The IPv4 Subnet Mask Cheat Sheet is a reference tool that helps to determine the subnet mask based on the number of network bits and host bits in an IP address. It allows users to quickly identify the range of IP addresses that belong to a specific network.
Q: What is an IPv4 subnet mask?
A: An IPv4 subnet mask is a numeric value used to divide an IP address into network and host portions.
Q: What is a subnet?
A: A subnet is a portion of a network that shares a common part of the IP address.
Q: Why do we use subnet masks?
A: We use subnet masks to determine which part of an IP address belongs to the network and which part belongs to the host.
Q: What is a subnet mask cheat sheet?
A: A subnet mask cheat sheet is a quick reference guide that lists the possible subnet masks and their corresponding number of hosts and network addresses.
Q: Why is a subnet mask cheat sheet useful?
A: A subnet mask cheat sheet is useful for network administrators and IT professionals to quickly determine the range of IP addresses available in a given subnet mask.