A Company Has Applications Running on Amazon EC2 Instances in a Private

question 36

Multiple Choice

A company has applications running on Amazon EC2 instances in a private subnet with no internet connectivity. The company deployed a new application that uses Amazon DynamoDB, but the application cannot connect to the DynamoDB tables. A developer already checked that all permissions are set correctly. What should a database specialist do to resolve this issue while minimizing access to external resources?

• A) Add a route to an internet gateway in the subnet's route table.
• B) Add a route to a NAT gateway in the subnet's route table.
• C) Assign a new security group to the EC2 instances with an outbound rule to ports 80 and 443.
• D) Create a VPC endpoint for DynamoDB and add a route to the endpoint in the subnet's route table.

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Definitions:

Retail Inventory Method

An accounting method used by retailers to estimate their inventory's ending value by using a cost to retail price ratio.

Cost Flow Assumptions

An accounting method that determines the cost of goods sold and ending inventory based on the presumed flow of inventory costs.

Cost-to-Retail Ratio

A method used in retail to calculate the cost of goods sold based on the ratio of the cost of goods available for sale to the retail price of the goods.

Retail Inventory Method

An accounting method used by retailers to estimate inventory levels by incorporating the cost to retail price ratio.