Pass Amazon AWS-Developer Exam Info and Free Practice Test
New 2022 Latest Questions AWS-Developer Dumps - Use Updated Amazon Exam
The benefit of obtaining the Amazon AWS-Developer: AWS Certified Developer-Associate Exam Certification
You will further advance your skills with AWS Certification. When you are AWS Certified, you will be eligible for benefits that help you demonstrate your accomplishments and continue learning.
There are more useful and appropriate networks for Amazon Certified IT professionals that allow them to set career goals for themselves. AWS Certified Developer Associate provides them with the correct career path that they are typically unable to get without certification.
Refer to Benefits for AWS Certified Individuals for more AWS certification benefits.
As other non-certified professionals struggle to do so, Amazon Certified IT Professionals can use the resources to accomplish the mission efficiently and cost-effectively.
AWS Certified Developer Associate Certifications provide opportunities to quickly get a position they are interested in instead of spending years and winding up without any experience.
AWS Certified Developer Associate Certification provides applicants with practical experience in all facets of becoming a professional worker in the company.
This will help you gain access to LinkedIn and network with your peers in the AWS Qualified community.
Employers who recruit workers must, as always, make decisions based on minimal knowledge. When they display the official Certification of AWS Certified-Developer-Associate, they can be confident that an applicant has obtained a certain degree of competence.
Because their qualifications are more skilled than non-certified professionals, Amazon Certified IT Professionals can be optimistic and distinct from others.
How to study the Amazon AWS-Developer: AWS Certified Developer-Associate Exam
According to AWS, there is no better preparation for AWS-Developer practice exams than hands-on experience. To assist you in learning additional knowledge and skills to prepare for certification, there are several related AWS training courses and other tools. For information on the skills tested during the certification test, please check the assessment guide on the official website of Amazon Web Services. All links to the resources are available in the References section, at the end of this document.
It is not a very easy job to receive qualifications, as students must do extensive study. It also takes a lot of time to train and learn from AWS Certified Developer-Associate . For this reason, several online platforms including AWS provide practice problems and tests for AWS Certified Developer-Associate . Those AWS-Developer practice test ensure the passing of candidates in this exam. By using that study material you can pass your AWS-Certified-Developer-Associate- exams for the first time. There is no doubt that all online learning platforms are updated and examined by specialists. Refer to the links at the end of this document to link you to the study material and practice problems.
NEW QUESTION 101
A Developer is investigating an issue whereby certain requests are passing through an Amazon API Gateway endpoint /MyAPI, but the requests do not reach the AWS Lambda function backing /MyAPI. The Developer found that a second Lambda function sometimes runs at maximum concurrency allowed for the given AWS account.
How can the Developer address this issue?
- A. Configure the second Lambda function's concurrency execution limit
- B. Manually reduce the concurrent execution limit at the account level
- C. Reduce the throttling limits in the API Gateway /MyAPI endpoint
- D. Add another API Gateway stage for /MyAPI, and shard the requests
Answer: A
Explanation:
https://aws.amazon.com/about-aws/whats-new/2017/11/set-concurrency-limits-on-individual-aws-lambda-functions/
You can now set a concurrency limit on individual AWS Lambda functions. The concurrency limit you set will reserve a portion of your account level concurrency limit for a given function. This feature allows you to throttle a given function if it reaches a maximum number of concurrent executions allowed, which you can choose to set.
NEW QUESTION 102
In regard to DynamoDB, which of the following statements is correct?
- A. A primary key should be single-valued.
- B. An attribute can have one or several other attributes.
- C. An Item can have more than one attributes.
- D. An Item should have at least two value sets, a primary key and another attribute.
Answer: C
Explanation:
In Amazon DynamoDB, a database is a collection of tables. A table is a collection of items and each item is a collection of attributes.
http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/DataModel.html
NEW QUESTION 103
In regards to Amazon SQS how can you secure the messages in your queues?
- A. Through your IAM access keys
- B. Don't use root access
- C. Amazon SQS uses either your Access Key ID or an X.509 certificate to authenticate your identity
- D. You can't
Answer: C
Explanation:
Authentication mechanisms are provided to ensure that messages stored in Amazon SQS queues are
secured against unauthorized access. Only the AWS account owners can access the queues they create.
Amazon SQS uses proven cryptographic methods to authenticate your identity, either through the use of
your Access Key ID and request signature, or through the use of an X.509 certificate.
