Amazon CLF-C01 Online Practice Questions and Exam Preparation

Amazon CLF-C01 Online Questions & Answers

• Question 981:

  A company is considering migrating its applications to AWS. The company wants to compare the cost of running the workload on-premises to running the equivalent workload on the AWS platform. Which tool can be used to perform this comparison?

  A. AWS Simple Monthly Calculator
  B. AWS Total Cost of Ownership (TCO) Calculator
  C. AWS Billing and Cost Management console
  D. Cost Explorer
  B. AWS Total Cost of Ownership (TCO) Calculator

  ---

  Explanation/Reference:

  TCO calculator compare the cost of running your applications in an on-premises or colocation environment to AWS. Reference: https://awstcocalculator.com

• Question 982:

  When a user wants to utilize their existing per-socket per-core, or per-virtual machine software licenses for a Microsoft Windows server running on AWS, which Amazon EC2 instance type is required?

  A. Spot Instances
  B. Dedicated instances
  C. Dedicated Hosts
  D. Reserved Instances
  C. Dedicated Hosts

• Question 983:

  How can a company reduce its Total Cost of Ownership (TCO) using AWS?

  A. By minimizing large capital expenditures
  B. By having no responsibility for third-party license costs
  C. By having no operational expenditures
  D. By having AWS manage applications
  A. By minimizing large capital expenditures

  ---

  Explanation/Reference:

  AWS helps you reduce Total Cost of Ownership (TCO) by reducing the need to invest in large capital expenditures and providing a pay-as-you-go model that empowers you to invest in the capacity you need and use it only when the business requires it.

  Reference: https://aws.amazon.com/tco-calculator/

• Question 984:

  Which design principle is included in the operational excellence pillar of the AWS Well-Architected Framework?

  A. Create annotated documentation.
  B. Anticipate failure.
  C. Ensure performance efficiency.
  D. Optimize costs.
  B. Anticipate failure.

  ---

  Explanation/Reference:

  Answer is B, since part of the operational excellence is to anticipate failures by running and managing along with monitoring production workloads. Also continuous improvement is part of Operational Excellence.

• Question 985:

  Who enables encryption of data at rest for Amazon Elastic Block Store (Amazon EBS)?

  A. AWS Support
  B. AWS customers
  C. AWS Key Management Service (AWS KMS)
  D. AWS Trusted Advisor
  B. AWS customers

  ---

  Explanation/Reference:

  B. AWS Customers.

  -- Newly created Amazon EBS volumes aren't encrypted by default.-- You, as an AWS Customer, can turn on default encryption for new EBS volumes. >> https://aws.amazon.com/premiumsupport/knowledge-center/ebs-automatic-encryption/

  #:~:text=Short% 20description,Cloud%20(Amazon%20EC2)%20console.

• Question 986:

  According to security best practices, how should an Amazon EC2 instance be given access to an Amazon S3 bucket?

  A. Hard code an IAM user's secret key and access key directly in the application, and upload the file.
  B. Store the IAM user's secret key and access key in a text file on the EC2 Instance, read the keys, then upload the file.
  C. Have the EC2 instance assume a role to obtain the privileges to upload the file.
  D. Modify the S3 bucket policy so that any service can upload to it at any time.
  C. Have the EC2 instance assume a role to obtain the privileges to upload the file.

• Question 987:

  Under the AWS shared responsibility model, which of the following is a customer responsibility?

  A. Installing security patches for the Xen and KVM hypervisors
  B. Installing operating system patches for Amazon DynamoDB
  C. Installing operating system security patches for Amazon EC2 database instances
  D. Installing operating system security patches for Amazon RDS database instances
  C. Installing operating system security patches for Amazon EC2 database instances

  ---

  Explanation/Reference:

  Reference: https://aws.amazon.com/compliance/shared-responsibility-model/

• Question 988:

  Amazon Relational Database Service (Amazon RDS) offers which of the following benefits over traditional database management?

  A. AWS manages the data stored in Amazon RDS tables.
  B. AWS manages the maintenance of the operating system.
  C. AWS automatically scales up instance types on demand.
  D. AWS manages the database type.
  C. AWS automatically scales up instance types on demand.

• Question 989:

  An AWS user wants to proactively detect when an Instance or account might be compromised or if there are threats from attacks. Which AWS service should the user choose?

  A. Amazon GuardDuty
  B. AWSWAF
  C. AWS Shield
  D. Amazon Inspector
  A. Amazon GuardDuty

• Question 990:

  AWS trusted advisor can monitor and provide advice on what characteristics of an AWS account?

  A. Compliance with security best practices
  B. Application performance
  C. Network utilization
  D. Cost optimization
  E. Compliance status
  A. Compliance with security best practices
  D. Cost optimization

  ---

  Explanation/Reference:

  Reference: https://aws.amazon.com/blogs/startups/optimizing-latency-and-bandwidth-for-aws-traffic/