A company that hosts its web application on AWS wants to ensure all Amazon EC2 instances. Amazon RDS DB instances. and Amazon Redshift clusters are configured with tags. The company wants to minimize the effort of configuring and operating this check.
What should a solutions architect do to accomplish this?
A. Use AWS Config rules to define and detect resources that are not properly tagged.
A development team needs to host a website that will be accessed by other teams. The website contents consist of HTML, CSS, client-side JavaScript, and images. Which method is the MOST cost-effective for hosting the website?
B. Create an Amazon S3 bucket and host the website there.
A company runs an online marketplace web application on AWS. The application serves hundreds of thousands of users during peak hours. The company needs a scalable, near-real-time solution to share the details of millions of financial transactions with several other internal applications. Transactions also need to be processed to remove sensitive data before being stored in a document database for low-latency retrieval. What should a solutions architect recommend to meet these requirements?
C. Stream the transactions data into Amazon Kinesis Data Streams. Use AWS Lambda integration to remove sensitive data from every transaction and then store the transactions data in Amazon DynamoDB. Other applications can consume the transactions data off the Kinesis data stream.
Amazon Kinesis Data Streams
- 모든 규모의 데이터 스트림을 쉽게 캡처, 처리 및 저장할 수 있는 서버리스 스트리밍 데이터 서비스
- 수십 만개의 소스에서 클릭 스트림, 애플리케이션 로그, 소셜 미디어와 같은 다양한 유형의 데이터를 Kinesis 데이터 스트림에 추가할 수 있습니다. 그러면 몇 초 안에 애플리케이션에서 스트림의 해당 데이터를 읽고 처리할 수 있습니다.
A company hosts its multi-tier applications on AWS. For compliance, governance, auditing, and security, the company must track configuration changes on its AWS resources and record a history of API calls made to these resources. What should a solutions architect do to meet these requirements?
B. Use AWS Config to track configuration changes and AWS CloudTrail to record API calls.
A company is preparing to launch a public-facing web application in the AWS Cloud. The architecture consists of Amazon EC2 instances within a VPC behind an Elastic Load Balancer (ELB). A third-party service is used for the DNS. The company's solutions
architect must recommend a solution to detect and protect against large-scale DDoS attacks.Which solution meets these requirements?
D. Enable AWS Shield Advanced and assign the ELB to it.
A company is building an application in the AWS Cloud. The application will store data in Amazon S3 buckets in two AWS Regions. The company must use an AWS Key Management Service (AWS KMS) customer managed key to encrypt all data that is stored in the S3 buckets. The data in both S3 buckets must be encrypted and decrypted with the same KMS key. The data and the key must be stored in each of the two Regions. Which solution will
meet these requirements with the LEAST operational overhead?
B. Create a customer managed multi-Region KMS key. Create an S3 bucket in each Region. Configure replication between the S3 buckets. Configure the application to use the KMS key with client-side encryption.
D. Create a customer managed KMS key and an S3 bucket in each Region. Configure the S3 buckets to use server-side encryption with AWS KMS keys (SSE-KMS). Configure replication between the S3 buckets.
A company recently launched a variety of new workloads on Amazon EC2 instances in its AWS account. The company needs to create a strategy to access and administer the instances remotely and securely. The company needs to implement a repeatable process that works with native AWS services and follows the AWS Well-Architected Framework. Which solution will meet these requirements with the LEAST operational overhead?
B. Attach the appropriate IAM role to each existing instance and new instance. Use AWS Systems Manager Session Manager to establish a remote SSH session.
A company is hosting a static website on Amazon S3 and is using Amazon Route 53 for DNS. The website is experiencing increased demand from around the world. The company must decrease latency for users who access the website. Which solution meets these
requirements MOST cost-effectively?
C. Add an Amazon CloudFront distribution in front of the S3 bucket. Edit the Route 53 entries to point to the CloudFront distribution.
A company maintains a searchable repository of items on its website. The data is stored in an Amazon RDS for MySQL database table that contains more than 10 million rows. The database has 2 TB of General Purpose SSD storage. There are millions of updates against this data every day through the company's website. The company has noticed that some insert operations are taking 10 seconds or longer. The company has determined that the database storage performance is the problem. Which solution addresses this performance issue?
