439 lines
17 KiB
Markdown
439 lines
17 KiB
Markdown
---
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layout: exam
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---
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# Practice Exam 12
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1. Which of the following components of the AWS Global Infrastructure consists of one or more discrete data centers interconnected through low latency links?
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- A. Availability Zone
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- B. Edge location
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- C. Region
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- D. Private networking
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: A
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</details>
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2. One benefit of On-Demand Amazon Elastic Compute Cloud (Amazon EC2) pricing is:
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- A. The ability to bid for a lower hourly cost.
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- B. Paying a daily rate regardless of time used.
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- C. Paying only for time used.
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- D. Pre-paying for instances and paying a lower hourly rate.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: C
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</details>
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3. What can assist in evaluating an application for migration to the cloud? (Select TWO)
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- A. AWS Trusted Advisor.
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- B. AWS Professional Services.
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- C. AWS Systems Manager.
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- D. AWS Partner Network (APN).
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- E. AWS Secrets Manager.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: B, D
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</details>
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4. A characteristic of edge locations is that they:
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- A. Host Amazon EC2 instances closer to users.
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- B. Help lower latency and improve performance for users.
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- C. Cache frequently changing data without reaching the origin server.
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- D. Refresh data changes daily.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: B
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</details>
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5. Which of the following are valid ways for a customer to interact with AWS services? (Select TWO)
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- A. Command line interface.
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- B. On-premises.
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- C. Software Development Kits.
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- D. Software-as-a-service.
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- E. Hybrid.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: A, C
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</details>
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6. What is a value proposition of the AWS Cloud?
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- A. AWS is responsible for security in the AWS Cloud.
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- B. No long-term contract is required.
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- C. Provision new servers in days.
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- D. AWS manages user applications in the AWS Cloud.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: B
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</details>
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7. A company is migrating an application that is running non-interruptible workloads for a three-year time frame. Which pricing construct would provide the MOST cost-effective solution?
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- A. Amazon EC2 Spot Instances.
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- B. Amazon EC2 Dedicated Instances.
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- C. Amazon EC2 On-Demand Instances.
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- D. Amazon EC2 Reserved Instances.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: D
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</details>
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8. Which AWS service is used to track record, and audit configuration changes made to AWS resources?
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- A. AWS Shield.
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- B. AWS Config.
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- C. AWS IAM.
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- D. Amazon Inspector.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: B
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</details>
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9. Which feature of the AWS Cloud will support an international company’s requirement for low latency to all of its customers?
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- A. Fault tolerance.
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- B. Global reach.
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- C. Pay-as-you-go pricing.
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- D. High availability.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: B
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</details>
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10. How can one AWS account use Reserved Instances from another AWS account?
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- A. By using Amazon EC2 Dedicated Instances.
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- B. By using AWS Organizations consolidated billing.
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- C. By using the AWS Cost Explorer tool.
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- D. By using AWS Budgets.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: B
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</details>
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11. What are the benefits of developing and running a new application in the AWS Cloud compared to on-premises? (Select TWO)
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- A. AWS automatically distributes the data globally for higher durability.
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- B. AWS will take care of operating the application.
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- C. AWS makes it easy to architect for high availability.
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- D. AWS can easily accommodate application demand changes.
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- E. AWS takes care of application security patching.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: C, D
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</details>
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12. Which of the following services falls under the responsibility of the customer to maintain operating system configuration, security patching, and networking?
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- A. Amazon RDS.
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- B. Amazon EC2.
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- C. Amazon ElastiCache.
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- D. AWS Fargate.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: B
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</details>
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13. AWS supports which of the following methods to add security to Identity and Access Management (IAM) users? (Select TWO)
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- A. Implementing Amazon Rekognition.
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- B. Using AWS Shield-protected resources.
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- C. Blocking access with Security Groups.
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- D. Using Multi-Factor Authentication (MFA).
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- E. Enforcing password strength and expiration.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: D, E
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</details>
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14. Which service provides a hybrid storage service that enables on-premises applications to seamlessly use cloud storage?
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- A. Amazon Glacier
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- B. AWS Snowball
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- C. AWS Storage Gateway
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- D. Amazon Elastic Block Storage (Amazon EBS)
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: C
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</details>
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15. Where should a company go to search software listings from independent software vendors to find, test, buy and deploy software that runs on AWS?
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- A. AWS Marketplace.
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- B. Amazon Lumberyard.
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- C. AWS Artifact.
