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Difficulty in Writing Amazon AWS-Developer: AWS Certified Developer-Associate Exam
As everybody knows about this fact, the AWS Certified Developer Associate examination is not easy to pass because it takes a lot of work to pass the exam successfully and credible and recent study material. Before writing the AWS Certified Developer Associate certification exam, many candidates have concerns in their mind that are a pattern of the examination, the types of questions addressed in it, and the difficulty level of the questions, and the time taken to complete the questions. Challenging and developing awareness is the only way to pass the AWS Certified Developer Associate exam. Candidates assess their learning and define areas of enhancement with the actual format of the exam. The best approach is to practice AWS-Developer dumps with the AWS Certified Developer Associate Qualification Practice Exam since the AWS-Developer dumps pdf is one of the most critical components of the study plan of the AWS Certified Developer Associate Exam in which candidates can discover their strengths and weaknesses to strengthen their abilities in time management and to get an indication of the score they can expect. Several online platforms offer the latest exam questions for the AWS Certified Developer Associate Exam which can be understood by the candidates deprived of any difficulty. The online study material is best suited to busy professionals who donât have much to spend on preparation and want to pass it in a week. AWS-Developer practice exams are prepared by the team of experts after an in-depth analysis of the AWS Certified Developer Associate recommended syllabus and are intended to keep candidates updated and ensure a good passing rate.
The AWS Certified Developer – Associate (DVA-C01) exam is an industry-standard test that is designed for the individuals who work as developers with AWS products and want to earn the intermediate-level certification. It displays the individual’s skills in utilizing core AWS services, basic AWS architecture practices, and uses. Passing this test also determines one’s proficiency in deploying, developing, and debugging cloud-based applications as well as writing codes.
The DVA-C01 certification exam covers the following objectives:
- Developing with AWS Services – 30%
This topic measures the individuals’ skills in writing code for serverless applications, writing code that interrelates with AWS services through the use of AWS CLI, SDKs, and APIs. It also evaluates their expertise in implementing application design into the app code and translating functional prerequisites into app design.
- Refactoring – 10%
In this section, you will be measured based on your understanding and skills in optimizing applications to use the AWS features and services in the best way possible. The test takers will also be required to demonstrate competencies in migrating existing the application code to function on AWS.
- Monitoring & Troubleshooting – 12%
This area focuses on two core skills in AWS. It measures the candidates’ expertise in writing code that can be evaluated and monitored. It also checks their ability to carry out root cause analysis on specific faults found while testing or during the production process.
- Security – 26%
The candidates for the Amazon DVA-C01 exam will also be tested based on their ability to make genuine calls to AWS services, implement encryption with AWS services, and implement the authorization domain and application authentication.
- Deployment – 22%
This domain requires that the applicants demonstrate their skills in deploying the written code in AWS with the use of existing CI/CD pipelines, patterns, and processes. The examinees will also be required to showcase their expertise in deploying applications with the use of Elastic Beanstalk, preparing application deployment packaged designed to be deployed on AWS, and deploying serverless apps.
NEW QUESTION 188
When you register an activity in Amazon SWF, you provide the following information, except:
- A. a name
- B. a domain
- C. timeout values
- D. version
Answer: B
Explanation:
When designing an Amazon SWF workflow, you precisely define each of the required activities. You then register each activity with Amazon SWF as an activity type. When you register the activity, you provide information such as a name and version, and some timeout values based on how long you expect the activity to take.
Reference: http://docs.aws.amazon.com/amazonswf/latest/developerguide/swf-dg-intro-to-swf.html
NEW QUESTION 189
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.
https://aws.amazon.com/sqs/faqs/
NEW QUESTION 190
When AutoScaling is launching a new instance based on condition, which of the below mentioned policies
will it follow?
