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Amazon DVA-C02 (AWS Certified Developer - Associate) Certification Exam is a valuable credential for professionals who want to specialize in developing and deploying applications on AWS. DVA-C02 exam covers a range of topics related to AWS development, including core services, application services, security, best practices, and troubleshooting. AWS Certified Developer - Associate certification is recognized globally and can help professionals advance their careers and increase their earning potential.

Amazon DVA-C02 (AWS Certified Developer - Associate) certification exam is designed for individuals who have experience in developing and maintaining applications on the Amazon Web Services (AWS) platform. AWS Certified Developer - Associate certification validates the individual's ability to design, deploy, and maintain AWS-based applications using various AWS services and tools.

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A AWS Certified Developer - Associate will not only expand your knowledge but it will polish your abilities as well to advance successfully in the world of Amazon. Real Amazon DVA-C02 Exam QUESTIONS certification increases your commitment and professionalism by giving you all the knowledge necessary to work in a professional setting. We have heard from thousands of people who say that using the authentic and Reliable DVA-C02 Exam Dumps was the only way they were able to pass the DVA-C02.

Amazon AWS Certified Developer - Associate Sample Questions (Q280-Q285):

NEW QUESTION # 280
A developer is building a three-tier web application that should be able to handle a minimum of
5000 requests per minute. Requirements state that the web tier should be completely stateless while the application maintains session state for the users.
How can session data be externalized, keeping latency at the LOWEST possible value?

Answer: C

Explanation:
Amazon ElastiCache (Memcached) provides low-latency, in-memory caching suitable for session storage. It ensures stateless web tier operations and supports the high throughput of 5000 requests per minute.


NEW QUESTION # 281
A company has an AWS Step Functions state machine named myStateMachine. The company configured a service role for Step Functions. The developer must ensure that only the myStateMachine state machine can assume the service role.
Which statement should the developer add to the trust policy to meet this requirement?

Answer: C

Explanation:
Why Option A is Correct:
The ArnLike condition with the specific ARN for myStateMachine ensures that only this state machine can assume the role. The format urn:aws:states is correct for specifying Step Functions resources.
Why Other Options are Incorrect:
Option B: Wildcards (*) in the ARN allow more resources to assume the role, which violates the requirement.
Option C: This condition restricts the account but not the specific state machine.
Option D: A StringNotEquals condition is used to deny specific values, which does not ensure exclusivity for the desired state machine.
AWS Documentation References:
IAM Trust Policies for Step Functions


NEW QUESTION # 282
A company is using Amazon API Gateway to invoke a new AWS Lambda function. The company has Lambda function versions in its PROD and DEV environments. In each environment, there is a Lambda function alias pointing to the corresponding Lambda function version. API Gateway has one stage that is configured to point at the PROD alias.
The company wants to configure API Gateway to enable the PROD and DEV Lambda function versions to be simultaneously and distinctly available.
Which solution will meet these requirements?

Answer: A

Explanation:
https://datanextsolutions.com/blog/managing-in-production-aws-lambda-functions-with-api- gateway/


NEW QUESTION # 283
A company notices that credentials that the company uses to connect to an external software as a service (SaaS) vendor are stored in a configuration file as plaintext.
The developer needs to secure the API credentials and enforce automatic credentials rotation on a quarterly basis.
Which solution will meet these requirements MOST securely?

Answer: B


NEW QUESTION # 284
A company has an application that stores data in Amazon RDS instances. The application periodically experiences surges of high traffic that cause performance problems.
During periods of peak traffic, a developer notices a reduction in query speed in all database queries.
The team's technical lead determines that a multi-threaded and scalable caching solution should be used to offload the heavy read traffic. The solution needs to improve performance.
Which solution will meet these requirements with the LEAST complexity?

Answer: D

Explanation:
* Amazon ElastiCache for Memcached is a fully managed, multithreaded, and scalable in-memory key- value store that can be used to cache frequently accessed data and improve application performance1.
By using Amazon ElastiCache for Memcached, the developer can reduce the load on the main database and handle high traffic surges more efficiently.
* To use Amazon ElastiCache for Memcached, the developer needs to create a cache cluster with one or more nodes, and configure the application to store and retrieve data from the cache cluster2. The developer can use any of the supported Memcached clients to interact with the cache cluster3. The developer can also use Auto Discovery to dynamically discover and connect to all cache nodes in a cluster4.
* Amazon ElastiCache for Memcached is compatible with the Memcached protocol, which means that the developer can use existing tools and libraries that work with Memcached1. Amazon ElastiCache for Memcached also supports data partitioning, which allows the developer to distribute data among multiple nodes and scale out the cache cluster as needed.
* Using Amazon ElastiCache for Memcached is a simple and effective solution that meets the requirements with the least complexity. The developer does not need to change the database schema, migrate data to a different service, or use a different caching model. The developer can leverage the existing Memcached ecosystem and easily integrate it with the application.


NEW QUESTION # 285
......

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