A Solutions Architect Needs to Design a Network That Will

question 139

Multiple Choice

A solutions architect needs to design a network that will allow multiple Amazon EC2 instances to access a common data source used for mission-critical data that can be accessed by all the EC2 instances simultaneously. The solution must be highly scalable, easy to implement and support the NFS protocol. Which solution meets these requirements?

• A) Create an Amazon EFS file system. Configure a mount target in each Availability Zone. Attach each instance to the appropriate mount target.
• B) Create an additional EC2 instance and configure it as a file server. Create a security group that allows communication between the Instances and apply that to the additional instance.
• C) Create an Amazon S3 bucket with the appropriate permissions. Create a role in AWS IAM that grants the correct permissions to the S3 bucket. Attach the role to the EC2 Instances that need access to the data.
• D) Create an Amazon EBS volume with the appropriate permissions. Create a role in AWS IAM that grants the correct permissions to the EBS volume. Attach the role to the EC2 instances that need access to the data.

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Definitions:

Eyewitness Images

Visual memories of events observed by individuals, which can be significant in legal contexts but are subject to distortion and inaccuracies.

Flashbulb Memories

Vivid, detailed memories of significant or emotional events that feel as if they were recorded with a camera's flash; these memories often include where one was and what one was doing at the time of the event.

Eidetic Images

Vivid and detailed mental images that can be recalled with high accuracy, often referred to as photographic memory.

Elaborative Rehearsals

A memory technique that involves thinking about the meaning of the information to be remembered or relating the information to other knowledge, thus enhancing recall.