Amazon Amazon Certifications CLF-C01 Questions & Answers

• Question 1571:

  How do AWS users trade infrastructure expenses for operational expenses?

  A. Secure their physical infrastructure to prevent malicious attacks.

  B. Use AWS Budgets to ensure that spending on AWS resources does not exceed preset thresholds.

  C. Eliminate the electricity costs that are associated with the hosting of physical servers.

  D. Use AWS Auto Scaling to dynamically increase and decrease compute resources as needed.

  Correct Answer: D

  The service provides a simple, powerful user interface that lets you build scaling plans for resources including Amazon EC2 instances and Spot Fleets, Amazon ECS tasks, Amazon DynamoDB tables and indexes, and Amazon Aurora Replicas.

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

• Question 1572:

  A developer has been hired by a large company and needs AWS credentials. Which are security best practices that should be followed? (Choose two.)

  A. Grant the developer access to only the AWS resources needed to perform the job.

  B. Share the AWS account root user credentials with the developer.

  C. Add the developer to the administrator's group in AWS IAM.

  D. Configure a password policy that ensures the developer's password cannot be changed.

  E. Ensure the account password policy requires a minimum length.

  Correct Answer: AE

• Question 1573:

  A cloud practitioner needs an Amazon EC2 instance to launch and run for 7 hours without interruptions. What is the most suitable and cost-effective option for this task?

  A. On-Demand Instance

  B. Reserved Instance

  C. Dedicated Host

  D. Spot Instance

  Correct Answer: D

  Reference: https://aws.amazon.com/ec2/spot/details/

• Question 1574:

  What is a characteristic of Convertible Reserved Instances (RIs)?

  A. Users can exchange Convertible RIs for other Convertible RIs from a different instance family.

  B. Users can exchange Convertible RIs for other Convertible RIs in different AWS Regions.

  C. Users can sell and buy Convertible RIs on the AWS Marketplace.

  D. Users can shorten the term of their Convertible RIs by merging them with other Convertible RIs.

  Correct Answer: A

  Reference: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ri-convertible-exchange.html

• Question 1575:

  Which are benefits of using Amazon RDS over Amazon EC2 when running relational databases on AWS? (Choose two.)

  A. Automated backups

  B. Schema management

  C. Indexing of tables

  D. Software patching

  E. Extract, transform, and load (ETL) management

  Correct Answer: AD

  Reference: https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Welcome.html

• Question 1576:

  A company has multiple data sources across the organization and wants to consolidate data into one data warehouse. Which AWS service can be used to meet this requirement?

  A. Amazon DynamoDB

  B. Amazon Redshift

  C. Amazon Athena

  D. Amazon QuickSight

  Correct Answer: B

  Reference: https://aws.amazon.com/redshift/faqs/

• Question 1577:

  Which AWS service can be used to track resource changes and establish compliance?

  A. Amazon CloudWatch

  B. AWS Config

  C. AWS CloudTrail

  D. AWS Trusted Advisor

  Correct Answer: B

  Reference: https://docs.aws.amazon.com/config/latest/developerguide/evaluate-config.html

• Question 1578:

  A user has a stateful workload that will run on Amazon EC2 for the next 3 years. What is the MOST cost-effective pricing model for this workload?

  A. On-Demand Instances

  B. Reserved Instances

  C. Dedicated Instances

  D. Spot Instances

  Correct Answer: A

  On-demand instances are useful for running stateful workloads without making a long-term commitment, but if your workloads are stateless or can tolerate shorter run cycles, there's a more cost-effective instance type called a Spot Instance.

  Reference: https://www.gremlin.com/blog/implementing-cost-saving-strategies-on-amazon-ec-2-with-chaos-engineering/

• Question 1579:

  Performing operations as code is a design principle that supports which pillar of the AWS Well-Architected Framework?

  A. Performance efficiency

  B. Operational excellence

  C. Reliability

  D. Security

  Correct Answer: B

  Reference: https://aws.amazon.com/blogs/apn/the-5-pillars-of-the-aws-well-architected-framework/

• Question 1580:

  Which design principle is achieved by following the reliability pillar of the AWS Well-Architected Framework?

  A. Vertical scaling

  B. Manual failure recovery

  C. Testing recovery procedures

  D. Changing infrastructure manually

  Correct Answer: C

  Reference: https://aws.amazon.com/blogs/apn/the-5-pillars-of-the-aws-well-architected-framework/