AWS-Certified-Developer-Associate熱門認證 - AWS-Certified-Developer-Associate考古題分享

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Amazon AWS-Developer認證考試旨在為與Amazon Web Services（AWS）一起工作並希望驗證在使用AWS服務開發和部署基於雲的應用程序方面的技能和專業知識的開發人員設計。這種認證也被稱為AWS Certified Developer-Associate考試，它是雲計算行業最廣泛認可和尊重的認證之一。

Amazon AWS-Certified-Developer-Associate（AWS Certified Developer - Associate）認證考試是雲計算領域中最受追捧的認證之一。這項認證是為在Amazon Web Services（AWS）平台上開發和維護應用程序有經驗的專業人士設計的。該考試驗證候選人對AWS服務的熟練程度，以及他們使用AWS設計、開發和部署基於雲的應用程序的能力。

AWS-Developer 考試涵蓋了廣泛的主題，包括 AWS 核心服務、數據庫技術和應用部署。要參加考試，您需要至少有一年的 AWS 應用開發和維護經驗。您還應該對至少一種程式設計語言，如 Java、Python 或 Ruby，以及 AWS 服務，如 EC2、S3 和 RDS 有良好的理解。

>> AWS-Certified-Developer-Associate熱門認證 <<

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最新的 AWS Certified Developer AWS-Certified-Developer-Associate 免費考試真題 (Q116-Q121):

問題 #116
An organization is having an application which can start and stop an EC2 instance as per schedule. The
organization needs the MAC address of the instance to be registered with its software. The instance is
launched in EC2-CLASSIC. How can the organization update the MAC registration every time an instance
is booted?

答案：C

解題說明：
AWS provides an on demand, scalable infrastructure. AWS EC2 allows the user to launch On-Demand
instances. AWS does not provide a fixed MAC address to the instances launched in EC2-CLASSIC. If the
instance is launched as a part of EC2-VPC, it can have an ENI which can have a fixed MAC. However,
with EC2-CLASSIC, every time the instance is started or stopped it will have a new MAC address.
To get this MAC, the organization can run a script on boot which can fetch the instance metadata and get
the MAC address from that instance metadata. Once the MAC is received, the organization can register
that MAC with the software.
Reference: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/AESDG-chapter-instancedata.html


問題 #117
You have an environment that consists of a public subnet using Amazon VPC and 3 instances that are running in this subnet. These three instances can successfully communicate with other hosts on the Internet. You launch a fourth instance in the same subnet, using the same AMI and security group configuration you used for the others, but find that this instance cannot be accessed from the Internet.
What should you do to enable internet access?

答案：B


問題 #118
A developer at a company needs to create a small application that makes the same API call once each day at a designated time. The company does not have infrastructure in the AWS Cloud yet, but the company wants to implement this functionality on AWS.
Which solution meets these requirements in the MOST operationally efficient manner?

答案：C

解題說明：
The correct answer is C. Use an AWS Lambda function that is invoked by an Amazon EventBridge scheduled event.
C). Use an AWS Lambda function that is invoked by an Amazon EventBridge scheduled event. This is correct.
AWS Lambda is a serverless compute service that lets you run code without provisioning or managing servers. Lambda runs your code on a high-availability compute infrastructure and performs all of the administration of the compute resources, including server and operating system maintenance, capacity provisioning and automatic scaling, and logging1. Amazon EventBridge is a serverless event bus service that enables you to connect your applications with data from a variety of sources2. EventBridge can create rules that run on a schedule, either at regular intervals or at specific times and dates, and invoke targets such as Lambda functions3. This solution meets the requirements of creating a small application that makes the same API call once each day at a designated time, without requiring any infrastructure in the AWS Cloud or any operational overhead.
A). Use a Kubernetes cron job that runs on Amazon Elastic Kubernetes Service (Amazon EKS). This is incorrect. Amazon EKS is a fully managed Kubernetes service that allows you to run containerized applications on AWS4. Kubernetes cron jobs are tasks that run periodically on a given schedule5. This solution could meet the functional requirements of creating a small application that makes the same API call once each day at a designated time, but it would not be the most operationally efficient manner. The company would need to provision and manage an EKS cluster, which would incur additional costs and complexity.
B). Use an Amazon Linux crontab scheduled job that runs on Amazon EC2. This is incorrect. Amazon EC2 is a web service that provides secure, resizable compute capacity in the cloud6. Crontab is a Linux utility that allows you to schedule commands or scripts to run automatically at a specified time or date7. This solution could meet the functional requirements of creating a small application that makes the same API call once each day at a designated time, but it would not be the most operationally efficient manner. The company would need to provision and manage an EC2 instance, which would incur additional costs and complexity.
D). Use an AWS Batch job that is submitted to an AWS Batch job queue. This is incorrect. AWS Batch enables you to run batch computing workloads on the AWS Cloud8. Batch jobs are units of work that can be submitted to job queues, where they are executed in parallel or sequentially on compute environments9. This solution could meet the functional requirements of creating a small application that makes the same API call once each day at a designated time, but it would not be the most operationally efficient manner. The company would need to configure and manage an AWS Batch environment, which would incur additional costs and complexity.
References:
1: What is AWS Lambda? - AWS Lambda
2: What is Amazon EventBridge? - Amazon EventBridge
3: Creating an Amazon EventBridge rule that runs on a schedule - Amazon EventBridge
4: What is Amazon EKS? - Amazon EKS
5: CronJob - Kubernetes
6: What is Amazon EC2? - Amazon EC2
7: Crontab in Linux with 20 Useful Examples to Schedule Jobs - Tecmint
8: What is AWS Batch? - AWS Batch
9: Jobs - AWS Batch


問題 #119
A developer is migrating code to an AWS Lambda function that will access an Amazon Aurora MySQL database.
What is the MOST secure way to authenticate the function to the database?

答案：C


問題 #120
A Developer is creating a mobile application with a limited budget. The solution requires a scalable service that will enable customers to sign up and authenticate into the mobile application while using the organization's current SAML 2.0 identity provider.
Which AWS service should be used to meet these requirements?

答案：D


問題 #121
......

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