Amazon AWS Certified Cloud Practitioner CLF-C01
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#21 (Accuracy: 98% / 23 votes)
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?
  • A. Use Amazon EC2 to see if the security group was changed.
  • B. Use AWS Identity and Access Management (IAM) to see which user or role changed the security group.
  • C. Use AWS CloudTrail to see if the security group was changed.
  • D. Use Amazon CloudWatch to see if the security group was changed.
#22 (Accuracy: 96% / 19 votes)
Which AWS service will help protect applications running on AWS from DDoS attacks?
  • A. Amazon GuardDuty
  • B. AWS WAF
  • C. AWS Shield
  • D. Amazon Inspector
#23 (Accuracy: 100% / 16 votes)
Which AWS service or feature acts as a firewall for Amazon EC2 instances?
  • A. Network ACL
  • B. Elastic network interface
  • C. Amazon VPC
  • D. Security group
#24 (Accuracy: 100% / 16 votes)
A company has a single Amazon EC2 instance. The company wants to adopt a highly available architecture.
What can the company do to meet this requirement?
  • A. Scale vertically to a larger EC2 instance size.
  • B. Scale horizontally across multiple Availability Zones.
  • C. Purchase an EC2 Dedicated Instance.
  • D. Change the EC2 instance family to a compute optimized instance.
#25 (Accuracy: 99% / 78 votes)
A company's on-premises application deployment cycle was 3-4 weeks. After migrating to the AWS Cloud, the company can deploy the application in 2-3 days.
Which benefit has this company experienced by moving to the AWS Cloud?
  • A. Elasticity
  • B. Flexibility
  • C. Agility
  • D. Resilience
#26 (Accuracy: 100% / 13 votes)
A company wants to limit its employees' AWS access to a portfolio of predefined AWS resources.
Which AWS solution should the company use to meet this requirement?
  • A. AWS Config
  • B. AWS software development kits (SDKs)
  • C. AWS Service Catalog
  • D. AWS AppSync
#27 (Accuracy: 100% / 11 votes)
An online company was running a workload on premises and was struggling to launch new products and features. After migrating the workload to AWS, the company can quickly launch products and features and can scale its infrastructure as required.
Which AWS Cloud value proposition does this scenario describe?
  • A. Business agility
  • B. High availability
  • C. Security
  • D. Centralized auditing
#28 (Accuracy: 93% / 14 votes)
Which of the following are advantages of the AWS Cloud? (Choose two.)
  • A. AWS management of user-owned infrastructure
  • B. Ability to quickly change required capacity
  • C. High economies of scale
  • D. Increased deployment time to market
  • E. Increased fixed expenses
#29 (Accuracy: 100% / 13 votes)
AWS has the ability to achieve lower pay-as-you-go pricing by aggregating usage across hundreds of thousands of users.
This describes which advantage of the AWS Cloud?
  • A. Launch globally in minutes
  • B. Increase speed and agility
  • C. High economies of scale
  • D. No guessing about compute capacity
#30 (Accuracy: 100% / 9 votes)
A company has a database server that is always running. The company hosts the server on Amazon EC2 instances. The instance sizes are suitable for the workload. The workload will run for 1 year.
Which EC2 instance purchasing option will meet these requirements MOST cost-effectively?
  • A. Standard Reserved Instances
  • B. On-Demand Instances
  • C. Spot Instances
  • D. Convertible Reserved Instances