Free Amazon DVA-C01 Exam Dumps and DVA-C01 Exam Questions

Question No: 1

MultipleChoice

A developer is deploying an application in the AWS Cloud by using AWS CloudFormation. The application will connect to an existing Amazon RDS database. The hostname of the RDS database is stored in AWS Systems Manager Parameter Store as a plaintext value. The developer needs to incorporate the database hostname into the CloudFormation template to initialize the application when the stack is created

How should the developer reference the parameter that contains the database hostname?

Options

AUse the ssm dynamic reference

BUse the Ref intrinsic function

CUse the Fn: ImportValue intrinsic function

DUse the ssm-secure dynamic reference.

Question No: 2

MultipleChoice

A company has deployed an application on AWS Elastic Beanstalk. The company has configured the Auto Scaling group that is associated with the Elastic Beanstalk environment to have five Amazon EC2 instances If the capacity is fewer than four EC2 instances during the deployment, application performance degrades. The company is using the all-at-once deployment policy

What is the MOST cost-effective way to solve the deployment issue?

Options

AChange the Auto Scaling group to six desired instances

BChange the deployment policy to traffic splitting Specify an evaluation time of 1 hour

CChange the deployment policy to rolling with additional batch Specify a batch size of 1.

DChange the deployment policy to rolling Specify a batch size of 2

Question No: 3

MultipleChoice

A company has an internal website that gives users the ability to access contract data that is stored in an Amazon RDS DB instance The number of contracts has increased, and several users have reported slow retrieval of the contract data.

The company wants to set up a cache to improve the latency A developer must create a solution that ensures data resiliency. The data must be encrypted and must be partitioned by department

Which solution will meet these requirements?

Options

AAmazon ElastiCache for Memcached with cluster mode enabled

BAmazon ElastiCache for Redis with cluster mode enabled

CAmazon ElastiCache for Redis with cluster mode disabled

DAmazon ElastiCache for Memcached with cluster mode disabled

Question No: 4

MultipleChoice

A supplier is writing a new RESTful API for customers to query the status of orders. The customers requested the following API endpoint.

Which of the following application designs meet the requirements? (Select two.)

Options

AAmazon SQS; Amazon SNS

BElastic Load Balancing; Amazon EC2

CAmazon ElastiCache; Amazon Elacticsearch Service

DAmazon API Gateway; AWS Lambda

EAmazon S3; Amazon CloudFront

Question No: 5

MultipleChoice

A company is running an application on AWS Elastic Beanstalk in a single-instance environment The company's deployments must avoid any downtime

Which deployment option will meet these requirements'?

Options

AAll at once

BRolling

CRolling with additional batch

DImmutable

Question No: 6

MultipleChoice

A developer tested an application locally and then deployed it to AWS Lambda While testing the application remotely the Lambda function fails with an access denied message How can this issue be addressed?

Options

AUpdate the Lambda function's execution role to include the missing permissions

BUpdate the Lambda function's resource policy to include the missing permissions

CInclude an 1AM policy document at the root of the deployment package and redeploy the Lambda function.

DRedeploy the Lambda function using an account with access to the AdministratorAccess policy

Question No: 7

MultipleChoice

A developer is writing an AWS Lambda function. The developer wants to log key events that occur during the Lambda function and include a unique identifier to associate the events with a specific function invocation

Which of the following will help the developer accomplish this objective?

Options

AObtain the request identifier from the Lambda context object Architect the application to write logs to the console.

BObtain the request identifier from the Lambda event object Architect the application to write logs to a file

CObtain the request identifier from the Lambda event object Architect the application to write logs to the console

DObtain the request identifier from the Lambda context object Architect the application to write logs to a file.

Question No: 8

MultipleChoice

You are writing to a DynamoDB table and receive the following exception:' ProvisionedThroughputExceededException'. though according to your Cloudwatch metrics for the table, you are not exceeding your provisioned throughput.

What could be an for this?

Options

AYou haven't provisioned enough DynamoDB storage instances

BYou're exceeding your capacity on a particular Range Key

CYou're exceeding your capacity on a particular Hash Key

DYou're exceeding your capacity on a particular Sort Key

EYou haven't configured DynamoDB Auto Scaling triggers

Question No: 9

MultipleChoice

A developer is designing a web application in which new users will use their email addresses to create accounts Millions of users are expected to sign up The application will store attributes for each user.

Which AWS service or feature should the developer implement to meet these requirements?

Options

AAmazon Cognito user pools

BAWS Mobile Hub User File Storage

CAWS AppSync

DAWS Mobile Hub Cloud Logic

Question No: 10

MultipleChoice

A company has an AWS Lambda function that runs hourly, reads log files that are stored in Amazon S3, and forwards alerts to Amazon Simple Notification Service (Amazon SNS) topics based on content A developer wants to add a custom metric to the Lambda function to track the number of alerts of each type for each run The developer needs to log this information in Amazon CloudWatch in a metric that is named Lambda/AlertCounts

How should the developer modify the Lambda function to meet this requirement with the LEAST operational overhead''

Options

AAdd a print statement to standard out for each alert and the number of occurrences

BAdd a call to the PutMetricData API operation Pass an array for alerts and the number of occurrences in the Values and Counts fields with a namespace of 'Lambda/AlertCounts'

CAdd a call to the PutMetncAlarm API operation Pass an array of alerts in the metrics member with the namespace of 'Lambda/AlertCounts'

DAdd a call to the PutDashboard API operation Pass an array of alerts in the metrics member with the namespace of 'Lambda/AlertCounts'