Network types, topologies, architectures and device roles

3 quick checks≈4% of the testFoundational

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Differentiate network types and scopes, including PAN, LAN, WLAN, CAN, MAN, WAN, SAN, VPN and client-to-site or site-to-site connectivity concepts.
Compare physical and logical topologies such as star, mesh, ring, bus, point-to-point, hub-and-spoke and spine-and-leaf in terms of resilience, cost and traffic flow.

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Identify the functions and placement of common network devices, including switches, routers, wireless access points, modems, firewalls, load balancers and controllers.

Differentiate network segments and roles such as access, distribution and core, and relate these to common enterprise traffic paths.

Evaluate a simple network design requirement and select the appropriate topology, architecture and device roles to meet performance, scalability or availability needs.

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