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Amazon AWS Certified Developer - Associate DVA-C02 AWS Certified Developer - Associate DVA-C02 Dumps in PDF

Free Amazon AWS Certified Developer - Associate DVA-C02 Real Questions (page: 10)

AWS Certified Developer - Associate DVA-C02 PDF — 610 Questions

A company runs an application on AWS. The company deployed the application on Amazon EC2 instances. The application stores data on Amazon Aurora.
The application recently logged multiple application-specific custom DECRYP_ERROR errors to Amazon CloudWatch logs. The company did not detect the issue until the automated tests that run every 30 minutes failed. A developer must implement a solution that will monitor for the custom errors and alert a development team in real time when these errors occur in the production environment.
Which solution will meet these requirements with the LEAST operational overhead?

  1. Configure the application to create a custom metric and to push the metric to CloudWatch. Create an AWS CloudTrail alarm. Configure the CloudTrail alarm to use an Amazon Simple Notification Service (Amazon SNS) topic to send notifications.
  2. Create an AWS Lambda function to run every 5 minutes to scan the CloudWatch logs for the keyword DECRYP_ERROR. Configure the Lambda function to use Amazon Simple Notification Service (Amazon SNS) to send a notification.
  3. Use Amazon CloudWatch Logs to create a metric filter that has a filter pattern for DECRYP_ERROR. Create a CloudWatch alarm on this metric for a threshold >=1. Configure the alarm to send Amazon Simple Notification Service (Amazon SNS) notifications.
  4. Install the CloudWatch unified agent on the EC2 instance. Configure the application to generate a metric for the keyword DECRYP_ERROR errors. Configure the agent to send Amazon Simple Notification Service (Amazon SNS) notifications.

Answer(s): C



A developer created an AWS Lambda function that accesses resources in a VPC. The Lambda function polls an Amazon Simple Queue Service (Amazon SQS) queue for new messages through a VPC endpoint. Then the function calculates a rolling average of the numeric values that are contained in the messages. After initial tests of the Lambda function, the developer found that the value of the rolling average that the function returned was not accurate.
How can the developer ensure that the function calculates an accurate rolling average?

  1. Set the function's reserved concurrency to 1. Calculate the rolling average in the function. Store the calculated rolling average in Amazon ElastiCache.
  2. Modify the function to store the values in Amazon ElastiCache. When the function initializes, use the previous values from the cache to calculate the rolling average.
  3. Set the function's provisioned concurrency to 1. Calculate the rolling average in the function. Store the calculated rolling average in Amazon ElastiCache.
  4. Modify the function to store the values in the function's layers. When the function initializes, use the previously stored values to calculate the rolling average.

Answer(s): A



A developer is writing unit tests for a new application that will be deployed on AWS. The developer wants to validate all pull requests with unit tests and merge the code with the main branch only when all tests pass.
The developer stores the code in AWS CodeCommit and sets up AWS CodeBuild to run the unit tests. The developer creates an AWS Lambda function to start the CodeBuild task. The developer needs to identify the CodeCommit events in an Amazon EventBridge event that can invoke the Lambda function when a pull request is created or updated.
Which CodeCommit event will meet these requirements?

Answer(s): C



A developer deployed an application to an Amazon EC2 instance. The application needs to know the public IPv4 address of the instance.
How can the application find this information?

  1. Query the instance metadata from http://169.254.169.254/latest/meta-data/.
  2. Query the instance user data from http://169.254.169.254/latest/user-data/.
  3. Query the Amazon Machine Image (AMI) information from http://169.254.169.254/latest/meta-data/ami/.
  4. Check the hosts file of the operating system.

Answer(s): A



An application under development is required to store hundreds of video files. The data must be encrypted within the application prior to storage, with a unique key for each video file.
How should the developer code the application?

  1. Use the KMS Encrypt API to encrypt the data. Store the encrypted data key and data.
  2. Use a cryptography library to generate an encryption key for the application. Use the encryption key to encrypt the data. Store the encrypted data.
  3. Use the KMS GenerateDataKey API to get a data key. Encrypt the data with the data key. Store the encrypted data key and data.
  4. Upload the data to an S3 bucket using server side-encryption with an AWS KMS key.

Answer(s): C



A company is planning to deploy an application on AWS behind an Elastic Load Balancer. The application uses an HTTP/HTTPS listener and must access the client IP addresses.
Which load-balancing solution meets these requirements?

  1. Use an Application Load Balancer and the X-Forwarded-For headers.
  2. Use a Network Load Balancer (NLB). Enable proxy protocol support on the NLB and the target application.
  3. Use an Application Load Balancer. Register the targets by the instance ID.
  4. Use a Network Load Balancer and the X-Forwarded-For headers.

Answer(s): A



A developer wants to debug an application by searching and filtering log data. The application logs are stored in Amazon CloudWatch Logs. The developer creates a new metric filter to count exceptions in the application logs. However, no results are returned from the logs.
What is the reason that no filtered results are being returned?

