Which of the following statements is true regarding attaching network interfaces to your instances in your VPC?

Having just set up your first Amazon Virtual Private Cloud (Amazon VPC) network, which defined a default network interface, you decide that you need to create and attach an additional network interface, known as an elastic network interface (ENI) to one of your instances.

Which of the following statements is true regarding attaching network interfaces to your instances in your VPC?
A . You can attach 5 ENIs per instance type.
B . You can attach as many ENIs as you want.
C . The number of ENIs you can attach varies by instance type.
D . You can attach 100 ENIs total regardless of instance type.

Answer: C

Explanation:

Each instance in your VPC has a default network interface that is assigned a private IP address from the IP address range of your VPC. You can create and attach an additional network interface, known as an elastic network interface (ENI), to any instance in your VPC. The number of ENIs you can attach varies by instance type.