When an AWS Config rule is triggered a JSON object known as an AWS Config Event is created.
This object contains a(n) ____ attribute, which is a JSON-formatted set of key/value pairs the receiving AWS Lambda function processes as part of its evaluation logic.

• A.inputParameters
• B.invokingEvent
• C.ruleConfiguration
• D.mappingTemplate

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A company has an application running in an Amazon VPC that must be able to communicate with on-premises resources in a data center. Network traffic between AWS and the data center will initially be minimal, but will increase to more than 10 Gbps over the next few months. The company's goal is to launch the application as quickly as possible.
The Network Engineer has been asked to design a hybrid IT connectivity solution.
What should be done to meet these requirements?

• A.Provision an AWS VPN connection between an Amazon VPC and the data center, then submit an AWS Direct Connect connection request. Later, cut over from the VPN connection to one or more Direct Connect connections, as needed.
• B.Allocate elastic IPs to Amazon EC2 instances for temporary access to on-premises resources, then provision AWS VPN connections between an Amazon VPC and the data center.
• C.Submit a 1 Gbps AWS Direct Connect connection request, then increase the number of Direct Connect connections, as needed.
• D.Provision a 100 Mbps AWS Direct Connect connection between an Amazon VPC and the data center, then submit a Direct Connect connection request. Later, cut over from the hosted connection to one or more Direct Connect connections, as needed.

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A company is deploying a non-web application on an AWS load balancer. All targets are servers located on-premises that can be accessed by using AWS Direct Connect. The company wants to ensure that the source IP addresses of clients connecting to the application are passed all the way to the end server.
How can this requirement be achieved?

• A.Use a Network Load Balancer to automatically preserve the source IP address.
• B.Use a Network Load Balancer and enable the X-Forwarded-For attribute.
• C.Use a Network Load Balancer and enable the ProxyProtocol v2 attribute.
• D.Use an Application Load Balancer to automatically preserve the source IP address in the X-Forwarded-For header.

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You are building an application in AWS that requires Amazon Elastic MapReduce (Amazon EMR). The application needs to resolve hostnames in your internal, on-premises Active Directory domain. You update your DHCP Options Set in the VPC to point to a pair of Active Directory integrated DNS servers running in your VPC.
Which action is required to support a successful Amazon EMR cluster launch?

• A.Add a conditional forwarder to the Amazon-provided DNS server.
• B.Enable seamless domain join for the Amazon EMR cluster.
• C.Launch an AD connector for the internal domain.
• D.Configure an Amazon Route 53 private zone for the EMR cluster.

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A legacy, on-premises web application cannot be load balances effectively. There are both planned and unplanned events that cause usage spikes to millions of concurrent users. The existing infrastructure cannot handle the usage spikes. The CIO has mandated that the application be moved to the cloud to avoid further disruptions, with the additional requirement that source IP addresses be unaltered to support network traffic-monitoring needs. Which of the following designs will meet these requirements?

• A.Use an Auto Scaling group of Amazon EC2 instances behind a Classic Load Balancer.
• B.Use an Auto Scaling group of EC2 instances in a target group behind an Application Load Balancer.
• C.Use an Auto Scaling group of EC2 instances in a target group behind a Classic Load Balancer.
• D.Use an Auto Scaling group of EC2 instances in a target group behind a Network Load Balancer.

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