An organization is running multiple applications for their customers. Each application is deployed by running a base AWS CloudFormation template that configures a new VPC. All applications are run in the same AWS account and AWS Region. A SysOps administrator has noticed that when trying to deploy the same AWS CloudFormation stack, it fails to deploy.
What is likely to be the problem?

• A.The account has reached the default limit for VPCs allowed.
• B.The AWS CloudFormation template needs to be updated to the latest version.
• C.The Amazon Machine image used is not available in that region.
• D.The VPC configuration parameters have changed and must be updated in the template.

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A company needs to restrict access to an Amazon S3 bucket to Amazon EC2 instances in a VPC only. All traffic must be over the AWS private network.
What actions should the SysOps administrator take to meet these requirements?

• A.Create a VPC endpoint for the S3 bucket, and create an S3 bucket policy that conditionally limits all S3 actions on the bucket to the VPC endpoint as the source.
• B.Create a service-linked role for Amazon EC2 that allows the EC2 instances to interact directly with Amazon S3, and attach an IAM policy to the role that allows the EC2 instances full access to the S3 bucket.
• C.Create a VPC endpoint for the S3 bucket, and create an IAM policy that conditionally limits all S3 actions on the bucket to the VPC endpoint as the source.
• D.Create a NAT gateway in the VPC, and modify the VPC route table to route all traffic destined for Amazon S3 through the NAT gateway.

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While setting up an AWS managed VPN connection, a SysOps administrator creates a customer gateway resource in AWS. The customer gateway device resides in a data center with a NAT gateway in front of it.
What address should be used to create the customer gateway resource?

• A.The public IP address of the customer gateway device
• B.The MAC address of the NAT device in front of the customer gateway device
• C.The private IP address of the customer gateway device
• D.The public IP address of the NAT device in front of the customer gateway device

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A company uses AWS Organizations to manage multiple AWS accounts with consolidated billing enabled. Organization member account owners want the benefits of Reserved Instances (RIs) but do not want to share RIs with other accounts.
Which solution will meet these requirements?

• A.Purchase RIs in individual member accounts. Disable Rl discount sharing in the management account.
• B.Purchase RIs in individual member accounts. Disable Rl discount sharing in the member accounts.
• C.Purchase RIs in the management account. Disable Rl discount sharing in the management account.
• D.Purchase RIs in the management account. Disable Rl discount sharing in the member accounts.

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A company has an Amazon RDS DB instance. The company wants to implement a caching service while maintaining high availability.
Which combination of actions will meet these requirements? (Choose two.)

• A.Create an Amazon ElastiCache for Memcached data store.
• B.Add Auto Discovery to the data store.
• C.Enable Multi-AZ for the data store.
• D.Create an Amazon ElastiCache for Redis data store.
• E.Enable Multi-threading for the data store.

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