Amazon CLF-C01 Online Practice Questions and Exam Preparation

Amazon CLF-C01 Online Questions & Answers

• Question 551:

  A company wants to set up a Domain Name System (DNS) record for its application with a failover routing policy that is based on health checks. Which AWS service or resource should the company use to achieve this goal?

  A. Amazon Connect
  B. Application Load Balancer
  C. Amazon Route 53
  D. AWS WAF
  C. Amazon Route 53

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  Explanation/Reference:

  Amazon Route 53 does majorly two things:

  -

  It allows you to redirect/route end users of internet to web applications by translating domain names to IP addresses.

  -

  It has ability to reroute users to other ip addresses in cases of failure of the current ip address. keyword-> Domain name, Routing/redirecting users, failover routing

• Question 552:

  Which services use AWS edge locations? (Choose two.)

  A. Amazon CloudFront
  B. AWS Shield
  C. Amazon EC2
  D. Amazon RDS
  E. Amazon ElastiCache
  A. Amazon CloudFront
  C. Amazon EC2

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  Explanation/Reference:

  Reference: https://www.edureka.co/community/600/what-is-an-edge-location-in-aws

• Question 553:

  A company wants to estimate its expected monthly AWS costs. The company also wants to find out the cost of a new set of instances and services.

  Which AWS service or tool can the company use to meet these requirements?

  A. AWS Budgets
  B. AWS Pricing Calculator
  C. AWS Trusted Advisor
  D. AWS Marketplace
  B. AWS Pricing Calculator

• Question 554:

  A company needs to deploy applications in the AWS Cloud as quickly as possible. The company also needs to minimize the complexity that is related to the management of AWS resources. Which AWS service should the company use to meet these requirements?

  A. AWS config
  B. AWS Elastic Beanstalk
  C. Amazon EC2
  D. Amazon Personalize
  B. AWS Elastic Beanstalk

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  Explanation/Reference:

  Reference: https://docs.aws.amazon.com/elastic-beanstalk/index.html

• Question 555:

  Which AWS service or feature provides high availability and low latency within an AWS Region?

  A. Edge locations
  B. Availability Zones
  C. AWS Outposts
  D. Amazon Route 53
  B. Availability Zones

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  Explanation/Reference:

  The answer is B, Availability Zones. Availability Zones are physically separate data centers within the same region that are isolated from each other in terms of power and network connectivity. By deploying applications across multiple Availability Zones, customers can achieve high availability and fault tolerance.

• Question 556:

  An online retail company recently deployed a production web application. The system administrator needs to block common attack patterns such as SQL injection and cross-site scripting.

  Which AWS service should the administrator use to address these concerns?

  A. AWS WAF
  B. Amazon VPC
  C. Amazon GuardDuty
  D. Amazon CloudWatch
  A. AWS WAF

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  Explanation/Reference:

  Reference: https://aws.amazon.com/premiumsupport/knowledge-center/waf-block-common-attacks/

• Question 557:

  A company needs to migrate an existing on-premises database to the AWS Cloud. The company must be able to install custom software on the database instance. Which AWS service can the company use to meet these requirements?

  A. Amazon DynamoDB
  B. Amazon RDS
  C. Amazon EC2
  D. Amazon Redshift
  C. Amazon EC2

• Question 558:

  Which credential allows programmatic access to AWS resources for use from toe AWS CLI or the AWS API?

  A. User name and password
  B. Access keys
  C. SSH public keys
  D. AWS Key Management Service (AWS KMS) keys
  B. Access keys

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  Explanation/Reference:

  B. Access keys allow programmatic access to AWS resources for use from the AWS CLI or the AWS API.

  Access keys are a pair of access key ID and secret access key that are used to securely sign API requests to AWS services. These keys are necessary to authenticate API requests made using AWS SDKs, the AWS Command Line Interface (CLI), or directly using the APIs. The access keys can be created and managed through the AWS Management Console or through the AWS Identity and Access Management (IAM) API.

• Question 559:

  A company wants a cost-effective option when running its applications in an Amazon EC2 instance for short time periods. The applications can be interrupted. Which EC2 instance type will meet these requirements?

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

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  Explanation/Reference:

  Spot Instances- Spot Instances are the most cost-effective choice if you are flexible about when your applications run and if your applications can be interrupted.

• Question 560:

  According to best practices, how should an application be designed to run in the AWS Cloud?

  A. Use tighly coupled components.
  B. Use loosely coupled components.
  C. Use infrequently coupled components.
  D. Use frequently coupled components.
  B. Use loosely coupled components.

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  Explanation/Reference:

  Reference: https://d1.awsstatic.com/whitepapers/AWS_Cloud_Best_Practices.pdf