Amazon CLF-C01 Online Practice Questions and Exam Preparation

Amazon CLF-C01 Online Questions & Answers

• Question 1031:

  A company is running a standard PostgreSQL database on premises. The company is migrating the database to the AWS Cloud and does not want to change the queries that access the database. The company must maximize the query performance.

  Which AWS service will meet these requirements?

  A. Amazon RDS for PostgreSQL
  B. Amazon Aurora PostgreSQL
  C. Amazon DocumentDB (with MongoDB compatibility)
  D. Amazon DynamoDB
  A. Amazon RDS for PostgreSQL

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  Explanation/Reference:

  The correct answer is A. Amazon RDS for PostgreSQL.

  Amazon RDS for PostgreSQL is a fully managed database service that makes it easy to set up, operate, and scale PostgreSQL deployments in the cloud. It is designed to be compatible with existing PostgreSQL applications, so you can migrate your database to the cloud without changing your queries. Amazon RDS for PostgreSQL can also automatically scale the underlying hardware resources based on the workload, which can help maximize query performance.

  Amazon Aurora PostgreSQL is also a fully managed database service, but it is designed to be compatible with PostgreSQL and to offer improved performance and scalability. However, it is not a drop-in replacement for PostgreSQL, so you may need to modify your queries to take advantage of its features.

• Question 1032:

  A developer must extend an existing application that is based on the AWS Serverless Application Model (AWS SAM) The developer has used the AWS SAM CLI to create the project. The project contains different AWS Lambda functions. Which combination of commands must the developer use to redeploy the AWS SAM application? (Select TWO.)

  A. sam mit
  B. sam validate
  C. sam build
  D. sam deploy
  E. sam publish
  C. sam build
  D. sam deploy

• Question 1033:

  A global company is building a simple time-tracking mobile app. The app needs to operate globally and must store collected data in a database. Data must be accessible from the AWS Region that is closest to the user. What should the company do to meet these data storage requirements with the LEAST amount of operational overhead?

  A. Use Amazon EC2 in multiple Regions to host separate databases.
  B. Use Amazon RDS cross-Region replication.
  C. Use Amazon DynamoDB global tables.
  D. Use AWS Database Migration Service (AWS DMS).
  C. Use Amazon DynamoDB global tables.

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  Explanation/Reference:

  Hundreds of thousands of AWS customers have chosen DynamoDB as their key-value and document database for mobile, web, gaming, ad tech, IoT, and other applications that need low-latency data access at any scale. Create a new table for your application and let DynamoDB handle the rest.

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

• Question 1034:

  A user needs to generate a report that outlines the status of key security checks in an AWS account. The report must include:

  1.

  The status of Amazon S3 bucket permissions.

  2.

  Whether multi-factor authentication is enabled for the AWS account root user.

  3.

  If any security groups are configured to allow unrestricted access. Where can all this information be found in one location?

  A. Amazon QuickSight dashboard
  B. AWS CloudTrail trails
  C. AWS Trusted Advisor report
  D. IAM credential report
  C. AWS Trusted Advisor report

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  Explanation/Reference:

  Reference https://aws.amazon.com/premiumsupport/technology/trusted-advisor/best-practice-checklist/#Security

• Question 1035:

  A company wants optimized pricing for its Amazon EC2 instances. The applications running on these instances cannot tolerate interruptions, and the workloads must remain in operation for at least 1 year.

  Which purchasing options should the company use to meet these requirements? (Select TWO.)

  A. Reserved Instances
  B. Spot Instances
  C. AWS Marketplace subscriptions
  D. Savings Plans
  E. Dedicated Hosts
  A. Reserved Instances
  C. AWS Marketplace subscriptions

• Question 1036:

  A company with AWS Enterprise Support needs help understanding its monthly AWS bill and wants to implement billing best practices. Which AWS tool or resource is available to accomplish these goals?

  A. Resource tagging
  B. AWS Concierge Support team
  C. AWS Abuse team
  D. AWS Support
  B. AWS Concierge Support team

• Question 1037:

  Which AWS services help to improve application performance by reducing latency while accessing content globally? (Select TWO.)

  A. Amazon CloudFront
  B. AWS VPN
  C. AWS Direct Connect
  D. AWS Global Accelerator
  E. Amazon S3 Glacier
  A. Amazon CloudFront
  D. AWS Global Accelerator

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  Explanation/Reference:

  Reference: https://aws.amazon.com/blogs/networking-and-content-delivery/achieve-up-to-60-better-performance-for-internet-traffic-with-aws-global-accelerator/

• Question 1038:

  A company is increasing the load on its Amazon RDS DB instance by generating reports How can the company reduce the load on the DB instance?

  A. Move the DB instance to a second VPC
  B. Create a read replica
  C. Perform frequent snapshots
  D. Use multiple Availability Zones
  B. Create a read replica

• Question 1039:

  Which AWS service offers persistent storage for a file system?

  A. Amazon S3
  B. Amazon EC2 instance store
  C. Amazon Elastic Block Store (Amazon EBS)
  D. Amazon ElastiCache
  C. Amazon Elastic Block Store (Amazon EBS)

• Question 1040:

  What exclusive benefit is provided to users with Enterprise Support?

  A. Access to a Technical Project Manager
  B. Access to a Technical Account Manager
  C. Access to a Cloud Support Engineer
  D. Access to a Solutions Architect
  C. Access to a Cloud Support Engineer

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  Explanation/Reference:

  Reference: https://aws.amazon.com/premiumsupport/plans/enterprise/