Amazon Amazon Certifications CLF-C01 Questions & Answers

• Question 2011:

  A solution that is able to support growth in users, traffic, or data size with no drop in performance aligns with which cloud architecture principle?

  A. Think parallel

  B. Implement elasticity

  C. Decouple your components

  D. Design for failure

  Correct Answer: B

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

• Question 2012:

  A company will be moving from an on-premises data center to the AWS Cloud. What would be one financial difference after the move?

  A. Moving from variable operational expense (opex) to upfront capital expense (capex).

  B. Moving from upfront capital expense (capex) to variable capital expense (capex).

  C. Moving from upfront capital expense (capex) to variable operational expense (opex).

  D. Elimination of upfront capital expense (capex) and elimination of variable operational expense (opex)

  Correct Answer: C

• Question 2013:

  How should a customer forecast the future costs for running a new web application?

  A. Amazon Aurora Backtrack

  B. Amazon CloudWatch Billing Alarms

  C. AWS Simple Monthly Calculator

  D. AWS Cost and Usage report

  Correct Answer: D

  You can use Cost explorer which is part of Cost and Usage report to forecast future costs of running an application. Reference: https://docs.aws.amazon.com/awsaccountbilling/latest/aboutv2/ce-forecast.html

• Question 2014:

  How does AWS shorten the time to provision IT resources?

  A. It supplies an online IT ticketing platform for resource requests.

  B. It supports automatic code validation services.

  C. It provides the ability to programmatically provision existing resources.

  D. It automates the resource request process from a company's IT vendor list.

  Correct Answer: C

• Question 2015:

  Which AWS services can be used to gather information about AWS account activity? (Choose two.)

  A. Amazon CloudFront

  B. AWS Cloud9

  C. AWS CloudTrail

  D. AWS CloudHSM

  E. Amazon CloudWatch

  Correct Answer: CE

  AWS offers a solution that uses AWS CloudTrail to log account activity, Amazon Kinesis to compute and stream metrics in real-time, and Amazon DynamoDB to durably store the computed data. Metrics are calculated for create, modify, and delete API calls for more than 60 supported AWS services. The solution also features a dashboard that visualizes your account activity in real-time.

  Reference: https://aws.amazon.com/solutions/real-time-insights-account-activity/

• Question 2016:

  Which of the following common IT tasks can AWS cover to free up company IT resources? (Choose two.)

  A. Patching databases software

  B. Testing application releases

  C. Backing up databases

  D. Creating database schema

  E. Running penetration tests

  Correct Answer: AC

• Question 2017:

  In which scenario should Amazon EC2 Spot Instances be used?

  A. A company wants to move its main website to AWS from an on-premises web server.

  B. A company has a number of application services whose Service Level Agreement (SLA) requires 99.999% uptime.

  C. A company's heavily used legacy database is currently running on-premises.

  D. A company has a number of infrequent, interruptible jobs that are currently using On-Demand Instances.

  Correct Answer: D

  Reference: https://docs.aws.amazon.com/whitepapers/latest/cost-optimization-leveraging-ec2-spot-instances/spot-instance-interruptions.html

• Question 2018:

  Which AWS feature should a customer leverage to achieve high availability of an application?

  A. AWS Direct Connect

  B. Availability Zones

  C. Data centers

  D. Amazon Virtual Private Cloud (Amazon VPC)

  Correct Answer: B

  This is to achieve High Availability for any web application (in this case SwiftCode) deployed in AWS. The following features will be present:

  High availability across multiple instances/multiple availability zones. Auto Scaling of instances (scale up and scale down) based on number of requests coming in Additional Security to the instances/database that are in production No impact to end users during newer version of code deployment No Impact during patching the instances

  Reference: https://betsol.com/2018/01/how-to-make-high-availability-web-applications-on-amazon-web-services/

• Question 2019:

  Which is the minimum AWS Support plan that includes Infrastructure Event Management without additional costs?

  A. Enterprise

  B. Business

  C. Developer

  D. Basic

  Correct Answer: B

  Reference: https://aws.amazon.com/premiumsupport/plans/

• Question 2020:

  Which AWS service can serve a static website?

  A. Amazon S3

  B. Amazon Route 53

  C. Amazon QuickSight

  D. AWS X-Ray

  Correct Answer: A

  You can host a static website on Amazon Simple Storage Service (Amazon S3). On a static website, individual webpages include static content. They might also contain client-side scripts. By contrast, a dynamic website relies on server-side processing, including server-side scripts such as PHP, JSP, or ASP.NET. Amazon S3 does not support server-side scripting.

  Reference: https://docs.aws.amazon.com/AmazonS3/latest/dev/WebsiteHosting.html