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Pass4sureCert offers updated DVA-C02 questions in a PDF document. These DVA-C02 real exam questions come with accurate answers, ensuring reliability and authenticity. The PDF format provides portability, allowing you to study for the Amazon DVA-C02 examination without time and location constraints. You can access the PDF file on your laptop, tablet, or smartphone, making it incredibly convenient.

The Amazon DVA-C02 exam focuses on a wide range of topics related to AWS, including programming languages, development tools, and architectural best practices. It covers topics such as AWS core services, databases, security, and deployment. DVA-C02 exam also tests the candidate's ability to design and develop scalable, fault-tolerant, and highly available applications on the AWS platform.

To become a certified AWS Developer Associate, candidates must pass the DVA-C02 exam, which consists of 65 multiple-choice and multiple-response questions. DVA-C02 Exam is timed at 130 minutes, and candidates must score at least 720 out of 1000 to pass. AWS Certified Developer - Associate certification is valid for two years, and candidates are required to recertify to maintain their status. AWS Certified Developer - Associate certification is recognized globally and is highly valued by employers, making it a valuable asset for developers looking to enhance their career prospects in the cloud computing industry.

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Amazon AWS Certified Developer - Associate Sample Questions (Q303-Q308):

NEW QUESTION # 303
A company is using Amazon RDS as the Backend database for its application. After a recent marketing campaign, a surge of read requests to the database increased the latency of data retrieval from the database.
The company has decided to implement a caching layer in front of the database. The cached content must be encrypted and must be highly available.
Which solution will meet these requirements?

A. Amazon Cloudfront
B. Amazon ElastiCache to Memcached
C. Amazon DynamoDB Accelerate (DAX)
D. Amazon ElastiCache for Redis in cluster mode

Answer: D

Explanation:
This solution meets the requirements because it provides a caching layer that can store and retrieve encrypted data from multiple nodes. Amazon ElastiCache for Redis supports encryption at rest and in transit, and can scale horizontally to increase the cache capacity and availability. Amazon ElastiCache for Memcached does not support encryption, Amazon CloudFront is a content delivery network that is not suitable for caching database queries, and Amazon DynamoDB Accelerator (DAX) is a caching service that only works with DynamoDB tables.

NEW QUESTION # 304
A web application is using Amazon Kinesis Data Streams for clickstream data that may not be consumed for up to 12 hours.
How can the developer implement encryption at rest for data within the Kinesis Data Streams?

A. Enable SSL connections to Kinesis.
B. Encrypt the data once it is at rest with a Lambda function.
C. Use Amazon Kinesis Consumer Library.
D. Enable server-side encryption in Kinesis Data Streams.

Answer: D

Explanation:
Amazon Kinesis Data Streams is designed for real-time data streaming and allows multiple consumers to process data concurrently and in real-time. It can handle millions of events and provides a scalable and cost-effective solution for handling high-throughput data streams.

NEW QUESTION # 305
A developer is creating a serverless application that uses an AWS Lambda function The developer will use AWS CloudFormation to deploy the application The application will write logs to Amazon CloudWatch Logs The developer has created a log group in a CloudFormation template for the application to use The developer needs to modify the CloudFormation template to make the name of the log group available to the application at runtime Which solution will meet this requirement?

A. Pass the log group's name to the application in the user data section of the CloudFormation template.
B. Use the CloudFormation template's Mappings section to specify the log group's name for the application.
C. Pass the log group's Amazon Resource Name (ARN) as an environment variable to the Lambda function
D. Use the AWS:lnclude transform in CloudFormation to provide the log group's name to the application

Answer: C

Explanation:
* CloudFormation and Lambda Environment Variables:
* CloudFormation is an excellent tool to manage infrastructure as code, including the log group resource.
* Lambda functions can access environment variables at runtime, making them a suitable way to pass configuration information like the log group ARN.
* CloudFormation Template Modification:
* In your CloudFormation template, define the log group resource.
* In the Lambda function resource, add an Environment section:
YAML
Environment:
Variables:
LOG_GROUP_ARN:!RefLogGroupResourceName
Use code with caution.
content_copy
* The !Ref intrinsic function retrieves the log group's ARN, which CloudFormation generates during stack creation.
* Using the ARN in Your Lambda Function:
* Within your Lambda code, access the LOG_GROUP_ARN environment variable.
* Configure your logging library (e.g., Python's logging module) to send logs to the specified log group.

