EXAMS AWS CERTIFIED DEVELOPER - ASOCIATE 14

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Auser is planning to host a scalable dynamic web application on AWS.

Which of the services may not be required by the user to achieve automated scalability?

The user can achieve automated scaling by launching different EC2 instances and making them a part of an ELB. Cloudwatch will be used to monitor the resources and based on the scaling need it will trigger policies. AutoScaling is then used to scale up or down the instances. http://docs.aws.amazon.com/AutoScaling/latest/DeveloperGuide/WhatIsAutoScaling.html

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A Developer is writing a Linux-based application to run on AWS Elastic Beanstalk.

Application requirements state that the application must maintain full capacity during updates while minimizing cost. Which type of Elastic Beanstalk deployment policy should the Developer specify for the environment?

https://aws.amazon.com/about-aws/whats-new/2016/04/aws-elastic-beanstalk-adds-two-new-deployment-policies-and-amazon-linux-ami-2016-03update/

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An application has hundreds of users. Each user may use multiple devices to access the application.

The Developer wants to assign unique identifiers to these users regardless ofthe device they use.

Which of the following methods should be used to obtain unique identifiers?

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Does AWS CloudFormation support Amazon EC2 tagging?

In AWS CloudFormation, Amazon EC2 resources that support the tagging feature can also be tagged in an AWS template. The tag values can refer to template parameters, other resource names, resource attribute values (e.g. addresses), or values computed by simple functions (e.g., a concatenated list of strings). http://aws.amazon.com/cloudformation/faqs/

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ADeveloper needs temporary access to resources in a second account.

What is the MOSTsecure way to achieve this?

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An application on AWSis using third-party APIs. The Developer needs to monitor APIerrors in the code, and wants to receive notifications if failures go above a set threshold value.

How can the Developer achieve these requirements?

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A user is launching an AWS RDS instance with MySQL.

The user wants to enable the Multi AZ feature. Which of the below mentioned parameters will not be allowed to configure by RDS?

If the user is launching RDS with Multi AZ the user cannot provision the Availability Zone. RDS is launched automatically instead https://console.aws.amazon.com/rds/

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What happens if your application performs more reads or writes than your provisioned capacity?

Speaking about DynamoDB, if your application performs more reads/second or writes/second than your table's provisioned throughput capacity allows, requests above your provisioned capacity will be throttled and you will receive 400 error codes.

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