EXAMS AWS CERTIFIED DEVELOPER - ASOCIATE 11

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Which of the below mentioned options can be a good use case for storing content in AWS RRS?

AWS RRS provides the same functionality as AWS S3, but at a cheaper rate. It is ideally suited for non-mission, critical applications, such as files which can be reproduced. http://docs.aws.amazon.com/AmazonS3/latest/dev/UsingRRS.html

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In relation to Amazon SQS, how many queues and messages can you have per queue for each user?

Amazon SQS supports an unlimited number of queues and unlimited number of messages per queue for each user. Please be aware that Amazon SQS automatically deletes messages that have been in the queue for more than 4 days. https://aws.amazon.com/items/1343?externalID=1343

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AWS Elastic Beanstalk stores your application files and optionally server log files in ________.

AWS Elastic Beanstalk stores your application files and optionally server log files in Amazon S3. If you are using the AWS Management Console, Git, the AWS Toolkit for Visual Studio, or AWS Toolkit for Eclipse, an Amazon S3 bucket will be created in your account for you and the files you upload will be automatically copied from your local client to Amazon S3. Optionally, you may configure Elastic Beanstalk to copy your server log files every hour to Amazon S3. You do this by editing the environment configuration settings. http://docs.aws.amazon.com/elasticbeanstalk/latest/dg/AWSHowTo.html

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A user has created a queue named "myqueue" with SQS.

There are four messages published to queue which are not received by the consumer yet.

If the user tries to delete the queue, what will happen?

SQS allows the user to move data between distributed components of applications so they can perform different tasks without losing messages or requiring each component to be always available. The user can delete a queue at any time, whether it is empty or not. It is important to note that queues retain messages for a set period of time. By default, a queue retains messages for four days. http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/SQSConcepts.html

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An account owner has created an IAM user with the name mywebstudies.

The account owner wants to give EC2 access of only the US West region to that IAM user.

How can the owner configure this?

The IAM policy is never region specific. If the user wants to configure the region specific setting, he needs to provide conditions as part of the policy. http://awspolicygen.s3.amazonaws.com/policygen.html

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A user is planning to host a mobile game on EC2 which sends notifications to active users on either high score or the addition of new features.

The user should get this notification when he is online on his mobile device.

Which of the below mentioned AWS services can help achieve this functionality?

Amazon Simple Notification Service (Amazon SNS) is a fast, flexible, and fully managed push messaging service. Amazon SNS makes it simple and costeffective to push to mobile devices, such as iPhone, iPad, Android, Kindle Fire, and internet connected smart devices, as well as pushing to other distributed services. http://aws.amazon.com/sns

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An organization has 20 employees.

The organization wants to give all the users access to the organization AWS account.

Which of the below mentioned options is the right solution?

AWS Identity and Access Management is a web service that enables the AWS customers to manage users and user permissions in AWS. The IAM is targeted at organizations with multiple users or systems that use AWS products such as Amazon EC2, Amazon RDS, and the AWS Management Console. With IAM, the organizaiton can centrally manage users, security credentials such as access keys, and permissions that control which AWS resources users can access. http://docs.aws.amazon.com/IAM/latest/UserGuide/IAM_Introduction.html

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A user is planning to use EBS for his DB requirement.

The user already has an EC2 instance running in the VPC private subnet.

How can the user attach the EBS volume to a running instance?

A Virtual Private Cloud (VPC) is a virtual network dedicated to the user's AWS account. The user can create subnets as per the requirement within a VPC. The VPC is always specific to a region. The user can create a VPC which can span multiple Availability Zones by adding one or more subnets in each Availability Zone. The instance launched will always be in the same availability zone of the respective subnet. When creating an EBS the user cannot specify the subnet or VPC. However, the user must create the EBS in the same zone as the instance so that it can attach the EBS volume to the running instance. http://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/VPC_Subnets.html#VPCSubnet

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