Category Archives: 1.0 Network Fundamentals

As with the IPv4 – this is too broad for a single post. I may consider doing a GNS3 style environment to address this topic.

WIP

The internet was originally intended for communication between Universities and Government agencies. After the commercialization of the Internet IPv4 addresses started to run out. To address this shortage three technologies were invented: Private network addresses Network Address Translation (NAT) IPv6 The first two technologies actually go against the original intention of the Internet which was …

Continue reading “1.11 Describe the need for private IPv4 addressing”

1.10.a Unicast A unicast address is an address that represents a single unique node on a network. A message sent to a unicast address will only be received by the node that has that address. Unicast addresses fall into the following categories (first octet): Class A: 1 – 126 Reserved: 127 Class B: 128 – …

Continue reading “1.10 Compare and contrast IPv4 address types”

I am not going to write a post on this as it is too large of a topic for a single post and better materials will exist elsewhere. Building real networks and practicing subnetting is the only thing which will help to learn this subject.