May 2019
Intermediate to advanced
308 pages
8h 5m
English
Content preview from AWS Certified Advanced Networking - Specialty Exam Guide
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VPC networks
When creating a VPC, we always specify a network range for the VPC. This range is limited to sizes between /28 and /16 according to the Classless Inter-Domain Routing (CIDR) definition of network addressing. Each VPC network can then be further subdivided into subnets. Addressing in VPC defaults to IPv4, but IPv6 and dual stacks can be run in a VPC if required. When running IPv6 or dual stacks, we need to be aware of the implications of the protocol and its effects on how traffic will pass through to the internet and back.
When creating a network, we need to be aware of the approximate number of addresses we will be consuming in each VPC and each subnet. This is important as the provisioning process in VPC is irreversible – ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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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.