Test 2 Questions

Question 1

What is the main difference between an Availability Zone and an edge location?

Answer 1

An Availability Zone is an isolated location within an AWS region. An edge location delivers cached content to the closest location to reduce latency for users.

Question 2

You are moving your company’s application to the AWS platform. Which principle below would be the best choice to maintain your application if some components fail?

Answer 2

Fault-tolerant design

Question 3

Which of the following statements is most accurate regarding scalability?

Answer 3

Scalable systems divert traffic to the instances with the least load.

Question 4

You are logged into a new AWS account your company has created for you, but keep getting an error when trying to access the EC2 Dashboard. What is the most likely reason for you not being able to access the EC2 Dashboard?

Answer 4

There is not an IAM access policy attached to your IAM user.

Question 5

You manage and maintain a web server and a cluster of databases that host the results of scientific experiments for new requests for funding and proposals. Most of the time, these resources are idle but become extremely busy when funding is awarded. What is the best choice for a cost-efficient architecture?

Answer 5

Configure a serverless architecture using AWS Lambda functions.

Question 6

Which of the following statements regarding Auto Scaling is most accurate?

Answer 6

Scales out resources based on demand

Question 7

An Edge Location is a specialized AWS data center that works with which AWS services?

Answer 7

• Lambda
• CloudFront
• Route 53

Question 8

There was an incident in your company’s AWS environment. You have been asked to review the API activity to determine the cause. What service captures AWS API calls and activity?

Answer 8

CloudTrail

Question 9

In the AWS Shared Responsibility Model, which of the following examples are the responsibility of AWS?

Answer 9

• Decommissioning media

* Securing edge locations

Question 10

What is the main benefit of CloudFront?

Answer 10

Built-in DDoS protection

Question 11

What AWS service would you use to help troubleshoot consistent runtime errors of your underlying microservices in your environment?

Answer 11

AWS X-Ray

Question 12

Your developers need to use .NET to call certain AWS services in your environment. What tool would you use?

Answer 12

AWS SDK

Question 13

What allows AWS to enable fast, easy, and secure file transfers over long distances between you and S3?

Answer 13

S3 Transfer Acceleration

Question 14

Which option below cannot be used with your AWS services in a programmatic way?

Answer 14

AWS Management Console

Question 15

What tool is best for forecasting your AWS spending?

Answer 15

AWS Cost Explorer

Question 16

You have a new requirement for your application that needs a set of servers for a short period of time of up to four months. While the instances are needed for a short period, the instances must be always available for the full duration. What instance type would be the best choice?

Answer 16

On-demand instances

Question 17

You have EC2 instances running at 90% utilization and you expect this to continue for at least a year. What type of EC2 instance would you choose to ensure your costs stay at a minimum and avoid interruption of the services on the EC2 instances?

Answer 17

Reserved instances

Question 18

What is the difference between Cost Explorer and the AWS TCO calculator?

Answer 18

The TCO calculator helps you estimate the cost savings of using AWS; the Cost Explorer help you analyze current AWS usage charges.

Question 19

You have just set up a new environment in AWS and want to see what costs are being incurred for the resources you are using. What would you use to get an idea of the costs and resources being used?

Answer 19

Use AWS Cost Explorer

Question 20

For cost optimization in the AWS Shared Responsibility Model, what are two options you must consider for S3?

Answer 20

• The total size in gigabytes of all objects being stored

* Storage class being used or picked to store objects