A user has created a VPC with CIDR 20.0.0.0/24. The user has created a public subnet with CIDR 20.0.0.0/25 and a private subnet with CIDR 20.0.0.128/25. The user has launched one instance each in the private and public subnets. Which of the below mentioned options cannot be the correct IP address (private IP. assigned to an instance in the public or private subnet?

• A.20.0.0.255
• B.20.0.0.132
• C.20.0.0.122
• D.20.0.0.55

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AWS IAM permissions can be assigned in two ways:

• A.as role-based or as resource-based.
• B.as identity-based or as resource-based.
• C.as security group-based or as key-based.
• D.as user-based or as key-based.

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An application you maintain consists of multiple EC2 instances in a default tenancy VPC. This application has undergone an internal audit and has been determined to require dedicated hardware for one instance. Your compliance team has given you a week to move this instance to single-tenant hardware.
Which process will have minimal impact on your application while complying with this requirement?

• A.Create a new VPC with tenancy=dedicated and migrate to the new VPC
• B.Use ec2-reboot-instances command line and set the parameter "dedicated=true"
• C.Right click on the instance, select properties and check the box for dedicated tenancy
• D.Stop the instance, create an AMI, launch a new instance with tenancy=dedicated, and terminate the old instance

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A user is launching an instance with EC2. Which options below should the user consider before launching an instance?

• A.Select the region where the instance is being launched.
• B.All choices are correct.
• C.Select the instance type.
• D.Select the OS of the AMI.

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Two companies will be working on several development projects together. Each company has an AWS
account with a single VPC in us-east-1. Two companies would like to access one another's development
servers. The IPv4 CIDR blocks in the two VPCs does not overlap.
What can the SysOps Administrators for each company do to set up network routing?

• A.Each Administrator should create a custom routing table that points to the other company's internet
  gateway public IP address.
• B.Both Administrators should set up a NAT gateway in a public subnet in their respective VPCs. Then. using
  the public IP address from the NAT gateway, the Administrators should enable routing between the two
  VPCs.
• C.Both Administrators should install a 1 Gbps AWS Direct Connect circuit in their respective environments.
  Then, using the AWS Management Console, the Administrators should create an AWS Direct Connect
  routing requests to enable connectivity.
• D.One Administrator should create a VPC peering request and send it to the other Administrator's account.
  Once the other Administrator accepts the request, update the routing tables t enable traffic.

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