Free & Accurate Amazon AWS Certified Cloud Practitioner Practice Questions | ExamTopics
2023.01.04 - [DevOps/aws] - Amazon AWS Certified Cloud Practitioner Exam Practice Questions | aws 클라우드 프랙티셔너 문제 #1~30
2023.01.04 - [DevOps/aws] - Amazon AWS Certified Cloud Practitioner Exam Practice Questions | aws 클라우드 프랙티셔너 문제 #31~60
#151~160
151. A company would like to host its MySQL databases on AWS and maintain full control over the operating system, database installation, and configuration.
Which AWS service should the company use to host the databases?
- A. Amazon RDS
- B. Amazon EC2
- C. Amazon DynamoDB
- D. Amazon Aurora
=> A. Amazon RDS
152. How does the AWS global infrastructure offer high availability and fault tolerance to its users?
- A. The AWS infrastructure is made up of multiple AWS Regions within various Availability Zones located in areas that have low flood risk, and are interconnected with low-latency networks and redundant power supplies.
- B. The AWS infrastructure consists of subnets containing various Availability Zones with multiple data centers located in the same geographic location.
- C. AWS allows users to choose AWS Regions and data centers so that users can select the closest data centers in different Regions.
- D. The AWS infrastructure consists of isolated AWS Regions with independent Availability Zones that are connected with low-latency networking and redundant power supplies.
=> D
A가 아닌 이유
AWS Regions within various Availability Zones
리전이 여러 az 에 속한 것이 아닌 그 반대임.
영어 조심
153. A company is using Amazon EC2 Auto Scaling to scale its Amazon EC2 instances.
Which benefit of the AWS Cloud does this example illustrate?
- A. High availability
- B. Elasticity
- C. Reliability
- D. Global reach
=> B. Elasticity
가용성: 시스템이 서비스를 정상적으로 제공할 수 있는 상태
탄력성: 요구사항이 변화함에 따라 확장 및 축소하는 것
가용성이 나올려면 failure 키워드가 나와야한다.
154. Which AWS service or feature is used to send both text and email messages from distributed applications?
- A. Amazon Simple Notification Service (Amazon SNS)
- B. Amazon Simple Email Service (Amazon SES)
- C. Amazon CloudWatch alerts
- D. Amazon Simple Queue Service (Amazon SQS)
=> A. Amazon Simple Notification Service (Amazon SNS)
155. A user is able to set up a master payer account to view consolidated billing reports through:
- A. AWS Budgets.
- B. Amazon Macie.
- C. Amazon QuickSight.
- D. AWS Organizations.
=> D. AWS Organizations.
통합 청구서 -> organizations
"You can track the charges across multiple accounts and download the combined cost and usage data."
156. According to the AWS shared responsibility model, which task is the customer's responsibility?
- A. Maintaining the infrastructure needed to run AWS Lambda
- B. Updating the operating system of Amazon DynamoDB instances
- C. Maintaining Amazon S3 infrastructure
- D. Updating the guest operating system on Amazon EC2 instances
=> D. Updating the guest operating system on Amazon EC2 instances
guest os 업데이트가 사용자의 몫?
157. A company wants to migrate a small website and database quickly from on-premises infrastructure to the AWS Cloud. The company has limited operational knowledge to perform the migration.
Which AWS service supports this use case?
- A. Amazon EC2
- B. Amazon Lightsail
- C. Amazon S3
- D. AWS Lambda
=> B. Amazon Lightsail
the point of Lightsail is to quickly provision ready-to-use AWS resources instead of deeping into th technical details of EC2, S3, DynamoDB etc.
가상 프라이빗 서버 및 웹 호스팅–Amazon Lightsail—Amazon Web Services
저렴한 비용의 사전 구성된 클라우드 리소스를 통해 애플리케이션 및 웹 사이트를 빠르게 구축
lightsail 로 간단하게 웹사이트를 구축할 수 있다.
158. A company is moving multiple applications to a single AWS account. The company wants to monitor the AWS Cloud costs incurred by each application.
What can the company do to meet this requirement?
- A. Set up invoiced billing.
- B. Use AWS Artifact.
- C. Set budgets in Cost Explorer.
- D. Create cost allocation tags.
=> D. Create cost allocation tags.