NEW QUESTION # 306
When using the AWS Encryption SDK how does the developer keep track of the data encryption keys used to encrypt data?

A. The SDK encrypts the data encryption key and stores it (encrypted) as part of the resumed ophertext.
B. The data encryption key is stored m the user data for the EC2 instance.
C. The developer must manually keep Hack of the data encryption keys used for each data object.
D. The SDK stores the data encryption keys automaticity in Amazon S3.

Answer: A

Explanation:
This solution will meet the requirements by using AWS Encryption SDK, which is a client-side encryption library that enables developers to encrypt and decrypt data using data encryption keys that are protected by AWS Key Management Service (AWS KMS). The SDK encrypts the data encryption key with a customer master key (CMK) that is managed by AWS KMS, and stores it (encrypted) as part of the returned ciphertext.
The developer does not need to keep track of the data encryption keys used to encrypt data, as they are stored with the encrypted data and can be retrieved and decrypted by using AWS KMS when needed. Option A is not optimal because it will require manual tracking of the data encryption keys used for each data object, which is error-prone and inefficient. Option C is not optimal because it will store the data encryption keys automatically in Amazon S3, which is unnecessary and insecure as Amazon S3 is not designed for storing encryption keys. Option D is not optimal because it will store the data encryption key in the user data for the EC2 instance, which is also unnecessary and insecure as user data is not encrypted by default.
References: [AWS Encryption SDK], [AWS Key Management Service]

NEW QUESTION # 307
A developer is investigating an issue in part of a company's application. In the application messages are sent to an Amazon Simple Queue Service (Amazon SQS) queue The AWS Lambda function polls messages from the SQS queue and sends email messages by using Amazon Simple Email Service (Amazon SES) Users have been receiving duplicate email messages during periods of high traffic.
Which reasons could explain the duplicate email messages? (Select TWO.)

A. Amazon SES has the DomainKeys Identified Mail (DKIM) authentication incorrectly configured
B. The Amazon SES bounce rate metric is too high.
C. The SQS queue's visibility timeout is lower than or the same as the Lambda function's timeout.
D. Standard SQS queues support at-least-once message delivery
E. Standard SQS queues support exactly-once processing, so the duplicate email messages are because of user error.

Answer: D

Explanation:
* SQS Delivery Behavior: Standard SQS queues guarantee at-least-once delivery, meaning messages may be processed more than once. This can lead to duplicate emails in this scenario.
* Visibility Timeout: If the visibility timeout on the SQS queue is too short, a message might become visible for another consumer before the first Lambda function finishes processing it. This can also lead to duplicates.
References:
* Amazon SQS Delivery Semantics: [invalid URL removed]
* Amazon SQS Visibility Timeout: https://docs.aws.amazon.com/AWSSimpleQueueService/latest
/SQSDeveloperGuide/sqs-visibility-timeout.html

NEW QUESTION # 308
......

With the Amazon DVA-C02 certification exam you can do your job nicely and quickly. You should keep in mind that the Amazon DVA-C02 certification exam is a valuable credential and will play an important role in your career advancement. With the right Amazon DVA-C02 Exam Preparation, commitment and dedication you can make this challenge easy and quick.

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Test DVA-C02 Sample Online | Latest DVA-C02 Exam Testking

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Amazon AWS Certified Developer - Associate Sample Questions (Q303-Q308):

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