AWS Certified Developer Associate Exam Practice Questions Part 1

A Developer creates code in Node.js language and executes this code in EC2 instance which took 200 seconds. The code calls Dynamo DB table but if he executes this code by deploying Lambda Function with default setting then it does not add necessary rows in the table, and it is not working same as it works in EC2 than what will be the changes required to execute it in the same way as EC2 instance work?

In AWS code deploy, the developer follow which sequence of hooks that get called?

An organization has a lambda function which is used to process the data asynchronously but if in case of any failure in function and they want to find out the
issue then what will do?

How an organization optimizes the performance of Amazon S3 if they get 7000 requests per second to access the files stored in it? (Choose any 2)

A company has Lambda function which is in the process of debugging, and they also have a print statement for the help in debugging process, but when they want to see logs in CloudWatch they can’t see that what was the issue behind this?

Consider an organization which worldwide has an application, and they use DynamoDB table for this application which is required across the world in various
regions then how they reduce latency for requests to DynamoDB?

Consider an educational institute has a static website which is hosted in S3 and now the code is changed, and JavaScript calls the web page in the same bucket via FQDN. But now uploading webpage is blocked what the issue was?

An organization has an API gateway which is used by its client to access API’s, and code of that API is hosted in AWS Lambda. It also gives a chance to all of its clients to move toward a new version of API within 5 months. Then how they achieve this scenario?

If an organization have multiple environments used in Lambda function and want to connect with the database in each environment then how IT department deploy Lambda Function?

An organization has an application which calls AWS RDS instance but in some cases when same queries are creating a burden on the database and reduces the performance of the database then how they resolve this issue?

If an organization has multiple resources on AWS cloud and they want to monitor all requests of STS Service for security purpose. How they meet the requirements?

An organization has an application which runs on an EC2 instance. Organization grant access to credentials for testing. The credentials contain permission to write in S3 bucket. When testing is done, an IAM role was attached to the instance which allows only read access from the bucket. But bucket still have to write access why?

An organization has an application which works on the basis of XML messages. An API gateway need to be placed in front of the application so that client requests to call API then how you configure the application?

An organization has a function which is in .NET format and hosted in AWS Lambda. In code, they have some external libraries which required then how in AWS Lambda they can work with external libraries?

An educational institute wants an application in which they use DyanmoDB tables approximate hundreds of request per second are made. They also have an application which captures changes and store it in DynamoDB table for future process. How do you meet above requirement?

A developer wants to access video file through unauthenticated identities in AWS although it developed a mobile-based application which wants to make use of authentication service. How he accessed?

A company develops an application in which they use Amazon Kinesis, and because of high throughput, they need to increase the number of shards. How the processing of the data on these shards occur?

If a developer uses Amazon S3 for object storage and approximately more than 6000 requests per seconds for accessing object then how he optimize performance?

An organization has an application which they want to maintain in cloud AWS with the help of ElasticBeanstalk. If deploying new application versions, it hits application version limits. How they effectively overcome this issue?

An organization has a static web page with CSS pages on S3 service which has a size of 2MB, and they enable server logging on that S3. After some duration, they see that the size of the bucket increases to 30 MB why?

How you streamed large datasets directly in Amazon S3 in AWS?

If a developer wants to create a template in CloudFormation on AWS which contain a large number of resources like EC2 instances, Load balancers, etc. How he design that template?

An organization has Lambda function on AWS that is used for API gateway as backend technology. For testing purpose, they want to assign URL of API gateway to some user.What the will do before performing a test on API?

A company wants to store its data in the cloud in DynamoDB table. They define that
table has 5 read capacity unit and 5 write capacity. How they achieve this? (choose any 3)

An organization used AWS Elastic container service in AWS to deploy Docker containers and each container has its instances which they want not be able to access each other because all instances will be used by the single client. How the developer provide a solution to meet requirements?

Consider an organization has resources which are in a separate account on the cloud for deployment of CI/CD automation because of some security issues and for this automation they need to use CodePipeline service. Then how they deploy that automation in the organization? (choose any 2)

If an organization has an application that wants to deploy by the use of AWS CodeDeploy in the cloud. Secure parameters which are in use of application are in AWS System Manager Parameter store. How they automatically deploy an application via CodeDeploy? (choose any 2)

An institute has an application in Cloud that is java based, and because of security purpose, they need encryption by using AWS KMS then how they achieve this and also decrypting as well? (choose any 2)

An organization has an application which points out multiple Lambda functions in AWS, and they want that if any modification is done on any function then traffic of application shifts from one function to other. How they achieve this? (choose any 2)

An image processing company has an application in which user upload images. They need that images and username who upload that image should be stored effectively. How does a developer meet above requirement? (choose any 2)

If a company has an application which deploys through Elastic Beanstalk in the AWS cloud. They need some health checks for which its configuration file
(healthcheck.config) need to be placed where it will work as a part of the Elastic Beanstalk environment. How will they place?

If an institution has an application which is used as a messaging system. They need that no message replicate itself and as well as its processes orderly in which they received. How they achieve this?

Consider an organization admin department has Code Commit repository which they want to provide it to it development department on another account then how they give access to this repository?

If you have data stored in DynamoDB table. After some time a huge amount of request is receiving on that then how you reduce the latency of request to DynamoDB table?

An organization has a DynamoDB table which is set with Read throughput capacity of 5RCU then how you will get maximum read operation by read configuration?

An organization wants to stream of data into S3 by using Amazon Kinesis Firehose, but before sending data to S3, it first needs to be transformed then how they will do transformation?

If a developer develops an application in which he receives 429 error after sometimes when he collects metric from multiple servers and then sends them to CloudWatch. How he remove this error?

If an organization use AWS Lambda in the cloud in which they use a recursive function. Now they see some throttling error after invocations multiple times then how they remove this error?

An organization has an application in the cloud which calls AWS RDS instance. In the application, there is a transactional system as well as the reporting module. Because of the huge amount of load response time for application is very high and due to this number of queries are rejected against a database system. How they resolve response time?

An organization has an application for which they required authentication in AWS and user which are logged into the application need MFA enabled then how they  achieve the above requirements?

An organization is facing performance issue when they deploy the application on AWS in EC2 instance which calls DynamoDB table. To identify the performance problems they use X-ray service but they could not find any trace in X-ray service why? (choose any 2)

An organization using an application which uses a DynamoDB table. In the beginning, the application is working well, but after some modification in the application, its performance is reduced. In a modification, you identify the queries that use an attribute which is not partition key. How you resolve this error?

Which is an ideal data store as a backend store to store the JSON data generated by the application?

An organization has an application in that they want to work with messages and for that, they use SQS with the default setting in AWS. Application required 60 seconds to process the individual message. What will they need to modify an application?

An organization has an application which writes to an SQS queue but as per policy of organization AWS credentials need to be encrypted and once in a week it must be rotated as well. How a developer provide credentials to allow your application to perform write in the queue?

An organization wants to develop and host its RESTful API service in AWS that are serviced through URL: https://companydemo.com/customers. How will they achieve the above demand? (choose any 2)

A production company wants to use an S3 bucket along with AWS Lambda function, but the function is not working as per demand then how you identify the issue and correct it?

With the help of kinesis stream how you encrypt all of your data easily at rest in your application?

An organization used S3 to store object with request rate of 2500 GET request per second. Now they need to encrypt object at rest for that they use KMS, but their performance is degrading due to this what the issue of performance degrading was?

A developer is using AWS Elastic Beanstalk to maintain its application which is for IT Company, and now the company needs that whenever there is a modification in the application, the infrastructure capacity is always maximum. How he meets the requirement of the company?