Reference: https://aws.amazon.com/sqs/faqs/
NEW QUESTION 104
Which of the following statements about SWF are true? Choose 3 answers
- A. SWF workflow executions can last up to a year
- B. SWF uses deciders and workers to complete tasks
- C. SWF requires at least 1 EC2 instance per domain
- D. SWF triggers SNS notifications on task assignment
- E. SWF tasks are assigned once and never duplicated
- F. SWF requires an S3 bucket for workflow storage
Answer: A,B,E
NEW QUESTION 105
A development team is designing a mobile app that requires multi-factor authentication
Which steps should be taken to achieve this? (Select TWO)
- A. Use Amazon Cognito to create a user pool and create users in the user pool
- B. Send multi-tactor authentication text codes to users with the Amazon SNS Publish API call in the app code
- C. Enable multi-factor authentication for the users created in AWS IAM.
- D. Use AWS IAM to create IAM users
- E. Enable multi-factor authentication for the Amazon Cognito user pool
Answer: A,E
NEW QUESTION 106
A company runs an e-commerce website that uses Amazon DynamoDB where pricing for items is dynamically updated in real time. At any given time, multiple updates may occur simultaneously for pricing information on a particular product. This is causing the original editor's changes to be overwritten without a proper review process.
Which DynamoDB write option should be selected to prevent this overwriting?
- A. Batch writes
- B. Atomic writes
- C. Concurrent writes
- D. Conditional writes
Answer: D
NEW QUESTION 107
A large e-commerce site is being designed to deliver static objects from Amazon S3. The Amazon S3 bucket will server more than 300 GET requests per second. What should be done to optimize performance? (Choose two.)
- A. Randomize Amazon S3 key name prefixes.
- B. Delete expired Amazon S3 server log files.
- C. Configure Amazon S3 lifecycle rules.
- D. Enable Amazon S3 cross-region replication.
- E. Integrate Amazon CloudFront with Amazon S3.
Answer: D,E
Explanation:
Explanation/Reference: http://jayendrapatil.com/aws-s3-best-practices/
NEW QUESTION 108
A front-end web application is using Amazon Cognito user pools to handle the user authentication flow. A developer is integrating Amazon DynamoDB into the application using the AWS SDK for JavaScript
How would the developer securely call the API without exposing the access or secret keys?
- A. Hardcode the credentials use Amazon S3 to host the web application, and enable server-side encryption
- B. Use Amazon Cognito user pool JSON Web Tokens (JWTs) to access the DynamoDB APIs.
- C. Configure Amazon Cognito identity pools and exchange the JSON Web Token (JWT) for temporary credentials
- D. Run the web application in an Amazon EC2 instance with the instance profile configured
Answer: A
NEW QUESTION 109
A user is creating a new EBS volume from an existing snapshot. The snapshot size shows 10 GB. Can
the user create a volume of 30 GB from that snapshot?
- A. No
- B. Provided the original volume has set the change size attribute to true
- C. Provided the snapshot has the modify size attribute set as true
- D. Yes
Answer: D
Explanation:
A user can always create a new EBS volume of a higher size than the original snapshot size. The user
cannot create a volume of a lower size. When the new volume is created the size in the instance will be
shown as the original size. The user needs to change the size of the device with resize2fs or other OS
specific commands.
Reference: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-expand-volume.html
NEW QUESTION 110
A company is running a Docker application on Amazon ECS. The application must scale based on user load in the last 15 seconds.
How should a Developer instrument the code so that the requirement can be met?
- A. Create a standard-resolution custom Amazon CloudWatch metric for user activity data, then publish data every 30 seconds
- B. Create a high-resolution custom Amazon CloudWatch metric for user activity data, then publish data every 5 seconds
- C. Create a standard-resolution custom Amazon CloudWatch metric for user activity data, then publish data every 5 seconds
- D. Create a high-resolution custom Amazon CloudWatch metric for user activity data, then publish data every 30 seconds
Answer: B
Explanation:
Explanation
https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/publishingMetrics.html#high-resolution-me
NEW QUESTION 111
An organization has hosted an application on the EC2 instances. There will be multiple users connecting to the instance for setup and configuration of application. The organization is planning to implement certain security best practices. Which of the below mentioned pointers will not help the organization achieve better security arrangement?
- A. Disable the password based login for all the users. All the users should use their own keys to connect with the instance securely.
- B. Apply the latest patch of OS and always keep it updated.
- C. Create a procedure to revoke the access rights of the individual user when they are not required to connect to EC2 instance anymore for the purpose of application configuration.