  1. A setup of the Amazon CloudWatch interface VPC endpoint is required for filtering the CloudWatch Logs in the VPC.
  2. CloudWatch Logs only publishes metric data for events that happen after the filter is created.
  3. The log group for CloudWatch Logs should be first streamed to Amazon OpenSearch Service before metric filtering returns the results.
  4. Metric data points for logs groups can be filtered only after they are exported to an Amazon S3 bucket.

Answer(s): B



A company is planning to use AWS CodeDeploy to deploy an application to Amazon Elastic Container Service (Amazon ECS). During the deployment of a new version of the application, the company initially must expose only 10% of live traffic to the new version of the deployed application. Then, after 15 minutes elapse, the company must route all the remaining live traffic to the new version of the deployed application.
Which CodeDeploy predefined configuration will meet these requirements?

  1. CodeDeployDefault.ECSCanary10Percent15Minutes
  2. CodeDeployDefault.LambdaCanary10Percent5Minutes
  3. CodeDeployDefault.LambdaCanary10Percentl15Minutes
  4. CodeDeployDefault.ECSLinear10PercentEvery1Minutes

Answer(s): A



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Share your comments for Amazon AWS Certified Developer - Associate DVA-C02 exam with other users:

S
Sarah
6/13/2023 1:42:00 PM

anyone use this? the question dont seem to follow other formats and terminology i have been studying im getting worried

CANADA
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Shuv
10/3/2023 8:19:00 AM

good questions

UNITED STATES
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Reb974
8/5/2023 1:44:00 AM

hello are these questions valid for ms-102

CANADA
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Mchal
7/20/2023 3:38:00 AM

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Sonbir
8/8/2023 1:04:00 PM

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Anonymous
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Manju
10/19/2023 1:19:00 PM

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Anonymous
L
LeAnne Hair
8/24/2023 12:47:00 PM

#229 in incorrect - all the customers require an annual review

UNITED STATES
A
Abdul SK
9/28/2023 11:42:00 PM

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Anonymous
A
Aderonke
10/23/2023 12:53:00 PM

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UNITED KINGDOM
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SAJI
7/20/2023 2:51:00 AM

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Anonymous
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Raj Kumar
10/23/2023 8:52:00 PM

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CANADA
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piyush keshari
7/7/2023 9:46:00 PM

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Anonymous
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B.A.J
11/6/2023 7:01:00 AM

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Anonymous
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Guss
5/23/2023 12:28:00 PM

hi, could you please add the last update of ns0-527

Anonymous
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Rond65
8/22/2023 4:39:00 PM

question #3 refers to vnet4 and vnet5. however, there is no vnet5 listed in the case study (testlet 2).

UNITED STATES
C
Cheers
12/13/2023 9:55:00 AM

sometimes it may be good some times it may be

GERMANY
S
Sumita Bose
7/21/2023 1:01:00 AM

qs 4 answer seems wrong- please check

AUSTRALIA
A
Amit
9/7/2023 12:53:00 AM

very detailed explanation !

HONG KONG
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FisherGirl
5/16/2022 10:36:00 PM

the interactive nature of the test engine application makes the preparation process less boring.

NETHERLANDS
C
Chiranthaka
9/20/2023 11:15:00 AM

very useful.

Anonymous
S
SK
7/15/2023 3:51:00 AM

complete question dump should be made available for practice.

Anonymous
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Gamerrr420
5/25/2022 9:38:00 PM

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Kudu hgeur
9/21/2023 5:58:00 PM

nice create dewey stefen

CZECH REPUBLIC
A
Anorag
9/6/2023 9:24:00 AM

i just wrote this exam and it is still valid. the questions are exactly the same but there are about 4 or 5 questions that are answered incorrectly. so watch out for those. best of luck with your exam.

CANADA
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Nathan
1/10/2023 3:54:00 PM

passed my exam today. this is a good start to 2023.

UNITED STATES
1
1
10/28/2023 7:32:00 AM

great sharing

Anonymous
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Anand
1/20/2024 10:36:00 AM

very helpful

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Kumar
6/23/2023 1:07:00 PM

thanks.. very helpful

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User random
11/15/2023 3:01:00 AM

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kk
1/17/2024 3:00:00 PM

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Raj
7/24/2023 10:20:00 AM

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Blessious Phiri
8/13/2023 11:58:00 AM

becoming interesting on the logical part of the cdbs and pdbs

Anonymous
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LOL what a joke
9/10/2023 9:09:00 AM

some of the answers are incorrect, i would be wary of using this until an admin goes back and reviews all the answers

UNITED STATES
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Muhammad Rawish Siddiqui
12/9/2023 7:40:00 AM

question # 267: federated operating model is also correct.

SAUDI ARABIA
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