What is one reason for subnetting an IP network?

IT Exam Items RepositoryCategory: Networking BasicsWhat is one reason for subnetting an IP network?

What is one reason for subnetting an IP network?

  • to reduce the scope of broadcast flooding
  • to increase the number of available host addresses on the network
  • to remove the need for network services that rely on broadcasts, such as DHCP
  • to ensure that all devices can communicate with each other without requiring a router

Explanation: In flat networks where all hosts are on the same network, broadcast packets can quickly degrade the quality of the network performance. With the creation of smaller subnets, the broadcast traffic is isolated from other areas on the network. Devices on one subnet need to send traffic to a router to reach a host on a different subnet, and routers do not typically forward broadcast traffic.

Related exam: Networking Basics - 9.4.3 IPv4 Addressing Quiz