- D. Allow only IAM users to connect with the EC2 instances with their own secret access key.
Answer: D
Explanation:
Since AWS is a public cloud any application hosted on EC2 is prone to hacker attacks. It becomes extremely important for a user to setup a proper security mechanism on the EC2 instances. A few of the security measures are listed below:
Always keep the OS updated with the latest patch
Always create separate users with in OS if they need to connect with the EC2 instances, create their keys and disable their password Create a procedure using which the admin can revoke the access of the user when the business work on the EC2 instance is completed Lock down unnecessary ports Audit any proprietary applications that the user may be running on the EC2 instance Provide temporary escalated privileges, such as sudo for users who need to perform occasional privileged tasks The IAM is useful when users are required to work with AWS resources and actions, such as launching an instance. It is not useful to connect (RDP / SSH) with an instance.
Reference: http://aws.amazon.com/articles/1233/
NEW QUESTION 112
In relation to Amazon Simple Workflow Service (Amazon SWF),what is an "Activity Worker"?
- A. The automation of a business process
- B. An individual task undertaken by a workflow
- C. A piece of software that implements tasks
- D. All answers listed are correct
Answer: C
Explanation:
In relation to Amazon Simple Workflow Service (Amazon SWF), an activity worker is a program that receives activity tasks, performs them, and provides results back. Which translates to a piece of software that implements tasks.
Reference: http://docs.aws.amazon.com/amazonswf/latest/developerguide/swf-dg-develop-activity.html
NEW QUESTION 113
A company is migrating its on-premises database to Amazon RDS for MySQL. The company has read-heavy workloads, and wants to make sure it re-factors its code to achieve optimum read performance for its queries.
How can this objective be met?
- A. Use RDS with multi-AZ deployment
- B. Add database retries to effectively use RDS with vertical scaling
- C. Add a connection string to use a read replica on an EC2 instance.
- D. Add a connection string to use an RDS read replica for read queries
Answer: D
Explanation:
Explanation/Reference:
NEW QUESTION 114
Which of the below mentioned commands allows the user to share the AMI with his peers using the AWS
EC2 CLI?
- A. ec2-share-image-account
- B. ec2-share-image-public
- C. ec2-modify-image-attribute
- D. ec2-share-image
Answer: C
Explanation:
A user can share an AMI with another user / peer using the command: ec2-modify-image-attribute
<AMI-ID> -l -a <AWS Account ID>
Reference: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/sharingamis-explicit.html
NEW QUESTION 115
A Developer created configuration specifications for an AWS Elastic Beanstalk application in a file named healthcheckurl.yaml in the .ebextensions/directory of their application source bundle. The file contains the
following:
After the application launches, the health check is not being run on the correct path, event though it is valid.
What can be done to correct this configuration file?
- A. Change the namespace of the option settings to a cusom namespace.
- B. Change the configuration section from options_settings to resources.
- C. Convert the file to JSON format.
- D. Rename the file to a .config extension.
Answer: B
Explanation:
Reference:
https://docs.aws.amazon.com/elasticbeanstalk/latest/dg/ebextensions.html
You can add AWS Elastic Beanstalk configuration files (.ebextensions) to your web application's source code to configure your environment and customize the AWS resources that it contains. Configuration files are YAML- or JSON-formatted documents with a .config file extension that you place in a folder named .ebextensions and deploy in your application source bundle. https://docs.aws.amazon.com/elasticbeanstalk/latest/dg/ebextensions.html
NEW QUESTION 116
A developer is creating a serverless web application and maintains different branches of code The developer wants to avoid updating the Amazon API Gateway target endpoint each time a new code push is performed What solution would allow me developer to perform a code push efficiently, without the need to update the API Gateway?
- A. Create different stages in API Gateway, then associate API Gateway with aws Lambda
- B. Associate different AWS Lambda functions to an API Gateway target endpoint
- C. Tag the AWS Lambda functions with different names
- D. Create aliases and versions In AWS Lambda.
Answer: A
NEW QUESTION 117
A Developer wants to enable AWS X-Ray for a secure application that runs in an Amazon ECS environment.
What combination of steps will enable X-Ray? (Select THREE.)
- A. Create a Docker image that runs the X-Ray daemon.
- B. Add instrumentation to the application code for X-Ray.
- C. Register the application with X-Ray.
- D. Configure and use an IAM EC2 instance role.
- E. Configure and use an IAM role for tasks.