A. Change the storage type to Provisioned IOPS SSD.
A company has thousands of edge devices that collectively generate 1 TB of status alerts each day. Each alert is approximately 2 KB in size. A solutions architect needs to implement a solution to ingest and store the alerts for future analysis. The company wants a highly available solution. However, the company needs to minimize costs and does not want to manage additional infrastructure. Additionally, the company wants to keep 14 days of data available for immediate analysis and archive any data older than 14 days. What is the MOST operationally efficient solution that meets these requirements?
A. Create an Amazon Kinesis Data Firehose delivery stream to ingest the alerts. Configure the Kinesis Data Firehose stream to deliver the alerts to an Amazon S3 bucket. Set up an S3 Lifecycle configuration to transition data to Amazon S3 Glacier after 14 days.
Amazon Kinesis Data Firehose
- 스트리밍 데이터를 데이터 스토어와 분석 도구에 가장 쉽게 로드
- 수많은 소스에서 대량의 스트리밍 데이터를 손쉽게 캡처하고 변환하여 Amazon S3, Amazon Redshift, Amazon OpenSearch Service, Snowflake, 일반 HTTP 엔드포인트와 Datadog, New Relic, MongoDB, Splunk 같은 서비스 제공업체에 로드할 수 있는 완전관리형 서비스
- 데이터를 거의 실시간으로 분석하여 인사이트를 확보할 수 있게 해준다.
- 전송이 시작되면 Firehose 스트림이 자동으로 스케일 업 및 스케일 다운됩니다. 초당 기가바이트 이상의 입력 데이터를 처리하고 데이터 지연 시간을 한도 내에서 스트림에 지정한 수준으로 유지할 수 있습니다.
- 배치 크기 또는 배치 간격을 지정하여 데이터가 대상에 업로드되는 데 걸리는 시간을 제어할 수 있습니다. 예를 들어 배치 간격을 0초~15분으로 설정할 수 있습니다. 또한 데이터의 압축 여부도 지정할 수 있습니다.
- 업로드하기 전에 데이터를 배치 처리 및 압축하면 대상에서 새로운 데이터가 수신되는 속도를 제어할 수 있습니다.
A company's application integrates with multiple software-as-a-service (SaaS) sources for data collection. The company runs Amazon EC2 instances to receive the data and to upload
the data to an Amazon S3 bucket for analysis. The same EC2 instance that receives and uploads the data also sends a notification to the user when an upload is complete. The
company has noticed slow application performance and wants to improve the performance as much as possible. Which solution will meet these requirements with the LEAST operational overhead?
B. Create an Amazon AppFlow flow to transfer data between each SaaS source and the S3 bucket. Configure an S3 event notification to send events to an Amazon Simple Notification Service (Amazon SNS) topic when the upload to the S3 bucket is complete.
A company runs a highly available image-processing application on Amazon EC2 instances in a single VPC. The EC2 instances run inside several subnets across multiple Availability
Zones. The EC2 instances do not communicate with each other. However, the EC2 instances download images from Amazon S3 and upload images to Amazon S3 through a single NAT gateway. The company is concerned about data transfer charges. What is the MOST costeffective way for the company to avoid Regional data transfer charges?
C. Deploy a gateway VPC endpoint for Amazon S3.
A company has an on-premises application that generates a large amount of time-sensitive data that is backed up to Amazon S3. The application has grown and there are user complaints about internet bandwidth limitations. A solutions architect needs to design a long-term solution that allows for both timely backups to Amazon S3 and with minimal impact on internet connectivity for internal users. Which solution meets these requirements?
B. Establish a new AWS Direct Connect connection and direct backup traffic through this new
connection.
A company has an Amazon S3 bucket that contains critical data. The company must protect the data from accidental deletion. Which combination of steps should a solutions architect
take to meet these requirements? (Choose two.)
A. Enable versioning on the S3 bucket.
B. Enable MFA Delete on the S3 bucket.
A company has a data ingestion workflow that consists of the following: • An Amazon Simple Notification Service (Amazon SNS) topic for notifications about new data deliveries • An AWS Lambda function to process the data and record metadata The company observes that the ingestion workflow fails occasionally because of network connectivity issues. When such a failure occurs, the Lambda function does not ingest the corresponding
data unless the company manually reruns the job. Which combination of actions should a solutions architect take to ensure that the Lambda function ingests all data in the future?
(Choose two.)
