Final answer:
Subnet masking allows us to create multiple subnets within an IP network, enhancing network management, security, and performance by controlling access and routing of traffic.
Step-by-step explanation:
Subnet masking is a feature in IP networking that allows for the division of an IP address space into multiple network segments or subnets. This is done for purposes such as improving network security, enhancing performance due to reduced broadcast traffic, and better organizational structure. A subnet mask is a number that resembles an IP address and is used to specify which portion of an IP address refers to the network and which part refers to the host within that network. By applying a subnet mask, networks can be efficiently organized and managed, allowing for separate sub-networks within a larger network that facilitate controlled access to resources and traffic routing.
Benefits of Subnet Masking
Improved network management with the capability to create a hierarchy and assign IP ranges to different departments or areas within an organization.
Enhanced security by isolating segments of the network, making it harder for unauthorized access to spread across the entire network.
Reduction in network congestion and improved performance by localizing traffic within subnets, thereby minimizing unnecessary traffic across the entire network.