- A. Launch an instance in the AZ with the fewest instances
- B. Launch an instance in the AZ which has the highest instances
- C. Launch an instance which has the highest load distribution
- D. Based on the criteria defined with cross zone Load balancing
Answer: A
Explanation:
AutoScaling attempts to distribute instances evenly between the Availability Zones that are enabled for
the user's AutoScaling group. Auto Scaling does this by attempting to launch new instances in the
Availability Zone with the fewest instances.
Reference: http://docs.aws.amazon.com/AutoScaling/latest/DeveloperGuide/AS_Concepts.html
NEW QUESTION 191
Given the following AWS CloudFormation template:
What is the MOST efficient way to reference the new Amazon S3 bucket from another AWS CloudFormation template?
- A. Create a custom AWS CloudFormation resource that gets the bucket name from the ContentBucket resource of the first stack.
- B. Add Exported: True to the ContentBucket in the original template and use ImportResource in other templates.
- C. Use Fn: : Include to include the existing template in other template and use the ContentBucket resource directly
- D. Add an Export declaration to the outputs section of the original template and use ImportValue in other templates.
Answer: C
NEW QUESTION 192
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. Add instrumentation to the application code for X-Ray.
- B. Create a Docker image that runs the X-Ray daemon.
- C. Install the X-Ray daemon on the underlying EC2 instance.
- D. Configure and use an IAM EC2 instance role.
- E. Configure and use an IAM role for tasks.
- F. Register the application with X-Ray.
Answer: A,B,E
Explanation:
Explanation
https://docs.aws.amazon.com/xray/latest/devguide/xray-daemon-ecs.html
https://docs.aws.amazon.com/xray/latest/devguide/scorekeep-ecs.html
NEW QUESTION 193
What is the format of structured notification messages sent by Amazon SNS?
- A. An XML object containing MessageId, DuplicateFlag, Message and other values
- B. An JSON object containing MessageId, unsubscribeURL, Subject, Message and other values
- C. An JSON object containing MessageId, DuplicateFlag, Message and other values
- D. An XML object containing MessageId, UnsubscribeURL, Subject, Message and other values
Answer: B
Explanation:
https://docs.aws.amazon.com/sns/latest/dg/sns-message-and-json-formats.html#http-notification-json
NEW QUESTION 194
The upload of a 15 GB object to Amazon S3 fails. The error message reads: "Your proposed upload exceeds the maximum allowed object size." What technique will allow the Developer to upload this object?
- A. Upload the object over an AWS Direct Connect connection.
- B. Upload the object using the multi-part upload API.
- C. Contact AWS Support to increase the object size limit.
- D. Upload the object to another AWS region.
Answer: B
Explanation:
Explanation/Reference: https://acloud.guru/forums/aws-certified-solutions-architect-associate/discussion/- KACOEWK92oCmeCwuj4t/s3-question-on-multi-part-upload
NEW QUESTION 195
What happens, by default, when one of the resources in a CloudFormation stack cannot be created?
- A. The stack creation continues, and the final results indicate which steps failed.
- B. Previously-created resources are deleted and the stack creation terminates.
- C. CloudFormation templates are parsed in advance so stack creation is guaranteed to succeed.
- D. Previously-created resources are kept but the stack creation terminates.
Answer: B
Explanation:
https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/stacks.html
AWS CloudFormation ensures all stack resources are created or deleted as appropriate. Because AWS CloudFormation treats the stack resources as a single unit, they must all be created or deleted successfully for the stack to be created or deleted. If a resource cannot be created, AWS CloudFormation rolls the stack back and automatically deletes any resources that were created. If a resource cannot be deleted, any remaining resources are retained until the stack can be successfully deleted.
NEW QUESTION 196
An application reads data from an Amazon DynamoDB table. Several times a day, for a period of 15 seconds, the application receives multiple ProvisionedThroughputExceeded errors.
How should this exception be handled?
- A. Create a new global secondary index for the table to help with the additional requests.
- B. Use the DynamoDB "UpdateItem" API to increase the provisioned throughput capacity of the table.
- C. Retry the failed read requests with exponential backoff.
- D. Immediately retry the failed read requests.
