AWS DVA-C01 :: Practice Exam10

A development team wants to deploy an AWS Lambda function that requires significant CPU utilization. As a Developer Associate, which of the following would you suggest for reducing the average runtime of the function?. Deploy the function with its memory allocation set to the maximum amount -. Deploy the function into multiple AWS Regions. Deploy the function using Lambda layers. Deploy the function with its CPU allocation set to the maximum amount.

In addition to regular sign-in credentials, AWS supports Multi-Factor Authentication (MFA) for accounts with privileged access. Which of the following MFA mechanisms is NOT for root user authentication?. SMS text message-based MFA. Hardware MFA device. U2F security key. Virtual MFA devices.

A developer is testing Amazon Simple Queue Service (SQS) queues in a development environment. The queue along with all its contents has to be deleted after testing. Which SQS API should be used for this requirement?. DeleteQueue. PurgeQueue. RemoveQueue. RemovePermission.

You have 2 CloudFormation templates. Template A contains the networking components (VPC, Subnets, SGs, ...) Template B contains the application infrastructure (EC2 instances, ALB, EBS, ...). You want to attach the SGs in template A to the EC2 instances in template B. How would you achieve this task?. Export the SGs Ids in the Outputs section from template A, then import exported values in template B using Fn::ImportValue. You can't do this. You have to merge template A and B in one template.

When you write a CloudFormation template, you must specify the order in which CloudFormation should create your resources. true. false.

What is wrong with the following CloudFormation template? Mappings: AWSRegionArch2AMI: us-east-1: HVM64: ami-6869aa05 us-west-2: HVM64: ami-7172b611 us-west-1: HVM64: ami-31490d51 eu-west-1: HVM64: ami-f9dd458a EnvironmentToInstanceType: development: instanceType: t2.micro production: instanceType: m4.large Resources: EC2Instance: Type: AWS::EC2::Instance Properties: InstanceType: !FindInMap [EnvironmentToInstanceType, !Ref 'EnvironmentName', instanceType] ImageId: !FindInMap [AWSRegionArch2AMI, !Ref 'AWS::Region', HVM64]. The parameter EnvronmentName is missing. You can not define two mappings in a template.

CodeCommit is a managed version control service that hosts private Git repositories in the AWS cloud. Which of the following credential types is NOT supported by IAM for CodeCommit?. IAM username and password. Git credentials. SSH Keys. AWS access keys.

A multi-national company has multiple business units with each unit having its own AWS account. The development team at the company would like to debug and trace data across accounts and visualize it in a centralized account. As a Developer Associate, which of the following solutions would you suggest for the given use-case?. X-Ray. VPC Flow Logs. CloudWatch Events. CloudTrail.

As part of his development work, an AWS Certified Developer Associate is creating policies and attaching them to IAM identities. After creating necessary Identity-based policies, he is now creating Resource-based policies. Which is the only resource-based policy that the IAM service supports?. Trust policy. AWS Organizations Service Control Policies (SCP). Access control list (ACL). Permissions boundary.

A financial services company is undergoing a compliance audit by the regulator. The company has hundreds of IAM users that make API calls but specifically it needs to be determined who is making KMS API calls. Which of the following services should the audit team use?. CloudTrail. CloudWatch Metrics. X-Ray. Config.

A company is looking at optimizing their Amazon EC2 instance costs. Few instances are sure to run for a few years, but the instance type might change based on business requirements. Which EC2 instance purchasing option should they opt to meet the reduced cost criteria?. Convertible Reserved instances. Elastic Reserved instances. Standard Reserved instances. Scheduled Reserved instances.

A startup with NEWLY CREATED AWS account is testing different EC2 instances. They have used Burstable performance instance - T2.micro - for 35 seconds and stopped the instance. At THE END OF THE MONTH, what is the instance usage duration that the company is charged for? (in seconds). 60. 30. 0. 35.

A development team at a social media company uses AWS Lambda for its serverless stack on AWS Cloud. For a new deployment, the Team Lead wants to send only a certain portion of the traffic to the new Lambda version. In case the deployment goes wrong, the solution should also support the ability to roll back to a previous version of the Lambda function, with MIMINUM downtime for the application. As a Developer Associate, which of the following options would you recommend to address this use-case?. Set up the application to use an alias that points to the current version. Deploy the new version of the code and configure the alias to send 10% of the users to this new version. If the deployment goes wrong, reset the alias to point all traffic to the current version. Set up the application to use an alias that points to the current version. Deploy the new version of the code and configure alias to send all users to this new version. If the deployment goes wrong, reset the alias to point to the current version.

ECS Fargate container tasks are usually spread across Availability Zones (AZs) and the underlying workloads need persistent cross-AZ shared access to the data volumes configured for the container tasks. Which of the following solutions is the best choice for these workloads?. Amazon EFS volumes. Docker volumes. Bind mounts. AWS Storage Gateway volumes.

A development team wants to build an application using serverless architecture. The team plans to use AWS Lambda functions extensively to achieve this goal. The developers of the team work on different programming languages like Python, .NET and Javascript. The team wants to model the cloud infrastructure using any of these programming languages. Which AWS service/tool should the team use for the given use-case?. AWS Cloud Development Kit (CDK). AWS CloudFormation. AWS Serverless Application Model (SAM). AWS CodeDeploy.