User datagram protocol (UDP) is used to organisize on top of the Internet Protocol (IP) to tranfer datagrams over a network. UDP does not need the source and destination to keep a three-way handshake before transmission arrived. Simple Network Management Protocol (SNMP) means an application-layer protocol for analyzing and managing network tools on a local area network (LAN) or wide area network (WAN). The application layer means an abstraction layer that specifies the shared protocols and interface steps used by hosts in a communication network. Application Layer make us to identify communication partners easily, and synchronizing communication. This layer permitted users to interact with other software applications.
Learn more about The application-layer at https://brainly.com/question/22883762
#SPJ4