What is DHCP Protocol and How does it Work

DHCP, Dynamic Host Control Protocol, is a Protocol that operates at Application layer and Automatically assigns IP Addresses to requesting Hosts. DHCP eliminates the manual task by a network Administrator. It also provides a central database of devices that are connected to the network and eliminate duplicate resource assingments. DHCP uses UDP (User Datagram Protocol) to send its request messages to the DHCP Server on Port number 67.

Difference between Utility Software and Application Software

Utility software is system software designed to help analyze, configure, optimize or maintain a computer. A single piece of utility software is usually called a utility or tool.
Utility software usually focuses on how the computer infrastructure (including the computer hardware, operating system, application software and data storage) operates.

Examples of Utility Softwares are;