CLF-C01 Amazon-Web-Services Exam Questions and Free Practice Test

Question 13

Kunal is managing an application running on an on-premises data center. What best describes the challenges he faces that someone using the AWS cloud does not?
Choose the Correct Answer

A. Kunal must research what size (compute capacity) servers he needs to run his application.

B. Kunal must know how to properly configure network level security.

C. Kunal must predict future growth, and scaling can be costly and time consuming.

D. None of the abov

Correct Answer:C
Scaling is much faster and cost-effecting on the AWS cloud. With on-demand instances and autoscaling, future growth does not have to be predicted. More compute capacity can be added gradually
as demand increases.

Question 14

Kim is managing a web application running on the AWS cloud. The application is currently utilizing eight EC2 servers for its compute platform. Earlier today, two of those web servers crashed; however, none of her customer were effected. What has Kim done correctly in this scenario?
Choose the Correct Answer

A. Properly built an elastic system.

B. Properly built a scalable system

C. Properly build a fault tolerant system.

D. None of the abov

Correct Answer:C
A fault tolerant system is one that can sustain a certain amount of failure while still remaining operational.

Question 15

What are the primary benefits of using Lambda? (Select all that apply) Choose the 2 Correct answers:

A. Pay for only the compute time you consume.

B. Wide variety of operating systems to select from.

C. Actively select and manage instance type and capacity.

D. Run code without provisioning server

Correct Answer:AD
Lambda, being AWS's serverless compute platform, means there are no servers, instance types, or capacity to select. That is all managed for you. With Lambda, you only for the when your code is actually being executed.

Question 16

You have been tasked by your department head to upload a batch of files to an S3 bucket; however, when you select S3 on the AWS console, you see a notification stating that you do not have permission to access S3. What is the most probable cause of this error?
Choose the Correct Answer

A. It takes 24 hours go get access to S3.

B. The S3 service is currently down for maintenance.

C. You do not have an S3 access policy attached to your IAM user.

D. Your boss has not enabled proper bucket permission

Correct Answer:C
If you get an error stating that you do not have proper permissions to access/use and AWS service, then most likely your IAM user does not have the proper permission policy attached.

Question 17

If you want in-depth details on how to create, manage, and attach IAM access policies to IAM users, in what AWS resource should you look?
Choose the Correct Answer

A. AWS How-To-Help Section

B. AWS Service Documentation

C. AWS Whitepapers

D. None of the above

Correct Answer:B
AWS Service documentation is a collection of documents specific to each AWS service. They contain detailed how-to's, as well as technical walkthroughs and specifications.

Question 18

What best describes the concept of high availability?
Choose the Correct Answer

A. The ability for a system to grow and shrink based on demand.

B. The ability for a system to withstand a certain amount of failure and still remain functional.

C. The ability for a system to grow in size, capacity, and/or scope.

D. The ability for a system be accessible when you attempt to access i

Correct Answer:D
High availability refers to the concept that something will be accessible when you try to access it. An object or web application is "highly available" when it is accessible a vast majority of the time.

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