B. Create an Amazon Simple Queue Service (Amazon SQS) queue, and subscribe it to the SNS topic.
E. Modify the Lambda function to read from an Amazon Simple Queue Service (Amazon SQS) queue.
A company has an application that provides marketing services to stores. The services are based on previous purchases by store customers. The stores upload transaction data to the company through SFTP, and the data is processed and analyzed to generate new marketing offers. Some of the files can exceed 200 GB in size. Recently, the company discovered that some of the stores have uploaded files that contain personally identifiable information (PII) that should not have been included. The company wants administrators to be alerted if PII is shared again. The company also wants to automate remediation. What should a solutions architect do to meet these requirements with the LEAST development effort?
B. Use an Amazon S3 bucket as a secure transfer point. Use Amazon Macie to scan the objects in the bucket. If objects contain PII, use Amazon Simple Notification Service
(Amazon SNS) to trigger a notification to the administrators to remove the objects that contain PII
Amazon Macie
- 데이터 보안 및 데이터 프라이버시 서비스로서, 기계 학습(ML) 및 패턴 일치를 활용하여 민감한 데이터를 검색하고 보호
- S3 환경 전반에서 민감한 데이터를 검색하여 가시성을 높이고 데이터 보안 리스크를 자동으로 해결
D. Implement custom scanning algorithms in an AWS Lambda function. Trigger the function when objects are loaded into the bucket. If objects contain PII, use Amazon Simple Email
Service (Amazon SES) to trigger a notification to the administrators and trigger an S3 Lifecycle policy to remove the meats that contain PII.
A company needs guaranteed Amazon EC2 capacity in three specific Availability Zones in a specific AWS Region for an upcoming event that will last 1 week. What should the company do to guarantee the EC2 capacity?
D. Create an On-Demand Capacity Reservation that specifies the Region and three Availability Zones needed.
A company's website uses an Amazon EC2 instance store for its catalog of items. The company wants to make sure that the catalog is highly available and that the catalog is stored in a durable location. What should a solutions architect do to meet these requirements?
D. Move the catalog to an Amazon Elastic File System (Amazon EFS) file system.
A company stores call transcript files on a monthly basis. Users access the files randomly within 1 year of the call, but users access the files infrequently after 1 year. The company
wants to optimize its solution by giving users the ability to query and retrieve files that are less than 1-year-old as quickly as possible. A delay in retrieving older files is acceptable. Which solution will meet these requirements MOST cost-effectively?
B. Store individual files in Amazon S3 Intelligent-Tiering. Use S3 Lifecycle policies to move the files to S3 Glacier Flexible Retrieval after 1 year. Query and retrieve the files that are in Amazon S3 by using Amazon Athena. Query and retrieve the files that are in S3 Glacier by using S3 Glacier Select.
A company has a production workload that runs on 1,000 Amazon EC2 Linux instances. The workload is powered by third-party software. The company needs to patch the thirdparty software on all EC2 instances as quickly as possible to remediate a critical security vulnerability. What should a solutions architect do to meet these requirements?
B. Configure AWS Systems Manager Patch Manager to apply the patch to all EC2 instances.
D. Use AWS Systems Manager Run Command to run a custom command that applies the patch to all EC2 instances.
AWS Systems Manager Patch Manager
AWS Systems Manager의 기능인 Patch Manager는 보안 관련 업데이트 및 기타 유형의 업데이트로 관리형 노드를 패치하는 프로세스를 자동화
A company is developing an application that provides order shipping statistics for retrieval by a REST API. The company wants to extract the shipping statistics, organize the data into
an easy-to-read HTML format, and send the report to several email addresses at the same time every morning. Which combination of steps should a solutions architect take to meet
these requirements? (Choose two.)
B. Use Amazon Simple Email Service (Amazon SES) to format the data and to send the report by email
D. Create an Amazon EventBridge (Amazon CloudWatch Events) scheduled event that invokes an AWS Lambda function to query the application's API for the data.
A company wants to migrate its on-premises application to AWS. The application produces output files that vary in size from tens of gigabytes to hundreds of terabytes. The application data must be stored in a standard file system structure. The company wants a solution that scales automatically. is highly available, and requires minimum operational overhead. Which solution will meet these requirements?
C. Migrate the application to Amazon EC2 instances in a Multi-AZ Auto Scaling group. Use Amazon Elastic File System (Amazon EFS) for storage.
