Exploring Network Protocols and Services

Connecting computers, servers, and Internet of Things (IoT) devices on a network is a simple process, such as enabling the wireless connectivity features on the host device and selecting a wireless network within the vicinity. Sometimes, it’s as easy as connecting a network cable between the end devices such as a computer to the networking device to access the resources on a network. Once a connection is made, everything seems to just work seamlessly, and we can send and receive email messages and browse the internet. However, there are many application and network layer protocols (NLPs) that all work together to help client devices, servers, networking devices, security appliances, smart devices, and even IoT devices communicate with each other on a network.

As an aspiring network professional within the industry, it’s important to build a solid understanding of the key features and characteristics of common network protocols...