If you have chosen Multi-AZ deployment, in the event of a planned or unplanned outage of your primary DB Instance, Amazon RDS automatically switches to the standby replica. The automatic failover mechanism simply changes the ______ record of the main DB Instance to point to the standby DB Instance.

• A.CNAME
• B.DNAME
• C.TXT
• D.MX

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You need to develop and run some new applications on AWS and you know that Elastic Beanstalk and
CloudFormation can both help as a deployment mechanism for a broad range of AWS resources. Which of the following statements best describes the differences between Elastic Beanstalk and
CloudFormation?

• A.Elastic Beanstalk uses Elastic load balancing and CloudFormation doesn't.
• B.CloudFormation is faster in deploying applications than Elastic Beanstalk.
• C.Elastic Beanstalk is faster in deploying applications than CloudFormation.
• D.CloudFormation is much more powerful than Elastic Beanstalk, because you can actually design and script custom resources

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A company has developed a web application that runs on Amazon EC2 instances in one AWS Region. The company has taken on new business in other countries and must deploy its application into other regions to meet low-latency requirements for its users. The regions can be segregated, and an application running in one region does not need to communicate with instances in other regions.
How should the company's Solutions Architect automate the deployment of the application so that it can be MOST efficiently deployed into multiple regions?

• A.Write a CloudFormation template describing the application's infrastructure in the Resources section. Use a CloudFormation stack set from an administrator account to launch stack instances that deploy the application to other regions.
• B.Write a bash script that uses the AWS CLI to query the current state in one region and output a JSON representation. Pass the JSON representation to the AWS CLI, specifying the --regionparameter to deploy the application to other regions.
• C.Write a bash script that uses the AWS CLI to query the current state in one region and output an AWS CloudFormation template. Create a CloudFormation stack from the template by using the AWS CLI, specifying the --region parameter to deploy the application to other regions.
• D.Write a CloudFormation template describing the application's infrastructure in the resources section. Create a CloudFormation stack from the template by using the AWS CLI, specify multiple regions using the -- regionsparameter to deploy the application.

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Which security functions are based on AWS STS? Choose 2 answers

• A.Using IAM roles with Amazon EC2 instances
• B.Adding conditions to managed policies
• C.Using Web federated identity to authenticate users
• D.Using access keys to authenticate IAM users
• E.Assigning managed policies to IAM groups

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A company has an application running on Amazon EC2 On-Demand Instances. The application does not scale, and the Instances run In one AWS Region. The company wants the flexibility to change the operating system from Windows to AWS Linux in the future. The company needs to reduce the cost of the instances without creating additional operational overhead or changes to the application What should the company purchase lo meet these requirements MOST cost-effectively?

• A.A Compute Savings Plan for the instance type being used
• B.Dedicated Hosts for the Instance type being used
• C.Convertible Reserved Instances tor the instance type being used
• D.An EC2 Instance Savings Plan (or the instance type being used

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