N10-009 - Networking Concepts - Section 1.2

Compare and contrast networking appliances, applications, and functions, and explain common ports, protocols, services, and traffic types.

Compare the role of routers, switches, firewalls, load balancers, IDS/IPS, proxies, and wireless access points, and distinguish hardware appliances from their virtual and software equivalents. Recall the well-known ports and transport protocols for core services - SSH 22, DNS 53, HTTP 80, HTTPS 443, RDP 3389 - and match each protocol to its use case and TCP-versus-UDP behaviour.

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