You can use tags to organize your resources, and cost allocation tags to track your AWS costs on a detailed level. You can apply tags that represent business categories (such as cost centers, application names, or owners) to organize your costs across multiple services.
할당 태그를 달아서 모니터링 할 수 있다.
159. 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
=> C. Testing recovery procedures
160. A user needs to quickly deploy a non-relational database on AWS. The user does not want to manage the underlying hardware or the database software.
Which AWS service can be used to accomplish this?
- A. Amazon RDS
- B. Amazon DynamoDB
- C. Amazon Aurora
- D. Amazon Redshift
=> B. Amazon DynamoDB
#161~170
161. Which task is an AWS responsibility when a workload is running in Amazon RDS?
- A. Creating the database table
- B. Updating the database schema
- C. Installing the database engine
- D. Dropping the database records
=> C. Installing the database engine
162. A development team wants to publish and manage web services that provide REST APIs.
Which AWS service will meet this requirement?
- A. AWS App Mesh
- B. Amazon API Gateway
- C. Amazon CloudFront
- D. AWS Cloud Map
=> B. Amazon API Gateway
163. A company has a social media platform in which users upload and share photos with other users. The company wants to identify and remove inappropriate photos. The company has no machine learning (ML) scientists and must build this detection capability with no ML expertise.
Which AWS service should the company use to build this capability?
- A. Amazon SageMaker
- B. Amazon Textract
- C. Amazon Rekognition
- D. Amazon Comprehend
=> C. Amazon Rekognition
comprehend는 text 와 관련된 것
164. Which responsibility belongs to AWS when a company hosts its databases on Amazon EC2 instances?
- A. Database backups
- B. Database software patches
- C. Operating system patches
- D. Operating system installations.
=> D. Operating system installations.
좀 헷갈린다 .
165. A company wants to use Amazon S3 to store its legacy data. The data is rarely accessed. However, the data is critical and cannot be recreated. The data needs to be available for retrieval within seconds.
Which S3 storage class meets these requirements MOST cost-effectively?
- A. S3 Standard
- B. S3 One Zone-Infrequent Access (S3 One Zone-IA)
- C. S3 Standard-Infrequent Access (S3 Standard-IA)
- D. S3 Glacier
=> C. S3 Standard-Infrequent Access (S3 Standard-IA)
166. An online retail company wants to migrate its on-premises workload to AWS. The company needs to automatically handle a seasonal workload increase in a cost- effective manner.
Which AWS Cloud features will help the company meet this requirement? (Choose two.)
- A. Cross-Region workload deployment
- B. Pay-as-you-go pricing
- C. Built-in AWS CloudTrail audit capabilities
- D. Auto Scaling policies
- E. Centralized logging
=> B, D
167. Which AWS service helps developers use loose coupling and reliable messaging between microservices?
- A. Elastic Load Balancing
- B. Amazon Simple Notification Service (Amazon SNS)
- C. Amazon CloudFront
- D. Amazon Simple Queue Service (Amazon SQS)
=> D. Amazon Simple Queue Service (Amazon SQS)
168. A company needs to build an application that uses AWS services. The application will be delivered to residents in European Counties. The company must abide by regional regulatory requirements.
Which AWS service or program should the company use to determine which AWS services meet the regional requirements?
- A. AWS Audit Manager
- B. AWS Shield
- C. AWS Compliance Program
- D. AWS Artifact
=> D. AWS Artifact
abide 머무르다.
나라마다 규정 준수하기 artifact
답이 c,d 나뉘는데 난 d라고 생각한다 .
169. A company needs to implement identity management for a fleet of mobile apps that are running in the AWS Cloud.
Which AWS service will meet this requirement?
- A. Amazon Cognito
- B. AWS Security Hub
- C. AWS Shield
- D. AWS WAF
=> A. Amazon Cognito
A – Amazon Cognito lets you add user sign-up, sign-in, and access control to your web and mobile apps quickly and easily.
170. A company needs an Amazon EC2 instance for a rightsized database server that must run constantly for 1 year.
Which EC2 instance purchasing option will meet these requirements MOST cost-effectively?
- A. Standard Reserved Instance
- B. Convertible Reserved Instance
- C. On-Demand Instance
- D. Spot Instance
=> A. Standard Reserved Instance
컨버터블 RI는 추후에 속성을 변경할 수 있지만 할인율이 떨어진다 .
