1.1 Protocols and ports, 1.2 Explain devices, applications, protocols and services at their appropriate OSI layers., 1.3 Explain the concepts and characteristics of routing and switching....
1.1 Explain concepts related to the Open Systems Interconnection (OSI) reference model., 1.2 Compare and contrast networking appliances, applications, and functions., 1.3 Summarize cloud concepts and connectivity options....