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- D. Amazon CloudSearch.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: A
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</details>
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16. Which of the following is a component of the AWS Global Infrastructure?
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- A. Amazon Alexa.
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- B. AWS Regions.
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- C. Amazon Lightsail.
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- D. AWS Organizations.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: B
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</details>
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17. Which Amazon EC2 pricing model adjusts based on supply and demand of EC2 instances?
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- A. On-Demand Instances.
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- B. Reserved Instances.
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- C. Spot Instances.
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- D. Convertible Reserved Instances.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: C
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</details>
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18. A company wants to migrate its applications to a VPC on AWS These applications will need to access on-premises resources. What combination of actions will enable the company to accomplish this goals? (Select TWO)
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- A. Use the AWS Service Catalog to identify a list of on-premises resources that can be migrated
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- B. Build a VPN connection between an on-premises device and a virtual private gateway in the new VPC
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- C. Use Amazon Athena to query data from the on-premises database servers
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- D. Connect the company’s on-premises data center to AWS using AWS Direct Connect
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- E. Leverage Amazon CloudFront to restrict access to static web content provided through the company’s on-premises web servers
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: B, D
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</details>
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19. A Cloud Practitioner must determine if any security groups in an AWS account have been provisioned to allow unrestricted access for specific ports. What is the SIMPLEST way to do this?
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- A. Review the inbound rules for each security group in the Amazon EC2 management console to check for port 0.0.0.0/0.
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- B. Run AWS Trusted Advisor and review the findings.
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- C. Open the AWS IAM console and check the inbound rule filters for open access.
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- D. In AWS Config, create a custom rule that invokes an AWS Lambda function to review firewall rules for inbound access.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: B
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</details>
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20. Which of the following security-related services does AWS offer? (Select TWO)
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- A. Multi-factor authentication physical tokens.
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- B. AWS Trusted Advisor security checks.
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- C. Data encryption.
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- D. Automated penetration testing.
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- E. Amazon S3 copyrighted content detection.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: B, C
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</details>
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21. Which of the following services have Distributed Denial of Service (DDoS) mitigation features? (Select TWO)
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- A. AWS WAF.
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- B. Amazon DynamoDB.
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- C. Amazon EC2.
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- D. Amazon CloudFront.
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- E. Amazon Inspector.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: A, D
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</details>
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22. Which of the following AWS features enables a user to launch a pre-configured Amazon Elastic Compute Cloud (Amazon EC2) instance?
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- A. Amazon Elastic Block Store (Amazon EBS).
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- B. Amazon Machine Image.
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- C. Amazon EC2 Systems Manager.
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- D. Amazon AppStream 2.0.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: B
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</details>
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23. 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?
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- A. Think parallel.
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- B. Implement elasticity.
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- C. Decouple your components.
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- D. Design for failure.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: B
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</details>
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24. Which AWS Cloud benefit eliminates the need for users to try estimating future infrastructure usage?
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- A. Easy and fast deployment of applications in multiple Regions around the world.
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- B. Security of the AWS Cloud.
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- C. Elasticity of the AWS Cloud.
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- D. Lower variable costs due to massive economies of scale.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: C
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</details>
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25. What can users access from AWS Artifact?
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- A. AWS security and compliance documents.
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- B. A download of configuration management details for all AWS resources.
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- C. Training materials for AWS services.
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- D. A security assessment of the applications deployed in the AWS Cloud.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: A
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</details>
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26. Compared with costs in traditional and virtualized data centers, AWS has:
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- A. Greater variable costs and greater upfront costs.
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- B. Fixed usage costs and lower upfront costs.
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- C. Lower variable costs and greater upfront costs.
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- D. Lower variable costs and lower upfront costs.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: D
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</details>
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27. Which AWS service would a customer use with a static website to achieve tower latency and high transfer speeds?
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- A. AWS Lambda.
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- B. Amazon DynamoDB Accelerator.
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- C. Amazon Route 53.
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- D. Amazon CloudFront.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: D
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</details>
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28. How do Amazon EC2 Auto Scaling groups help achieve high availability for a web application?
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- A. They automatically add more instances across multiple AWS Regions based on global demand of the application.
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- B. They automatically add or replace instances across multiple Availability Zones when the application needs it.
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- C. They enable the application’s stalk: content to reside closer to end users.
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- D. They are able to distribute incoming requests across a tier of web server instances.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: B
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</details>
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29. Which of the following can limit Amazon Simple Storage Service (Amazon S3) bucket access to specific users?
