AWS Certified Cloud Practitioner

AWS Certified Cloud Practitioner practice questions, page 6 of 40, with answer review and explanations.

Question 26

What are some advantages of using Amazon EC2 instances to host applications in the AWS Cloud instead of on premises? (Choose two.)

  1. EC2 includes operating system patch management.
  2. EC2 integrates with Amazon VPC, AWS CloudTrail, and AWS Identity and Access Management (IAM).
  3. EC2 has a 100% service level agreement (SLA).
  4. EC2 has a flexible, pay-as-you-go pricing model.
  5. EC2 has automatic storage cost optimization.

Question 27

A user needs to determine whether an Amazon EC2 instance's security groups were modified in the last month. How can the user see if a change was made?

  1. Use Amazon EC2 to see if the security group was changed.
  2. Use AWS Identity and Access Management (IAM) to see which user or role changed the security group.
  3. Use AWS CloudTrail to see if the security group was changed.
  4. Use Amazon CloudWatch to see if the security group was changed.

Question 28

Which AWS service will help protect applications running on AWS from DDoS attacks?

  1. Amazon GuardDuty
  2. AWS WAF
  3. AWS Shield
  4. Amazon Inspector

Question 29

Which AWS service or feature acts as a firewall for Amazon EC2 instances?

  1. Network ACL
  2. Elastic network interface
  3. Amazon VPC
  4. Security group

Question 30

How does the AWS Cloud pricing model differ from the traditional on-premises storage pricing model?

  1. AWS resources do not incur costs
  2. There are no infrastructure operating costs
  3. There are no upfront cost commitments
  4. There are no software licensing costs