A company needs to store its accounting records in Amazon S3. The records must be immediately accessible for 1 year and then must be archived for an additional 9 years. No one at the company, including administrative users and root users, can be able to delete the records during the entire 10-year period. The records must be stored with maximum resiliency. Which solution will meet these requirements?
C. Use an S3 Lifecycle policy to transition the records from S3 Standard to S3 Glacier Deep Archive after 1 year. Use S3 Object Lock in compliance mode for a period of 10 years
A company runs multiple Windows workloads on AWS. The company's employees use Windows file shares that are hosted on two Amazon EC2 instances. The file shares synchronize data between themselves and maintain duplicate copies. The company wants a
highly available and durable storage solution that preserves how users currently access the files. What should a solutions architect do to meet these requirements?
C. Extend the file share environment to Amazon FSx for Windows File Server with a MultiAZ configuration. Migrate all the data to FSx for Windows File Server.
A solutions architect is developing a VPC architecture that includes multiple subnets. The architecture will host applications that use Amazon EC2 instances and Amazon RDS DB
instances. The architecture consists of six subnets in two Availability Zones. Each Availability Zone includes a public subnet, a private subnet, and a dedicated subnet for
databases. Only EC2 instances that run in the private subnets can have access to the RDS databases. Which solution will meet these requirements?
C. Create a security group that allows inbound traffic from the security group that is assigned to instances in the private subnets. Attach the security group to the DB instances.
A company has registered its domain name with Amazon Route 53. The company uses Amazon API Gateway in the ca-central-1 Region as a public interface for its backend microservice APIs. Third-party services consume the APIs securely. The company wants to
design its API Gateway URL with the company's domain name and corresponding certificate so that the third-party services can use HTTPS. Which solution will meet these requirements?
C. Create a Regional API Gateway endpoint. Associate the API Gateway endpoint with the company's domain name. Import the public certificate associated with the company's domain name into AWS Certificate Manager (ACM) in the same Region. Attach the certificate to the API Gateway endpoint. Configure Route 53 to route traffic to the API Gateway endpoint.
D. Create a Regional API Gateway endpoint. Associate the API Gateway endpoint with the company's domain name. Import the public certificate associated with the company's domain name into AWS Certificate Manager (ACM) in the us-east-1 Region. Attach the certificate to the API Gateway APIs. Create Route 53 DNS records with the company's domain name. Point an A record to the company's domain name
리전 API 엔드포인트
- 동일 리전의 클라이언트를 위한 것
- 리전 API에 대해 API가 배포된 리전별로 고유한 사용자 지정 도메인 이름이 사용됩니다.
- 여러 리전에 배포된 리전 API를 배포하는 경우, 모든 리전에서 동일한 사용자 지정 도메인 이름을 사용할 수 있습니다.
A company is running a popular social media website. The website gives users the ability to upload images to share with other users. The company wants to make sure that the images do not contain inappropriate content. The company needs a solution that minimizes development effort. What should a solutions architect do to meet these requirements?
B. Use Amazon Rekognition to detect inappropriate content. Use human review for lowconfidence predictions.
Amazon Rekognition
Amazon Rekognition은 이미지 및 비디오에서 정보와 인사이트를 추출하기 위해 사전 훈련된 컴퓨터 비전(CV) 및 사용자 지정 가능한 CV 기능을 제공합니다.
A company wants to run its critical applications in containers to meet requirements for scalability and availability. The company prefers to focus on maintenance of the critical
applications. The company does not want to be responsible for provisioning and managing the underlying infrastructure that runs the containerized workload. What should a solutions architect do to meet these requirements?
C. Use **Amazon Elastic Container Service (Amazon ECS) on AWS Fargate.
AWS Fargate
- AWS Fargate Fargate는 Amazon EC2 인스턴스의 서버나 클러스터를 관리할 필요 없이 컨테이너를 실행하기 위해 Amazon ECS에 사용할 수 있는 기술
- AWS Fargate를 사용하면 더 이상 컨테이너를 실행하기 위해 가상 머신의 클러스터를 프로비저닝, 구성 또는 조정할 필요가 없습니다.
Amazon ECS
- 컨테이너 애플리케이션을 쉽게 배포, 관리 및 확대할 수 있도록 도와주는 완전 관리형 컨테이너 오케스트레이션 서비스
- 컨트롤 플레인을 관리하는 복잡한 과정 없이 클라우드의 AWS 리전와 온프레미스에서 컨테이너 워크로드를 실행하고 확장할 수 있습니다.
