Plans
  C. Dedicated Hosts
  D. On-Demand Instances
  B. Savings Plans

  ---

  Explanation/Reference:

  Amazon EC2 Savings Plans enable you to reduce your compute costs by committing to a consistent amount of compute usage for a 1-year or 3-year term. This results in savings of up to 72% over On- Demand Instance costs. Any usage up to the commitment is charged at the discounted Savings Plan rate (for example, $10 an hour). Any usage beyond the commitment is charged at regular On-Demand Instance rates.

• Question 1822:

  Which AWS service is suitable for an event-driven workload?

  A. Amazon EC2
  B. AWS Elastic Beanstalk
  C. AWS Lambda
  D. Amazon Lumberyard
  C. AWS Lambda

• Question 1823:

  Which AWS service or tool can a company use to visualize, understand, and manage AWS spending and usage over time?

  A. AWS Trusted Advisor
  B. Amazon CloudWatch
  C. Cost Explorer
  D. AWS Budgets
  C. Cost Explorer

  ---

  Explanation/Reference:

  The AWS service or tool that a company can use to visualize, understand, and manage AWS spending and usage over time is C. Cost Explorer. Cost Explorer is a cost management tool provided by AWS that allows users to visualize, understand, and manage AWS spending and usage over time. It provides various features and functionalities to help users analyze their AWS costs and usage, such as cost and usage reports, custom cost allocation tags, and budgeting tools

• Question 1824:

  A company needs to use standard SQL to query and combine exabytes of structured and semi-structured data across a data warehouse, operational database, and data lake. Which AWS service meets these requirements?

  A. Amazon DynamoDB
  B. Amazon Aurora
  C. Amazon Athena
  D. Amazon Redshift
  C. Amazon Athena

  ---

  Explanation/Reference:

  Amazon Athena is an interactive query service that enables you to analyze data in Amazon S3 using standard SQL. Athena is serverless, which means there are no infrastructure to manage or scale, and it can handle exabytes of data. Athena supports various data formats such as CSV, JSON, ORC, Avro, and Parquet. You can easily combine and query data from different sources in Amazon S3 using Athena.

• Question 1825:

  Which tool or feature provides a report to forecast AWS billing costs for the next 3 months?

  A. Consolidated billing
  B. AWS Budgets
  C. AWS Cost and Usage Report
  D. Cost Explorer
  D. Cost Explorer

• Question 1826:

  What AWS service would be used to centrally manage AWS access across multiple accounts?

  A. AWS Service Catalog
  B. AWS Config
  C. AWS Trusted Advisor
  D. AWS Organizations
  D. AWS Organizations

  ---

  Explanation/Reference:

  To improve control over your AWS environment, you can use AWS Organizations to create groups of accounts, and then attach policies to a group to ensure the correct policies are applied across the accounts without requiring custom scripts and manual processes.

  Reference: https://aws.amazon.com/organizations/

• Question 1827:

  A company wants to expand its content delivery network infrastructure.

  Which AWS service should be used?

  A. Amazon S3
  B. Amazon CloudFront
  C. AWS Global Accelerator
  D. Amazon Route 53
  B. Amazon CloudFront

• Question 1828:

  Which AWS tool gives users the ability to plan their service usage, service costs, and instance reservations, and also allows them to set custom alerts when their costs or usage exceed established thresholds?

  A. Cost Explorer
  B. AWS Budgets
  C. AWS Cost and Usage Report
  D. Reserved Instance reporting
  B. AWS Budgets

• Question 1829:

  A company needs to process data from satellite communications without managing any infrastructure.

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

  A. Amazon CloudWatch
  B. Amazon Aurora
  C. Amazon Athena
  D. AWS Ground Station
  D. AWS Ground Station

  ---

  Explanation/Reference:

  AWS Ground Station is a fully managed service that lets you control satellite communications, process data, and scale your operations without having to worry about building or managing your own ground station infrastructure. Satellites are used for a wide variety of use cases, including weather forecasting, surface imaging, communications, and video broadcasts. Ground stations form the core of global satellite networks. With AWS Ground Station, you have direct access to AWS services and the AWS Global Infrastructure including a low-latency global fiber network. For example, you can use Amazon S3 to store the downloaded data, Amazon Kinesis Data Streams for managing data ingestion from satellites, and Amazon SageMaker for building custom machine learning applications that apply to your data sets. You can save up to 80% on the cost of your ground station operations by paying only for the actual antenna time used, and relying on the global footprint of ground stations to download data when and where you need it. There are no long-term commitments, and you gain the ability to rapidly scale your satellite communications on-demand when your business needs it.

• Question 1830:

  Which AWS service can run a managed PosigreSQL database that provides online transaction processing (OLTP)?

  A. Amazon DynamoDB
  B. Amazon Athena
  C. Amazon RDS
  D. Amazon EMR
  C. Amazon RDS