AWS-Solutions-Architect-Associate的中問題集 & AWS-Solutions-Architect-Associate模擬試験

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AWS-Solutions-Associate認証試験は、AWSサービスに関する個人の知識と、特定のビジネス要件を満たすソリューションを設計および展開する能力をテストするように設計されています。この試験は、複数選択の質問で構成されており、AWSアーキテクチャとデザインのさまざまな側面をカバーするいくつかのセクションに分かれています。試験の準備をするために、候補者は、AWSベースのアプリケーションの設計と展開と、AWSサービスとそのユースケースの確固たる理解に慣れた少なくとも1年の経験があることをお勧めします。成功した候補者は、AWSアーキテクチャとデザインの専門知識を検証するだけでなく、クラウドコンピューティング業界の幅広い雇用機会にもアクセスできます。

>> AWS-Solutions-Architect-Associate的中問題集 <<

AWS-Solutions-Architect-Associate模擬試験、AWS-Solutions-Architect-Associate受験料

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Amazon AWS Certified Solutions Architect - Associate (SAA-C02) 認定 AWS-Solutions-Architect-Associate 試験問題 (Q907-Q912):

質問 # 907
A company has a web-based map application that provides status information about ongoing repairs. The application sometimes has millions of users. Repair teams have a mobile app that sends current location and status in a JSON message to a REST-based endpoint.
Few repairs occur on most days. The company wants the application to be highly available and to scale when large numbers of repairs occur after nature disasters. Customer use the application most often during these times. The company does not want to pay for idle capacity.

A. Create a webpage that is based on Amazon S3 to display information. Use Amazon API Gateway and AWS Lambda to receive the JSON status data Store the JSON data m Amazon S3.
B. Use Amazon EC? instances as web servers across multiple Availability zones Run the FC? instances in an Auto Scaling group Use a REST endpoint on the EC? instances to receive the JSON status data Store the JSON data in an Amazon DynamoDB table.
C. Use Amazon EC2 instances as web servers across multiple Availability Zones. Run the EC2 instances in an Auto Scaling group. Use a REST endpoint on the EC2 instances to receive the JSON status data.
Store the JSON data in an Amazon RDS Mufti-AZ DB instance.
D. Use Amazon EC2 instances as wad servers across multiple Availability Zones. Run the EC2 instances in an Auto Scaling group. Use Amazon API Gateway and AWS Lambda to receive the JSON status data Store the JSON data In Amazon S3.

正解：B

質問 # 908
A company uses high concurrency AWS Lambda functions to process a constantly increasing number of messages in a message queue during marketing events. The Lambda functions use CPU intensive code to process the messages. The company wants to reduce the compute costs and to maintain service latency for its customers.
Which solution will meet these requirements?

A. Configure reserved concurrency for the Lambda functions. Increase the memory according to AWS Compute Optimizer recommendations.
B. Configure provisioned concurrency for the Lambda functions. Increase the memory according to AWS Compute Optimizer recommendations.
C. Configure reserved concurrency for the Lambda functions. Decrease the memory allocated to the Lambda functions.
D. Configure provisioned concurrency for the Lambda functions. Decrease the memory allocated to the Lambda functions.

正解：B

解説：
The company wants to reduce the compute costs and maintain service latency for its Lambda functions that process a constantly increasing number of messages in a message queue. The Lambda functions use CPU intensive code to process the messages. To meet these requirements, a solutions architect should recommend the following solution:
Configure provisioned concurrency for the Lambda functions. Provisioned concurrency is the number of pre-initialized execution environments that are allocated to the Lambda functions. These execution environments are prepared to respond immediately to incoming function requests, reducing the cold start latency. Configuring provisioned concurrency also helps to avoid throttling errors due to reaching the concurrency limit of the Lambda service.
Increase the memory according to AWS Compute Optimizer recommendations. AWS Compute Optimizer is a service that provides recommendations for optimal AWS resource configurations based on your utilization data. By increasing the memory allocated to the Lambda functions, you can also increase the CPU power and improve the performance of your CPU intensive code. AWS Compute Optimizer can help you find the optimal memory size for your Lambda functions based on your workload characteristics and performance goals.
This solution will reduce the compute costs by avoiding unnecessary over-provisioning of memory and CPU resources, and maintain service latency by using provisioned concurrency and optimal memory size for the Lambda functions.
References:
Provisioned Concurrency
AWS Compute Optimizer

質問 # 909
A company is migrating from an on-premises infrastructure to the AWS Cloud One of the company's applications stores files on a Windows file server farm that uses Distributed File System Replication (DFSR) to keep data in sync A solutions architect needs to replace the file server farm Which service should the solutions architect use?

A. Amazon EFS
B. AWS Storage Gateway
C. Amazon S3
D. Amazon FSx

正解：D

解説：
Explanation
Migrating Existing Files to Amazon FSx for Windows File Server Using AWS DataSync We recommend using AWS DataSync to transfer data between Amazon FSx for Windows File Server file systems. DataSync is a data transfer service that simplifies, automates, and accelerates moving and replicating data between on-premises storage systems and other AWS storage services over the internet or AWS Direct Connect. DataSync can transfer your file system data and metadata, such as ownership, time stamps, and access permissions.

質問 # 910
A user has configured ELB with two EBS backed EC2 instances. The user is trying to understand the DNS access and IP support for ELB. Which of the below mentioned statements may not help the user understand the IP mechanism supported by ELB?

A. The client can connect over IPV4 or IPV6 using Dualstack
B. Communication between the load balancer and back-end instances is always through IPV4
C. The ELB supports either IPV4 or IPV6 but not both
D. ELB DNS supports both IPV4 and IPV6

正解：C

解説：
Elastic Load Balancing supports both Internet Protocol version 6 (IPv6) and Internet Protocol version 4 (IPv4). Clients can connect to the user's load balancer using either IPv4 or IPv6 (in EC2-Classic) DNS.
However, communication between the load balancer and its back-end instances uses only IPv4. The user can use the Dualstack-prefixed DNS name to enable IPv6 support for communications between the client and the load balancers. Thus, the clients are able to access the load balancer using either IPv4 or IPv6 as their individual connectivity needs dictate.
Reference:
http://docs.aws.amazon.com/ElasticLoadBalancing/latest/DeveloperGuide/UserScenariosForEC2.html

質問 # 911
A company is deploying a new application on Amazon EC2 instances. The application writes data to Amazon Elastic Block Store (Amazon EBS) volumes. The company needs to ensure that all data that is written to the EBS volumes is encrypted at rest.
Which solution will meet this requirement?

A. Create the EBS volumes as encrypted volumes. Attach the EBS volumes to the EC2 instances
B. Create an AWS Key Management Service (AWS KMS) key policy that enforces EBS encryption in the account. Ensure that the key policy is active
C. Create an EC2 instance tag that has a key of Encrypt and a value of True. Tag all instances that require encryption at the EBS level.
D. Create an IAM role that specifies EBS encryption. Attach the role to the EC2 instances.

正解：A

解説：
The solution that will meet the requirement of ensuring that all data that is written to the EBS volumes is encrypted at rest is B. Create the EBS volumes as encrypted volumes and attach the encrypted EBS volumes to the EC2 instances. When you create an EBS volume, you can specify whether to encrypt the volume. If you choose to encrypt the volume, all data written to the volume is automatically encrypted at rest using AWS- managed keys. You can also use customer-managed keys (CMKs) stored in AWS KMS to encrypt and protect your EBS volumes. You can create encrypted EBS volumes and attach them to EC2 instances to ensure that all data written to the volumes is encrypted at rest.

質問 # 912
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