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This AWS Cloud Training App provides tools and features essentials to prepare and succeed in the AWS Certified Developer Associate Exam: 
- 2 Mock Exams, 
- 4 Quiz (30+ Questions per Quiz), 
- Score card for quizzes and mock exams
- Score Tracker, 
- Countdown timer, 
- Questions and Answers dumps for Development With AWS, Deployment, Monitoring, Troubleshooting, Refactoring.

IMPORTANT: The app requires Chrome to run, if you don't have chrome, install the free web/pwa version of the app at https://awscertifieddeveloperexamprep.com

The app covers: 
LAMBDA: Invocation types, Using notifications and event source mappings, Concurrency and throttling, X-Ray and Amazon SQS DLQs, Versions and aliases, Blue/green deployment, Packaging and deployment, VPC connections, Lambda as ELB target, Dependencies, Environment variables

DYNAMODB: Scans vs queries , Local and Global Secondary indexes,
Calculating Read Capacity Units (RCUs) and Write,
Capacity Units (WCUs), Performance / optimization best practices,
Use cases (e.g. session state, key/value data store, scalability),
Streams, Usage with Lambda and API Gateway, DAX.

API GATEWAY: Lambda / IAM / Cognito authorizers, Invalidation of cache, Integration types, Caching, Import / export OpenAPI Swagger specifications, Stage variables, Performance metrics

COGNITO: User pools vs Identity pools, Unauthenticated identities, Using MFA with Cognito, Web identity federation

S3: Encryption – make sure you understand S3 encryption very well for the exam, S3 Transfer Acceleration, Versioning, Copying data, Lifecycle rules

IAM: IAM policies and roles, Cross account access, Multi-factor authentication (MFA), API calls, IAM Roles with EC2 (instance profiles), Access keys vs roles, IAM best practices, Federation

ECS: Shared storage between containers, Single vs multi-docker environments, Uploading / downloading images with ECR, Placement strategies, Port mappings, Defining task definitions, IAM Roles for Tasks

ELASTIC BEANSTALK: Deployment policies and blue/green, .ebextensions and config file usage, Updating deployments, Worker vs web tier, Deployment, packaging and files, code, commands used, Use cases

CLOUDFORMATION: CloudFormation template anatomy (e.g. mappings, outputs, parameters, etc.), Packaging and deployment, AWS Serverless Application Model (SAM),

CLOUDWATCH: Monitoring application logs, Trigger scheduled Lambda invocation, Custom metrics, Metric resolution

DEVELOPER TOOLS – CODECOMMIT, CODEBUILD, CODEDEPLOY, CODEPIPELINE, CODESTAR, Know how each tool fits into the CI/CD pipeline, Various files used such as appspec.yml, buildspec.yml etc., Process for packaging and deployment, Deployment types with CodeDeploy

CLOUDFRONT: Viewer vs origin protocol policies, Lambda@Edge, Invalidate cache, Signed URLs / cookies

AWS X-RAY: X-Ray daemon, installing and configuring, Lambda with X-Ray, etc..
Annotations vs segments vs subsegments vs metadata, API calls, etc..

SQS
Standard queues, FIFO, DLQ, delay queue,
Decoupling applications use cases,
Event source mapping to Lambda,
Visibility timeout, Short polling vs long polling

ELASTICACHE
Use cases (caching and session state),
In-memory data store,
Lazy loading vs Write Through Caching,
Memcached vs Redis

STEP FUNCTIONS: Step Functions state machines,
Using to coordinate multiple Lambda function invocations

SSM PARAMETER STORE: Storing credentials, Rotation

Note and disclaimer: We are not affiliated with AWS or Amazon or Microsoft or Google. The questions are put together based on the certification study guide and materials available online. The questions in this app should help you pass the exam but it is not guaranteed. We are not responsible for any exam you did not pass.