Answer: C
Explanation:
Explanation
https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Programming.Errors.html
NEW QUESTION 197
A Developer must allow guest users without logins to access an Amazon Cognito-enabled site to view files stored within an Amazon S3 bucket.
How should the Developer meet these requirements?
- A. Create a new user pool, enable access to authenticated identifies, and grant access to AWS resources.
- B. Create a new user pool, disable authentication access, and grant access to AWS resources.
- C. Create a blank user ID in a user pool, add to the user group, and grant access to AWS resources.
- D. Create a new identity pool, enable access to authenticated identities, and grant access to AWS resources.
Answer: B
NEW QUESTION 198
A Developer has an application that must accept a large amount of incoming data streams and process the data before sending it to many downstream users.
Which serverless solution should the Developer use to meet these requirements?
- A. Amazon RDS MySQL stored procedure with AWS Lambda
- B. Amazon Kinesis Data Streams with AWS Lambda
- C. AWS Direct Connect with AWS Lambda
- D. Amazon EC2 bash script with AWS Lambda
Answer: B
Explanation:
Explanation/Reference: https://aws.amazon.com/kinesis/data-analytics/faqs/
NEW QUESTION 199
A user is planning to host MS SQL on an EBS volume. It was recommended to use the AWS RDS. What advantages will the user have if he uses RDS in comparison to an EBS based DB?
- A. High availability with multi AZs
- B. MS SQL is not supported with RDS
- C. Better throughput with PIOPS
- D. Automated backup
Answer: D
Explanation:
Comparing with on-premises or EC2 based MS SQL, RDS provides an automated backup feature. PIOPS is available with both RDS and EBS. However, HA is not available with MS SQL.
https://aws.amazon.com/rds/faqs/
NEW QUESTION 200
Bob is an IAM user who has access to the EC2 services. Admin is an IAM user who has access to all the
AWS services including IAM. Can Bob change his password?
- A. No, the IAM user can never change the password
- B. Yes, provided Admin has given Bob access to change his password
- C. Yes, only from AWS CLI
- D. Yes, only from the AWS console
Answer: B
Explanation:
The IAM users by default cannot change their password. The root owner or IAM administrator needs to
set the policy in the password policy page, which should allow the user to change their password. Once it
is enabled, the IAM user can always change their passwords from the AWS console or CLI.
Reference: http://docs.aws.amazon.com/IAM/latest/UserGuide/Using_ManagingUserPwdSelf.html
NEW QUESTION 201
A company is developing an application that will run on several Amazon EC2 instances in an Auto Scaling group and can access a database running on Amazon EC2. The application needs to store secrets required to connect to the database. The application must allow for periodic secret rotation, and there should be no changes to the application when a secret changes.
What is the SAFEST way to meet these requirements?
- A. Use AWS Systems Manager Parameter Store with the SecureString data type to store secrets.
- B. Associate an IAM role to the EC2 instance where the application is running with permission to access the database.
- C. Configure the application to store secrets in Amazon S3 object metadata.
- D. Hard code the database secrets in the application code itself.
Answer: B
NEW QUESTION 202
An application stops working with the following error: The specified bucket does not exist. Where is the BEST place to start the root cause analysis?
- A. Check the Elastic Load Balancer logs for DeleteBucket requests.
- B. Check AWS CloudTrail for a DeleteBucket event.
- C. Check the application logs in Amazon CloudWatch Logs for Amazon S3 DeleteBucket errors.
- D. Check AWS X-Ray for Amazon S3 DeleteBucket alarms.
Answer: B
NEW QUESTION 203
How can you secure data at rest on an EBS volume?
- A. Attach the volume to an instance using EC2's SSL interface.
- B. Use an encrypted file system on top of the BBS volume.
- C. Encrypt the volume using the S3 server-side encryption service.
- D. Write the data randomly instead of sequentially.
- E. Create an IAM policy that restricts read and write access to the volume.
Answer: C
NEW QUESTION 204
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