HIGH PASS-RATE EXAM DVA-C02 BIBLE & LEADING OFFER IN QUALIFICATION EXAMS & LATEST UPDATED AMAZON AWS CERTIFIED DEVELOPER - ASSOCIATE

High Pass-Rate Exam DVA-C02 Bible & Leading Offer in Qualification Exams & Latest updated Amazon AWS Certified Developer - Associate

High Pass-Rate Exam DVA-C02 Bible & Leading Offer in Qualification Exams & Latest updated Amazon AWS Certified Developer - Associate

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To prepare for the Amazon DVA-C02 certification exam, candidates can take various courses and training programs offered by AWS. They can also use online resources such as practice exams, study guides, and whitepapers to help them prepare for the exam. DVA-C02 exam consists of multiple-choice questions and is available in multiple languages.

To pass the Amazon DVA-C02 exam, candidates must have a good understanding of AWS services, programming languages, and application development best practices. They should also have experience working with AWS technologies and be able to demonstrate their ability to design, develop, and deploy cloud-based applications using AWS services.

Amazon DVA-C02 (AWS Certified Developer - Associate) Exam is a certification exam designed for individuals who are interested in becoming certified developers on the Amazon Web Services (AWS) platform. DVA-C02 exam is intended for individuals who have experience in developing and maintaining applications on AWS, as well as those who have a solid understanding of AWS services and architecture. The DVA-C02 exam validates an individual's ability to design, develop, and deploy cloud-based solutions using AWS services and tools.

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Amazon AWS Certified Developer - Associate Sample Questions (Q201-Q206):

NEW QUESTION # 201
A company is planning to securely manage one-time fixed license keys in AWS. The company's development team needs to access the license keys in automaton scripts that run in Amazon EC2 instances and in AWS CloudFormation stacks.
Which solution will meet these requirements MOST cost-effectively?

  • A. Amazon S3 with encrypted files prefixed with "config"
  • B. AWS Secrets Manager secrets with a tag that is named SecretString
  • C. CloudFormation NoEcho parameters
  • D. AWS Systems Manager Parameter Store SecureString parameters

Answer: D

Explanation:
https://docs.aws.amazon.com/systems-manager/latest/userguide/systems-manager-parameter- store.html


NEW QUESTION # 202
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?

  • A. Replicate the data to Amazon DynamoDB. Set up a DynamoDB Accelerator (DAX) cluster.
  • B. Configure the Amazon RDS instances to use Multi-AZ deployment with one standby instance. Offload read requests from the main database to the standby instance.
  • C. Use Amazon ElastiCache for Memcached to offload read requests from the main database.
  • D. Use Amazon ElastiCache for Redis to offload read requests from the main database.

Answer: C

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 # 203
A company hosts a stateless web application with low data storage in a single AWS Region. The company wants to increase the resiliency of the application to include a multi-Region presence. The company wants to set the recovery time objective (RTO) and recovery point objective (RPO) to hours. The company needs a low-cost and low-complexity disaster recovery (DR) strategy.
Which DR strategy should the company use?

  • A. Backup and restore
  • B. Pilot light
  • C. Warm standby
  • D. Multi-site active-active

Answer: B

Explanation:
Comprehensive Detailed Explanation with all AWS Reference
Why Option B is Correct:
The pilot light strategy keeps a minimal version of the environment in another Region and scales up during a disaster. It achieves an RTO and RPO of hours at a low cost and complexity.
Why Other Options are Incorrect:
Option A: Warm standby is more expensive as it keeps a scaled-down, fully functioning version running in another Region.
Option C: Backup and restore has a longer RTO and RPO than hours.
Option D: Multi-site active-active is costly and more complex than required.
AWS Documentation Reference:
Disaster Recovery Strategies on AWS


NEW QUESTION # 204
A developer accesses AWS CodeCommit over SSH. The SSH keys configured to access AWS CodeCommit are tied to a user with the following permissions:
The developer needs to create/delete branches
Which specific IAM permissions need to be added based on the principle of least privilege?

  • A. Option C
  • B. Option B
  • C. Option D
  • D. Option A

Answer: D

Explanation:
This solution allows the developer to create and delete branches in AWS CodeCommit by granting the codecommit:CreateBranch and codecommit:DeleteBranch permissions. These are the minimum permissions required for this task, following the principle of least privilege. Option B grants too many permissions, such as codecommit:Put*, which allows the developer to create, update, or delete any resource in CodeCommit.
Option C grants too few permissions, such as codecommit:Update*, which does not allow the developer to create or delete branches. Option D grants all permissions, such as codecommit:*, which is not secure or recommended.


NEW QUESTION # 205
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?

  • A. Replicate the data to Amazon DynamoDB. Set up a DynamoDB Accelerator (DAX) cluster.
  • B. Use Amazon ElastiCache for Memcached to offload read requests from the main database.
  • C. Configure the Amazon RDS instances to use Multi-AZ deployment with one standby instance. Offload read requests from the main database to the standby instance.
  • D. Use Amazon ElastiCache for Redis to offload read requests from the main database.

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 # 206
......

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