#171~180
171. A company has multiple applications and is now building a new multi-tier application. The company will host the new application on Amazon EC2 instances. The company wants the network routing and traffic between the various applications to follow the security principle of least privilege.
Which AWS service or feature should the company use to enforce this principle?
- A. Security groups
- B. AWS Shield
- C. AWS Global Accelerator
- D. AWS Direct Connect gateway
=>A. Security groups
인스턴스 단위으 보안 sg
172. A company's web application requires AWS credentials and authorizations to use an AWS service.
Which IAM entity should the company use as best practice?
- A. IAM role
- B. IAM user
- C. IAM group
- D. IAM multi-factor authentication (MFA)
=> A. IAM role
173. A company is creating a document that defines the operating system patch routine for all the company's systems.
Which AWS resources should the company include in this document? (Choose two.)
- A. Amazon EC2 instances
- B. AWS Lambda functions
- C. AWS Fargate tasks
- D. Amazon RDS instances
- E. Amazon Elastic Container Service (Amazon ECS) instances
=> A.,E
Option E, Amazon Elastic Container Service (Amazon ECS) instances, are not a valid AWS resource. Amazon ECS is a container orchestration service that allows customers to run and manage containerized applications in the cloud, but it does not have instances as a concept.
ecs의 os 는 고객이 관리해야한다.
174. Which AWS service or feature gives a company the ability to control incoming traffic and outgoing traffic for Amazon EC2 instances?
- A. Security groups
- B. Amazon Route 53
- C. AWS Direct Connect
- D. Amazon VPC
=> A. Security groups
175. A company is starting to build its infrastructure in the AWS Cloud. The company wants access to technical support during business hours. The company also wants general architectural guidance as teams build and test new applications.
Which AWS Support plan will meet these requirements at the LOWEST cost?
- A. AWS Basic Support
- B. AWS Developer Support
- C. AWS Business Support
- D. AWS Enterprise Support
=> B. AWS Developer Support
We recommend AWS Developer Support if you are testing or doing early development on AWS and want the ability to get technical support during business hours as well as general architectural guidance as you build and test. In addition to enhanced technical support and architectural guidance, Developer Support provides access to documentation and forums, AWS Trusted Advisor, and AWS Personal Health Dashboard.
처음에 설계한다면 developer support를 사용하자.
176. A company is migrating its public website to AWS. The company wants to host the domain name for the website on AWS.
Which AWS service should the company use to meet this requirement?
- A. AWS Lambda
- B. Amazon Route 53
- C. Amazon CloudFront
- D. AWS Direct Connect
=> B. Amazon Route 53
177. A company needs to evaluate its AWS environment and provide best practice recommendations in five categories: cost, performance, service limits, fault tolerance, and security.
Which AWS service can the company use to meet these requirements?
- A. AWS Shield
- B. AWS WAF
- C. AWS Trusted Advisor
- D. AWS Service Catalog
=> C. AWS Trusted Advisor
178. Which AWS service provides the capability to view end-to-end performance metrics and troubleshoot distributed applications?
- A. AWS Cloud9
- B. AWS CodeStar
- C. AWS Cloud Map
- D. AWS X-Ray
=> D. AWS X-Ray
AWS X-Ray는 애플리케이션이 처리하는 요청에 대한 데이터를 수집하는 서비스이며, 해당 데이터를 보고, 필터링하고, 통찰을 얻어 문제와 최적화 기회를 식별할 수 있는 도구를 제공합니다. 애플리케이션에 대한 모든 트레이스된 요청에서, 요청 및 응답뿐 아니라 애플리케이션이 다운스트림AWS 리소스, 마이크로서비스, 데이터베이스 및 웹 API에 대해 하는 호출에 대해서도 상세한 정보를 확인할 수 있습니다.
179. Which cloud computing benefit does AWS demonstrate with its ability to offer lower variable costs as a result of high purchase volumes?
- A. Pay-as-you-go pricing
- B. High availability
- C. Global reach
- D. Economies of scale
=> A. Pay-as-you-go pricing
180. Which AWS service provides threat detection by monitoring for malicious activities and unauthorized actions to protect AWS accounts, workloads, and data that is stored in Amazon S3?
- A. AWS Shield
- B. AWS Firewall Manager
- C. Amazon GuardDuty
- D. Amazon Inspector
=> C. Amazon GuardDuty