A Company Has an Application Running on Amazon EC2 Instances

question 155

Multiple Choice

A company has an application running on Amazon EC2 instances in a private subnet that connects to a third-party service provider's public HTTP endpoint through a NAT gateway. As request rates increase, new connections are starting to fail. At the same time, the ErrorPortAllocation Amazon CloudWatch metric count for the NAT gateway is increasing. Which of the following actions should improve the connectivity issues? (Choose two.)

• A) Allocate additional elastic IP addresses to the NAT gateway.
• B) Request that the third-party service provider implement HTTP keepalive.
• C) Implement TCP keepalive on the client instances.
• D) Create additional NAT gateways and update the private subnet route table to introduce the new NAT gateways.
• E) Create additional NAT gateways in the public subnet and split client instances into multiple private subnets, each with a route to a different NAT gateway.

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Definitions:

Optimize Performance

The process of making something as effective or functional as possible, often through careful adjustments or improvements.

Consumer Surplus

The difference between the total amount that consumers are willing and able to pay for a good or service and the total amount that they actually pay.

Product Value

The worth of a product perceived by the customer, often influenced by quality, functionality, and brand reputation.

Manufacturing Cycle

The complete process from the procurement of raw materials to the production of finished goods ready for sale.