A dotted-decimal net mask, also known as a subnet mask, can be used to identify the prefix (or network part) of an IPv4 address. However, it is expressed as an integer between 1 and 128 as opposed to four octets as it is in IPv4.
For instance, 255.255.255.0 denotes that the IPv4 address's leftmost 24 bits make up the network part, or prefix length. The 255.255
Therefore, An IPv6 address prefix, like an IPv4 subnet address and net mask combination, is a combination of an IPv6 prefix address and a prefix length used to indicate a block of address space (or a network). The format of an IPv6 address prefix is ipv6-prefix/prefix-length.
Learn more about ipv6 address here:
https://brainly.com/question/4594442
#SPJ1