- F. Install the X-Ray daemon on the underlying EC2 instance.
Answer: B,C,F
NEW QUESTION 118
Which of the following services are key/value stores? Choose 3 answers
- A. DynamoDB
- B. Simple Storage Service
- C. Simple Workflow Service
- D. Simple Notification Service
- E. Amazon ElastiCache
Answer: A,B,D
NEW QUESTION 119
A company has multiple Developers located across the globe who are updating code incrementally for a development project. When Developers upload code concurrently, internet connectivity is slow and it is taking a long time to upload code for deployment in AWS Elastic Beanstalk.
Which step will result in minimized upload and deployment time with the LEAST amount of administrative effort?
- A. Allow the Developers to upload the code to an Amazon S3 bucket, and deploy it directly to Elastic Beanstalk.
- B. Create an AWS CodeCommit repository, allow the Developers to commit code to it, and then directly deploy the code to Elastic Beanstalk.
- C. Create a code repository on an Amazon EC2 instance so that all Developers can update the code, and deploy the application from the instance to Elastic Beanstalk.
- D. Allow the Developers to upload the code to a central FTP server to deploy the application to Elastic Beanstalk.
Answer: B
NEW QUESTION 120
A company is collecting AWS CloudTrail log data from multiple AWS accounts by managing individual trails in each account and forwarding log data to a centralized Amazon S3 bucket residing in a log archive account. After CloudTrail introduced support for AWS Organizations trails, the company decided to further centralize management and automate deployment of the CloudTrail logging capability across all of its AWS accounts.
The company's security engineer created an AWS Organizations trail in the master account, enabled server-side encryption with AWS KMS managed keys (SSE-KMS) for the log files, and specified the same bucket as the storage location. However, the engineer noticed that logs recorded by the new trail were not delivered to the bucket.
Which factors could cause this issue? (Choose two.)
- A. The S3 bucket policy does not allow CloudTrail to make PutObject API calls against a folder created for the Organizations trail.
- B. The CMK key policy does not allow the IAM role used by the CloudTrail trail to use the key for cryptographical operations.
- C. The CMK key policy does not allow CloudTrail to make encrypt and decrypt API calls against the key.
- D. The IAM role used by the CloudTrail trail does not have permissions to make PutObject API calls against a folder created for the Organizations trail.
- E. The CMK key policy does not allow CloudTrail to make GenerateDatakey API calls against the key.
Answer: A,C
Explanation:
Explanation/Reference:
NEW QUESTION 121
A team of Developers must migrate an application running inside an AWS Elastic Beanstalk environment from a Classic Load Balancer to an Application Load Balancer.
Which steps should be taken to accomplish the task using the AWS Management Console?
- A. 1. Clone the existing environment, changing the associated load balancer type.
2. Deploy the same application version as used in the original environment.
3. Run the swap-environment-cnames action. - B. 1. Create a new environment with the same configurations except for the load balancer type.
2. Deploy the same application version as used in the original environment.
3. Run the swap-environment-cnames action. - C. 1. Update the application code in the existing deployment.
2. Select a new load balancer type before running the deployment.
3. Deploy the new version of the application code to the environment. - D. 1. Edit the environment definitions in the existing deployment.
2. Change the associated load balancer type according to the requirements.
3. Rebuild the environment with the new load balancer type.
Answer: C
NEW QUESTION 122
A user has setup Multi AZ with the MS SQL RDS instance. Which of the below mentioned functionalities
can be achieved by the user?
- A. MS SQL does not support Multi AZ
- B. Scalability
- C. High availability
- D. Disaster recovery
Answer: A
Explanation:
The Multi AZ feature allows the user to achieve High Availability. MS SQL does not support Multi AZ.
Reference: https://aws.amazon.com/rds/faqs/#36
NEW QUESTION 123
A deployment package uses the AWS CLI to copy files into any S3 bucket in the account, using access keys stored in environment variables. The package is running on EC2 instances, and the instances have been modified to run with an assumed IAM role and a more restrictive policy that allows access to only one bucket. After the change, the Developer logs into the host and still has the ability to write into all of the S3 buckets in that account.
What is the MOST likely cause of this situation?
- A. The AWS CLI is corrupt and needs to be reinstalled
- B. An IAM managed policy is being used on the IAM role
- C. The AWS credential provider looks for instance profile credentials last
- D. An IAM inline policy is being used on the IAM role
Answer: B
NEW QUESTION 124
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