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- A. A public and private key-pair.
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- B. Amazon Inspector.
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- C. AWS Identity and Access Management (IAM) policies.
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- D. Security Groups.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: C
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</details>
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30. How should a customer forecast the future costs for running a new web application?
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- A. Amazon Aurora Backtrack.
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- B. Amazon CloudWatch Billing Alarms.
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- C. AWS Simple Monthly Calculator.
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- D. AWS Cost and Usage report.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: C
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</details>
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31. Where are AWS compliance documents, such as an SOC 1 report, located?
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- A. Amazon Inspector.
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- B. AWS CloudTrail.
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- C. AWS Artifact.
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- D. AWS Certificate Manager.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: C
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</details>
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32. Which of the following tasks is the responsibility of AWS?
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- A. Encrypting client-side data.
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- B. Configuring AWS Identity and Access Management (IAM) roles.
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- C. Securing the Amazon EC2 hypervisor.
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- D. Setting user password policies.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: C
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</details>
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33. Under the shared responsibility model which of the following areas are the customer’s responsibility? (Select TWO)
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- A. Firmware upgrades of network infrastructure.
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- B. Patching of operating systems.
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- C. Patching of the underlying hypervisor.
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- D. Physical security of data centers.
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- E. Configuration of the security group.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: B, E
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</details>
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34. A company is looking for a scalable data warehouse solution. Which of the following AWS solutions would meet the company’s needs?
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- A. Amazon Simple Storage Service (Amazon S3).
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- B. Amazon DynamoDB.
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- C. Amazon Kinesis.
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- D. Amazon Redshift.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: D
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</details>
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35. Which AWS services provide a way to extend an on-premises architecture to the AWS Cloud? (Select TWO)
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- A. Amazon EBS.
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- B. AWS Direct Connect.
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- C. Amazon CloudFront.
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- D. AWS Storage Gateway.
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- E. Amazon Connect.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: B, D
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</details>
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36. What are the advantages of the AWS Cloud (Select TWO)
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- A. Fixed rate monthly cost.
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- B. No need to guess capacity requirements.
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- C. Increased speed to market.
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- D. Increased upfront capital expenditure.
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- E. Physical access to cloud data centers.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: B, C
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</details>
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37. How can the AWS Cloud increase user workforce productivity after migration from an on-premises data center?
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- A. Users do not have to wait for infrastructure provisioning.
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- B. The AWS Cloud infrastructure is much faster than an on-premises data center infrastructure.
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- C. AWS takes over application configuration management on behalf of users.
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- D. Users do not need to address security and compliance issues.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: A
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</details>
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38. Which of the following services could be used to deploy an application to servers running on-premises? (Select TWO)
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- A. AWS Elastic Beanstalk.
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- B. AWS OpsWorks.
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- C. AWS CodeDeploy.
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- D. AWS Batch.
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- E. AWS X-Ray.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: B, C
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</details>
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39. What is an example of agility in the AWS Cloud?
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- A. Access to multiple instance types.
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- B. Access to managed services.
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- C. Using Consolidated Billing to produce one bill.
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- D. Decreased acquisition time for new compute resources.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: D
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</details>
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40. Which AWS security service protects applications from distributed denial of service attacks with always-on detection and automatic inline mitigations?
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- A. Amazon Inspector.
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- B. AWS Web Application Firewall (AWS WAF).
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- C. Elastic Load Balancing (ELB).
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- D. AWS Shield.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: D
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</details>
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41. Which of the following are advantages of AWS consolidated billing? (Choose two)
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- A. The ability to receive one bill for multiple accounts.
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- B. Service limits increasing by default in all accounts.
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- C. A fixed discount on the monthly bill.
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- D. Potential volume discounts, as usage in all accounts is combined.
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- E. The automatic extension of the master account’s AWS support plan to all accounts.
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: A, D
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</details>
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42. A company is considering using AWS for a self-hosted database that requires a nightly shutdown for maintenance and cost-saving purposes. Which service should the company use?
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- A. Amazon Redshift.
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- B. Amazon DynamoDB.
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- C. Amazon Elastic Compute Cloud (Amazon EC2) with Amazon EC2 instance store.
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- D. Amazon EC2 with Amazon Elastic Block Store (Amazon EBS).
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<details markdown=1><summary markdown='span'>Answer</summary>
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Correct answer: D
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</details>
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