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Exam topics

The Amazon DVA-C01 exam is aimed at those professionals who carry out the Developer role. The test validates the candidates’ ability to demonstrate their knowledge of core AWS services, basic AWS architecture best practices, and uses. You will also be evaluated based on your proficiency in the development, deployment, and debugging of Cloud-based applications with the use of AWS. The exam covers five broad domains, each with a specific percentage. The students must pay attention to the percentage on each of the areas because it indicates the weight of questions that may be administered from each topic.

How to Prepare For Amazon AWS-Developer: AWS Certified Developer-Associate Exam

Preparation Guide forAmazon AWS-Developers AWS Certified Developer-Associate Exam

Introduction

Amazon Web Services (AWS) is an Amazon subsidiary that, on a metered pay-as-you-go basis, offers on-demand cloud computing platforms and APIs to individuals, enterprises, and governments. AWS certification is a degree of cloud experience in Amazon Web Services that an IT specialist obtains after completing one or more AWS examinations.

To demonstrate and verify technical cloud expertise and skills, IT pros obtain AWS certifications. For cloud developers, managers, and architects, AWS offers various qualification exams. AWS certification lasts for two years, and after it expires, IT pros can recertify their particular certification. Around the world, there are hundreds of examination centers in which to take the exams.

This qualification allows an understanding of the best practices of core AWS programs, uses, and basic AWS architecture. It demonstrates expertise in using AWS to build, deploy, and debug cloud-based applications.

This guide provides a detailed overview of the AWS Certified Developer Associate certification including all sorts of prerequisites for the exam, AWS-Developer exam dumps, topics covered, exam difficulty, and preparation methods, and the AWS-Developer practice exams.

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The AWS Certified Developer - Associate exam covers a wide range of topics including AWS core services, database technologies, security best practices, deployment and monitoring, and troubleshooting. Candidates are expected to have a solid understanding of programming languages such as Java, Python, and Ruby as well as experience in developing applications using AWS services.

Amazon AWS Certified Developer - Associate Sample Questions (Q27-Q32):

NEW QUESTION # 27
A company is running a Docker application on Amazon ECS. The application must scale based on user load in the last 15 seconds.
How should a Developer instrument the code so that the requirement can be met?

A. Create a standard-resolution custom Amazon CloudWatch metric for user activity data, then publish data every 30 seconds
B. Create a high-resolution custom Amazon CloudWatch metric for user activity data, then publish data every 30 seconds
C. Create a standard-resolution custom Amazon CloudWatch metric for user activity data, then publish data every 5 seconds
D. Create a high-resolution custom Amazon CloudWatch metric for user activity data, then publish data every 5 seconds

Answer: D

Explanation:
https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/publishingMetrics.html#high-resolution-metrics

NEW QUESTION # 28
An organization is using Amazon CloudFront to ensure that its users experience low-latency access to its web application. The organization has identified a need to encrypt all traffic between users and CloudFront, and all traffic between CloudFront and the web application.
How can these requirements be met? (Choose two.)

A. Use AWS KMS to encrypt traffic between CloudFront and the web application.
B. Enable the CloudFront option Restrict Viewer Access.
C. Set the Viewer Protocol Policy to "HTTPS Only" or "Redirect HTTP to HTTPS".
D. Set the Origin's HTTP Port to 443.
E. Set the Origin Protocol Policy to "HTTPS Only".

Answer: A,E

Explanation:
Explanation
https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/using-https-viewers-to-cloudfront.html
https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/using-https-cloudfront-to-custom-origi

NEW QUESTION # 29
A user is trying to understand AWS SNS. To which of the below mentioned end points is SNS unable to send a notification?

A. AWS SES
B. Email JSON
C. HTTP
D. AWS SQS

Answer: A

NEW QUESTION # 30
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?

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

Answer: B

Explanation:
Explanation
Refer AWS documentation - KMS GenerateDataKey
Returns a data encryption key that you can use in your application to encrypt data locally.
You must specify the customer master key (CMK) under which to generate the data key. You must also specify the length of the data key using either the field. You must specify one field or the other, but not both. For common key lengths (128-bit and 256-bit symmetric keys), we recommend that you use KeySpec. To perform this operation on a CMK in a different AWS account, specify the key ARN or alias ARN in the value of the KeyId parameter.
This operation returns a plaintext copy of the data key in the field of the response, and an encrypted copy of the data key in the CiphertextBlob field. The data key is encrypted under the CMK specified in the KeyId field of the request.

NEW QUESTION # 31
An application uses Amazon Kinesis Data Streams to ingest and process large streams of data records in real time. Amazon EC2 instances consume and process the data from the shards of the Kinesis data stream by using Amazon Kinesis Client Library (KCL). The application handles the failure scenarios and does not require standby workers. The application reports that a specific shard is receiving more data than expected. To adapt to the chnages in the rate of data flow, the "hot" shard is resharded.
Assuming that the initial number of shards in the Kinesis data stream is 4, and after resharding the number of shards increased to 6, what is the maximum number of EC2 instances that can be deployed to process data from all the shards?

A. 0
B. 1
C. 2
D. 3

Answer: A

Explanation:
Explanation
Typically, when you use the KCL, you should ensure that the number of instances does not exceed the number of shards (except for failure standby purposes). Each shard is processed by exactly one KCL worker and has exactly one corresponding record processor, so you never need multiple instances to process one shard.
However, one worker can process any number of shards, so it's fine if the number of shards exceeds the number of instances. https://docs.aws.amazon.com/streams/latest/dev/kinesis-record-processor-scaling.html

NEW QUESTION # 32
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