AWS (CDA) Certified Developer Associate
Exam 3 (Latest Update)
Actual Questions and Verified Answers |
100% Correct | Grade A+ COMPLETE
You are working for a small organization that does not have a database
administrator and are needing to install a database on the cloud quickly to
support an accounting application used by thousands of users. The application
will act as a backend and will perform (CRUD) operations such as create, read,
update and delete as well as inner joins. Which database is best suited for this
scenario? - (ANSWER)RDS
You are a developer working on AWS Lambda functions that are triggered by
Amazon API Gateway and would like to perform testing on a small amount of
traffic for new API versions. Which of the following features will accomplish this
task? - (ANSWER)Canary Deployment
When your company first created an AWS account, you began with a single sign-in
principal called a root user account that had complete access to all AWS services
and resources. What should you do to adhere to best practices for using the root
user account? - (ANSWER)It should be accessible to one admin only after
enabling Multi-Factor Authentication
Your company is new to cloud computing and would like to host a static HTML5
website on the cloud and be able to access it via domain www.mycompany.com.
You have created a bucket in Amazon Simple Storage Service (S3), enabled
website hosting and set the index.html as the default page. Finally, you create an
Alias record in Amazon Route 53 that points to the S3 website endpoint of your S3
, 2
bucket. When you test the domain www.mycompany.com you get the following
error: 'HTTP response code 403 (Access Denied)'. What can you do to resolve this
error? - (ANSWER)Create a bucket policy
You were assigned to a project that requires the use of the AWS CLI to build a
project with AWS CodeBuild. Your project's root directory includes the
buildspec.yml file to run build commands and would like your build artifacts to be
automatically encrypted at the end. How should you configure CodeBuild to
accomplish this? - (ANSWER)Specify a KMS key to use
You are responsible for an application that runs on multiple Amazon EC2
instances. In front of the instances is an Internet-facing load balancer that takes
requests from clients over the internet and distributes them to the EC2 instances.
A health check is configured to ping the index.html page found in the root
directory for the health status. When accessing the website via the internet
visitors of the website receive timeout errors. What should be checked first to
resolve the issue? - (ANSWER)Security Groups
A security company is requiring all developers to perform server-side encryption
with customer-provided encryption keys when performing operations in AWS S3.
Developers should write software with C# using the AWS SDK and implement the
requirement in the PUT, GET, Head and Copy operations. Which of the following
encryption methods meets this requirement? - (ANSWER)SSE-C
You are a Developer consultant working on several client projects using cloud
technology and spending less time managing resources and more time focusing
on applications is a priority. You have created AWS CloudFormation templates
that are reusable by taking advantage of input parameters to name resources
, 3
based on client names. You would like to save your templates on the cloud, which
storage option should you choose? - (ANSWER)S3
Your e-commerce company needs to improve its software delivery process and is
moving away from the waterfall methodology. You decided that every application
should be built using the best CI/CD practices and every application should be
packaged and deployed as a Docker container. The Docker images should be
stored in ECR and pushed with AWS CodePipeline and AWS CodeBuild. When you
attempt to do this, the last step fails with an authorization issue. What is the most
likely issue? - (ANSWER)The IAM permissions are wrong for the CodeBuild service
You are a DynamoDB developer for an aerospace company that requires you to
write 6 objects per second of 4.5KB in size each. What write capacity unit is
needed for your project? - (ANSWER)30
Which of the following statements is not true for SNS? - (ANSWER)SNS messages
can be retrieved at a later date
When you update your application versions, AWS Elastic Beanstalk performs an
in-place update and your application becomes unavailable to users for a short
period of time. Instead, you would like to redirect traffic to the new version using
a DNS switch. Which deployment method will allow you to do this? -
(ANSWER)blue/green
You are a Developer working with AWS CloudFormation templates. Your
templates provision a VPC with one subnet and would like other stacks to use the
output value of the subnet created. What must you do to provide this information
to another stack? - (ANSWER)Export, Output