A company hosts more than 300 global websites and applications. The company requires a platform to analyze more than 30 TB of clickstream data each day. What should a solution architect do to transmit and process the clickstream data?
D. Collect the data from Amazon Kinesis Data Streams. Use Amazon Kinesis Data Firehose to transmit the data to an Amazon S3 data lake. Load the data in Amazon Redshift for analysis
A company has a website hosted on AWS. The website is behind an Application Load Balancer (ALB) that is configured to handle HTTP and HTTPS separately. The company wants to forward all requests to the website so that the requests will use HTTPS. What should a solutions architect do to meet this requirement?
C. Create a listener rule on the ALB to redirect HTTP traffic to HTTPS
a listener rule on the ALB
- 리스너에 대해 정의한 규칙에 따라 로드 밸런서가 하나 이상의 대상 그룹에서 대상으로 요청을 라우팅하는 방법이 결정됩니다.
- 각 규칙에는 forward, redirect 또는 fixed-response 작업 중 하나가 꼭 포함되어 있어야 하며, 이 작업이 수행할 마지막 작업이어야 합니다.
- forward 작업은 요청을 대상 그룹으로 라우팅합니다.
A company is developing a two-tier web application on AWS. The company's developers have deployed the application on an Amazon EC2 instance that connects directly to a backend Amazon RDS database. The company must not hardcode database credentials in
the application. The company must also implement a solution to automatically rotate the database credentials on a regular basis. Which solution will meet these requirements with
the LEAST operational overhead?
C. Store the database credentials as a secret in AWS Secrets Manager. Turn on automatic rotation for the secret. Attach the required permission to the EC2 role to grant access to the
secret.
A company is deploying a new public web application to AWS. The application will run behind an Application Load Balancer (ALB). The application needs to be encrypted at the edge with an SSL/TLS certificate that is issued by an external certificate authority (CA). The certificate must be rotated each year before the certificate expires. What should a solutions architect do to meet these requirements?
D. Apply the certificate to the ALB. Use the managed renewal feature to automatically rotate the certificate.
A company runs its infrastructure on AWS and has a registered base of 700,000 users for its document management application. The company intends to create a product that converts large .pdf files to .jpg image files. The .pdf files average 5 MB in size. The company needs to store the original files and the converted files. A solutions architect must design a scalable solution to accommodate demand that will grow rapidly over time. Which solution meets these requirements MOST cost-effectively?
A. Save the .pdf files to Amazon S3. Configure an S3 PUT event to invoke an AWS Lambda function to convert the files to .jpg format and store them back in Amazon S3.
A company has more than 5 TB of file data on Windows file servers that run on premises. Users and applications interact with the data each day. The company is moving its Windows
workloads to AWS. As the company continues this process, the company requires access to AWS and on-premises file storage with minimum latency. The company needs a solution that minimizes operational overhead and requires no significant changes to the existing file access patterns. The company uses an AWS Site-to-Site VPN connection for connectivity to AWS. What should a solutions architect do to meet these requirements?
A. Deploy and configure Amazon FSx for Windows File Server on AWS. Move the onpremises file data to FSx for Windows File Server. Reconfigure the workloads to use FSx for Windows File Server on AWS
D. Deploy and configure Amazon FSx for Windows File Server on AWS. Deploy and configure an Amazon FSx File Gateway on premises. Move the on-premises file data to the FSx File Gateway. Configure the cloud workloads to use FSx for Windows File Server on AWS. Configure the on-premises workloads to use the FSx File Gateway.
Amazon FSx File Gateway
- 기존 워크로드가 계속해서 클라우드로 마이그레이션됨에 따라, 일부 고객은 일반적으로 온프레미스 파일 서버에 보관하는 데이터를 호스팅하기 위해 클라우드 네이티브 서비스를 사용할 수 없었습니다.
- 온프레미스 파일 서버를 계속해서 사용 및 관리하는 대신, Amazon FSx for Windows File Server에서 클라우드에 저장된 데이터에 액세스할 수 있도록 지원합니다.
