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Question 9 : Each EC2 instance has a default network interface that is assigned a primary private IP address on your Amazon VPC network. What is the name given to the additional network interfaces that can be created and attached to any Amazon EC2 instanc

Question 9 : Each EC2 instance has a default network interface that is assigned a primary private IP address on your Amazon VPC network. What is the name given to the additional network interfaces that can be created and attached to any Amazon EC2 instance in your VPC?

1.     Elastic IP

2.      Elastic Network Interface (ENI)

3.     AWS Elastic Interface

4.    AWS Network ACL

Ans : 2

Exp : An elastic network interface (ENI) is a virtual network interface that you can attach to an instance in a VPC. An ENI can include the following attributes: a primary private IP address

one or more secondary private IP addresses

one Elastic IP address per private IP address

one public IP address, which can be auto-assigned to the network interface for eth0 when you launch an instance, but only when you create a network interface for eth0 instead of using an existing network interface

one or more security groups

a MAC address

a source/destination check flag

a description

You can create a network interface, attach it to an instance, detach it from an instance, and attach it to another instance. 

The attributes of a network interface follow the network interface as it is attached or detached from an instance and reattached to another instance. 

When you move a network interface from one instance to another, network traffic is redirected to the new instance.

Each instance in a VPC has a default network interface. The default network interface has a primary private IP address in the

IP address range of its VPC. You can create and attach additional network interfaces. The maximum number of

network interfaces that you can use varies by instance type. 

 

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