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Amazon DVA-C01 Exam Syllabus Topics:

Topic Details
Topic 1
  • Demonstrate Ability to Implement the Right Architecture for Development, Testing, and Staging Environments

Topic 2
  • Amazon S3, Amazon Simple Workflow Service (SWS), and Messaging, DynamoDB, AWS Elastic Beanstalk, AWS CloudFormation

Topic 3
  • AWS Fundamentals
  • Identify and Recognize Cloud Architecture Considerations, Such as Fundamental Components and Effective Designs

Topic 4
  • How to Design Cloud Services, Database Concepts, Planning and Design, Elasticity and Scalability

Topic 5
  • Deployment and Security
  • Recognize and Implement Secure Procedures for Optimum Cloud Deployment and Maintenance, Cloud Security Best Practices

Topic 6
  • Designing and Developing, Identify the Appropriate Techniques to Code a Cloud Solution, Configure an Amazon Machine Image (AMI), Programming with AWS APIs

Topic 7
  • Familiarity with Architectural Trade-Off Decisions (High Availability vs. Cost, Amazon Relational


Amazon AWS Certified Developer Associate Exam Sample Questions (Q73-Q78):

NEW QUESTION # 73
A developer is integrating Amazon ElastiCache in an application. The cache will store data from a database. The cached data must populate real-time dashboards.
Which caching strategy will meet these requirements?

  • A. A lazy-loading cache
  • B. A write-through cache
  • C. A write-behind cache
  • D. A read-through cache

Answer: B Explanation:
https://docs.aws.amazon.com/AmazonElastiCache/latest/mem-ug/Strategies.html#Strategies.WriteThrough
NEW QUESTION # 74
A Developer is writing an application that runs on Amazon EC2 instances in an Auto scaling group. The application data is stored in an Amazon DynamoDB table and records are constantly updated by all instances.
An instance sometimes retrieves old data. The Developer wants to correct this by making sure the reads are strongly consistent.
How can the developer accomplish this?

  • A. Create a new DynamoDB Accelerator (DAX) table.
  • B. Set consistency to strong when calling Update Table.
  • C. Use the Getshardlterator command.
  • D. Set consistentRead to true when calling Getitem.

Answer: A
NEW QUESTION # 75
A Developer is writing an imaging micro service on AWS Lambd
a. The service is dependent on several libraries that are not available in the Lambda runtime environment.
Which strategy should the Developer follow to create the Lambda deployment package?

  • A. Create a ZIP file with the source code. Stage the dependent libraries on an Amazon S3 bucket indicated by the Lambda environment variable LDLIBRARYPATH
  • B. Create a ZIP file with the source code and a script that installs the dependent libraries at runtime.
  • C. Create a ZIP file with the source code and all dependent libraries.
  • D. Create a ZIP file with the source code and a buildspec.yaml file that installs the dependent libraries on AWS Lambda.

Answer: B
NEW QUESTION # 76
An AWS Lambda function must read data from an Amazon RDS MySQL database in a VPC and also reach a public endpoint over the internet to get additional data.
Which steps must be taken to allow the function to access both the RDS resource and the public endpoint? (Select TWO.)

  • A. Modify the default configuration of the Lambda function to associate it with a VPC public subnet.
  • B. Modify the default configuration for the Lambda function to associate it with an Amazon VPC private subnet.
  • C. Modify the default network access control list to allow outbound traffic.
  • D. Add a NAT Gateway to the VPC.
  • E. Add an environmental variable to the Lambda function to allow outbound internet access.

Answer: B,D Explanation:
Reference:
https://docs.aws.amazon.com/lambda/latest/dg/vpc.html
NEW QUESTION # 77
A company has three different environments: Development, QA, and Production. The company wants to deploy its code first in the Development environment, then QA, and then Production.
Which AWS service can be used to meet this requirement?

  • A. Use AWS CodeBuild to create, configure, and deploy multiple build application projects.
  • B. Use AWS Data Pipeline to create multiple data pipeline provisions to deploy the application.
  • C. Use AWS CodeDeploy to create multiple deployment groups.
  • D. Use AWS CodeCommit to create multiple repositories to deploy the application.

Answer: C Explanation:
Reference:
https://docs.aws.amazon.com/codedeploy/latest/userguide/deployment-groups.html
"You can associate more than one deployment group with an application in CodeDeploy. This makes it possible to deploy an application revision to different sets of instances at different times. For example, you might use one deployment group to deploy an application revision to a set of instances tagged Test where you ensure the quality of the code. Next, you deploy the same application revision to a deployment group with instances tagged Staging for additional verification. Finally, when you are ready to release the latest application to customers, you deploy to a deployment group that includes instances tagged Production. "
NEW QUESTION # 78
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