- Amazon FSx File Gateway는 온프레미스 파일 서버를 대체할 때 고려할 수 있는 이상적인 솔루션입니다. 액세스의 지연 시간이 짧으면, 지연 시간에 민감한 온프레미스 애플리케이션을 계속 사용할 수 있으며, 캐싱을 통해 사내 물리적 위치와 클라우드 간의 공유 대역폭을 줄입니다. 특히, 많은 사용자가 파일 공유 데이터에 직접 액세스하려는 경우에 중요합니다.
A hospital recently deployed a RESTful API with Amazon API Gateway and AWS Lambda. The hospital uses API Gateway and Lambda to upload reports that are in PDF format and JPEG format. The hospital needs to modify the Lambda code to identify protected health information (PHI) in the reports. Which solution will meet these requirements with the LEAST operational overhead?
C. Use Amazon Textract to extract the text from the reports. Use Amazon Comprehend Medical to identify the PHI from the extracted text.
Amazon Textract
- Amazon Textract는 스캔한 문서에서 텍스트, 필기, 레이아웃 요소 및 데이터를 자동으로 추출하는 기계 학습(ML) 서비스입니다. 단순한 광학 문자 인식(OCR)을 넘어 문서에서 특정 데이터를 식별하고 이해하며 추출합니다. 오늘날 많은 회사에서 PDF, 이미지, 표 및 양식과 같은 스캔 문서에서 또는 수동 구성이 필요한 간단한 OCR 소프트웨어(양식이 변경되면 종종 업데이트해야 함)를 통해 데이터를 수동으로 추출합니다.
Amazon Comprehend Medical
- Amazon Comprehend Medical은 의사의 메모, 퇴원 요약, 검사 결과, 사례 메모 등 구조화되지 않은 임상 텍스트에서 유용한 정보를 감지하고 반환합니다. Amazon Comprehend Medical은 자연어 처리(NLP) 모델을 사용하여 의학적 상태, 약물 또는 보호 대상 건강 정보(PHI)와 같은 의료 정보에 대한 텍스트 참조인 엔터티를 탐지합니다.
A company has an application that generates a large number of files, each approximately 5 MB in size. The files are stored in Amazon S3. Company policy requires the files to be stored for 4 years before they can be deleted. Immediate accessibility is always required as the files contain critical business data that is not easy to reproduce. The files are frequently accessed in the first 30 days of the object creation but are rarely accessed after the first 30 days. Which storage solution is MOST cost-effective?
A. Create an S3 bucket lifecycle policy to move files from S3 Standard to S3 Glacier 30 days from object creation. Delete the files 4 years after object creation.
C. Create an S3 bucket lifecycle policy to move files from S3 Standard to S3 StandardInfrequent Access (S3 Standard-IA) 30 days from object creation. Delete the files 4 years after object creation. -> Immediate accessibility
A company hosts an application on multiple Amazon EC2 instances. The application processes messages from an Amazon SQS queue, writes to an Amazon RDS table, and deletes the message from the queue. Occasional duplicate records are found in the RDS
table. The SQS queue does not contain any duplicate messages. What should a solutions architect do to ensure messages are being processed once only?
D. Use the ChangeMessageVisibility API call to increase the visibility timeout.
SQS 제한 시간 초과
- 대기열에서 메시지를 수신하여 처리하기 시작하다 보면 이 대기열의 표시 제한 시간이 부족해질 수 있습니다(처리한 메시지를 삭제해야 하는 경우도 있음). 메시지의 제한 시간을 단축하거나 늘리기 위해 ChangeMessageVisibility 작업을 사용하여 새 제한 시간 값을 지정할 수 있습니다.
A solutions architect is designing a new hybrid architecture to extend a company's onpremises infrastructure to AWS. The company requires a highly available connection with consistent low latency to an AWS Region. The company needs to minimize costs and is willing to accept slower traffic if the primary connection fails. What should the solutions architect do to meet these requirements?
A. Provision an AWS Direct Connect connection to a Region. Provision a VPN connection as a backup if the primary Direct Connect connection fails
AWS Direct Connect
- AWS Direct Connect 클라우드 서비스는 AWS 리소스에 대한 최단 경로입니다. 전송하는 동안 네트워크 트래픽은 AWS 글로벌 네트워크에 남아있으며 퍼블릭 인터넷에 닿지 않습니다. 이렇게 하면 병목 현상이 발생하거나 지연 시간이 예기치 않게 증가할 가능성이 줄어듭니다.