May 2019
Intermediate to advanced
308 pages
8h 5m
English
Content preview from AWS Certified Advanced Networking - Specialty Exam Guide
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ENI
The ENI is a virtual network adapter that allows us to connect operating systems, containers, and other components to a VPC. When an EC2 instance is created, a special kind of ENI is created and permanently attached to it. This ENI is also called the primary network interface, and will be shown as eth0 in Linux instances or Local Area Connection in Windows instances. The primary network interface has all the characteristics of an ENI, except it cannot be detached from the instance it was created with.
We also have the ability to create an ENI independently of an EC2 instance and arbitrarily assign its characteristics. When created separately, the ENI is created with a persistent MAC address. Once attached to an instance, this adapter ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.