Important: To succeed with the real exam, do not memorize the answers in this app. It is very important that you understand why a question is right or wrong and the concepts behind it by carefully reading the reference documents in the answers.
该AWS Cloud Training App提供了工具和功能要素，以帮助您准备和获得AWS认证开发人员助理考试的成功：
-2次模拟考试，
-4个测验（每个测验30个以上的问题），
-测验和模拟考试的计分卡
-分数追踪器
- 倒计时器，
-使用AWS开发，部署，监视，故障排除，重构的问题和答案转储。

重要提示：该应用程序需要运行Chrome，如果您没有安装Chrome，请在https://awscertifieddeveloperexamprep.com上安装该应用程序的免费Web / pwa版本。

该应用程序涵盖：
LAMBDA：调用类型，使用通知和事件源映射，并发和限制，X-Ray和Amazon SQS DLQ，版本和别名，蓝色/绿色部署，打包和部署，VPC连接，作为Lambda作为ELB目标，依赖关系，环境变量

DYNAMODB：扫描与查询，本地和全局二级索引，
计算读取容量单位（RCU）和写入，
容量单位（WCU），性能/优化最佳做法，
用例（例如会话状态，键/值数据存储区，可伸缩性），
Lambda和API网关，DAX的流，用法。

API网关：Lambda / IAM / Cognito授权者，缓存无效，集成类型，缓存，导入/导出OpenAPI Swagger规范，阶段变量，性能指标

COGNITO：用户池与身份池，未经身份验证的身份，将MFA与Cognito一起使用，Web身份联合

S3：加密–确保您对考试，S3传输加速，版本控制，复制数据，生命周期规则非常了解S3加密

IAM：IAM策略和角色，跨帐户访问，多因素身份验证（MFA），API调用，具有EC2的IAM角色（实例配置文件），访问密钥与角色，IAM最佳实践，联合

ECS：容器之间的共享存储，单或多docker环境，使用ECR上传/下载映像，放置策略，端口映射，定义任务定义，任务的IAM角色

ELASTIC BEANSTALK：部署策略和蓝色/绿色，.ebextensions和配置文件的使用，更新部署，Worker与Web层，部署，打包和文件，代码，使用的命令，用例

云格式：CloudFormation模板剖析（例如，映射，输出，参数等），打包和部署，AWS无服务器应用程序模型（SAM），

CLOUDWATCH：监视应用程序日志，触发计划的Lambda调用，自定义指标，指标解析

开发人员工具-CODECOMMIT，CODEBUILD，CODEDEPLOY，CODEPIPELINE，CODESTAR，了解每种工具如何适合CI / CD管道，所用的各种文件（例如appspec.yml，buildspec.yml等），打包和部署过程，带有CodeDeploy的部署类型

CLOUDFRONT：查看器与原始协议策略，Lambda @ Edge，使缓存无效，签名的URL / Cookie

AWS X-RAY：X-Ray守护程序，安装和配置，带有X-Ray的Lambda等。
注释，片段，子片段，元数据，API调用等。

SQS
标准队列，FIFO，DLQ，延迟队列，
解耦应用程序用例，
事件源映射到Lambda，
可见性超时，短轮询与长轮询

弹性
用例（缓存和会话状态），
内存中数据存储
延迟加载与通过缓存写入，
Memcached与Redis

步骤功能：步骤功能状态机，
用于协调多个Lambda函数调用

SSM PARAMETER STORE：存储凭证，轮换

注意和免责声明：我们不隶属于AWS或Amazon或Microsoft或Google。这些问题是根据认证学习指南和在线材料整理而成的。该应用程序中的问题应可帮助您通过考试，但不能保证。我们不对您未通过的任何考试负责。

重要提示：要成功通过真实的考试，请不要在此应用中记住答案。认真阅读答案中的参考文献，了解问题的对与错以及其背后的概念非常重要。


AWS Certified Developer Associate Exam Prep

AWS Certified Developer Associate Exam Prep的最新版本

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