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100% Pass Quiz High-quality DVA-C02 - New AWS Certified Developer - Associate Test Labs

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The AWS Certified Developer - Associate certification is a great way for developers to advance their careers and stay up-to-date with the latest cloud computing technologies. It is highly valued by employers and can lead to better job opportunities and higher salaries. Preparing for the exam requires a strong understanding of AWS services and their use cases, as well as hands-on experience with building and deploying applications on the AWS platform.

Amazon DVA-C02 exam is a challenging certification exam that requires extensive knowledge and hands-on experience in developing and maintaining applications on AWS. DVA-C02 Exam consists of 65 multiple-choice and multiple-response questions that must be completed within 130 minutes. The passing score for the exam is 720 out of 1000 points. Upon passing the exam, candidates will receive the AWS Certified Developer - Associate certification, which demonstrates their proficiency in developing and maintaining applications on AWS and validates their skills in the rapidly growing field of cloud computing.

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Amazon DVA-C02 (AWS Certified Developer - Associate) exam is a certification program that is designed to test the skills and knowledge of developers who are interested in building and maintaining applications using the Amazon Web Services (AWS) platform. DVA-C02 Exam is intended for individuals who possess a strong understanding of AWS services and have hands-on experience developing and deploying applications on AWS.

Amazon AWS Certified Developer - Associate Sample Questions (Q167-Q172):

NEW QUESTION # 167
A company has a serverless application that uses an Amazon API Gateway API to invoke an AWS Lambda function. A developer creates a fix for a defect in the Lambda function code. The developer wants to deploy this fix to the production environment.
To test the changes, the developer needs to send 10% of the live production traffic to the updated Lambda function version.
Which combination of steps will meet these requirements? (Choose two.)

A. Publish a new version of the Lambda function that contains the updated code.
B. Set up a weighted routing policy by using Amazon Route 53. Configure 10% of the traffic to go to the new Lambda function version.
C. Set up a new stage in API Gateway with a new Lambda function version. Enable weighted routing in API Gateway stages.
D. Set up a routing policy on a Network Load Balancer. Configure 10% of the traffic to go to the new Lambda function version.
E. Create an alias for the Lambda function. Configure weighted routing on the alias. Specify a 10% weight for the new Lambda function version.

Answer: A,E

NEW QUESTION # 168
A company developed an API application on AWS by using Amazon CloudFront, Amazon API Gateway, and AWS Lambd a. The API has a minimum of four requests every second. A developer notices that many API users run the same query by using the POST method. The developer wants to cache the POST request to optimize the API resources.
Which solution will meet these requirements?

A. Configure the CloudFront cache. Update the application to return cached content based upon the default request headers.
B. Save the latest request response in Lambda /tmp directory. Update the Lambda function to check the /tmp directory.
C. Override the cache method in the selected stage of API Gateway. Select the POST method.
D. Save the latest request in AWS Systems Manager Parameter Store. Modify the Lambda function to take the latest request response from Parameter Store.

Answer: C

Explanation:
Amazon API Gateway provides tools for creating and documenting web APIs that route HTTP requests to Lambda functions2. You can secure access to your API with authentication and authorization controls. Your APIs can serve traffic over the internet or can be accessible only within your VPC2. You can override the cache method in the selected stage of API Gateway2. Therefore, option B is correct.

NEW QUESTION # 169
A developer is using an AWS Lambda function to process data. The developer needs to extract custom metrics about processing times from the Lambda logs. The developer needs to analyze the metrics, set alarms, and detect issues in real time.
Which solution will meet these requirements?

A. Publish custom metric data to AWS CloudTrail by using the PutMetricData API operation. Classify and collect the metrics. Create graphs and alarms in CloudTrail for the custom metrics.
B. Create an Amazon Kinesis data stream to stream log events in real time from Lambda. Specify an Amazon S3 bucket as the destination for the Kinesis data stream. Use Amazon CloudWatch to visualize the log data and to set alarms.
C. Use the open source client libraries provided by Amazon to generate the logs in the Amazon CloudWatch embedded metric format. Use CloudWatch to create the required graphs and alarms for the custom metrics.
D. Use Amazon CloudWatch Logs Insights to create custom metrics by querying the logs that come from the Lambda function. Use CloudWatch to create the required graphs and alarms for the custom metrics.

Answer: C

Explanation:
Amazon provides open-source client libraries that allow you to embed custom metrics directly into your Lambda logs in a structured format (CloudWatch Embedded Metric Format). This approach enables the automatic extraction of custom metrics from the logs, and these metrics are immediately available for analysis in Amazon CloudWatch. You can use CloudWatch to create graphs, alarms, and set real-time alerts based on these custom metrics.

NEW QUESTION # 170
A company has an application that is hosted on Amazon EC2 instances The application stores objects in an Amazon S3 bucket and allows users to download objects from the S3 bucket A developer turns on S3 Block Public Access for the S3 bucket After this change, users report errors when they attempt to download objects The developer needs to implement a solution so that only users who are signed in to the application can access objects in the S3 bucket.
Which combination of steps will meet these requirements in the MOST secure way? (Select TWO.)

A. Create an EC2 instance profile and role with an appropriate policy Associate the role with the EC2 instances
B. Modify the application to delegate requests to the S3 bucket.
C. Modify the application to use the S3 GetObject API call and to return the object handle to the user
D. Create an 1AM user with an appropriate policy. Store the access key ID and secret access key on the EC2 instances
E. Modify the application to use the S3 GeneratePresignedUrl API call

Answer: A,E

Explanation:
* IAM Roles for EC2 (A): The most secure way to provide AWS permissions from EC2.
* Create a role with a policy allowing s3:GetObject on the specific bucket.
* Attach the role to an instance profile and associate that profile with your instances.
* Pre-signed URLs (C): Temporary, authenticated URLs for specific S3 actions.
* Modify the app to use the AWS SDK to call GeneratePresignedUrl.
* Embed these URLs when a user is properly logged in, allowing download access.

NEW QUESTION # 171
A developer is creating an application that uses an Amazon DynamoDB table. The developer needs to develop code that reads all records that were added to the table during the previous day. creates HTML reports, and pushes the reports into third-party storage. The item size varies from 1 KB to 4 KB, and the index structure is defined with the date. The developer needs to minimize the read capacity that the application requires from the DynamoDB table.
Which DynamoDB API operation should the developer use in the code to meet these requirements?

A. Getltem
B. Query
C. BatchGetltem
D. Scan

Answer: B

NEW QUESTION # 172
......

DVA-C02 Valid Test Syllabus: https://www.topexamcollection.com/DVA-C02-vce-collection.html

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