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Summary Topic 3.1 - Coggle Diagram
Summary Topic 3.1
IPv4 Addresses
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To convert a binary IPv4 address to decimal enter the 8-bit binary number of each octet under the positional value of row 1 and then calculate to produce the decimal.
To convert a decimal IPv4address to binary use the positional chart and check first if the number is greater than the 128 bit. If no a 0 is placed in this position. If yes then a 1 is placed in this position.
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Subnet Mask
A subnet mask is a number that defines a range of IP addresses available within a network. A single subnet mask limits the number of valid IPs for a specific network.
The IPv4 address is compared to the subnet mask bit by bit, from left to right
Prefix Length
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Written in slash notation, / followed by the number of network bits.