Point-to-Point Answer: Typically dedicated T1/E1 lines involving a Layer 2 transport service through service provider network. (Acts as if direct physical link)
Hub-and-Spoke Answer: Private connection between multiple sites. A single hub interface is shared by all spoke circuits...
Question and Solution Paper CCNA 4 - Ch.1
WAN Concepts 2024/2025
Point-to-Point Answer: Typically dedicated T1/E1 lines involving a Layer 2 transport service through
service provider network. (Acts as if direct physical link)
Hub-and-Spoke Answer: Private connection between multiple sites. A single hub interface is shared
by all spoke circuits. (single-homed topology)
Full Mesh Answer: Any site can communicate directly with any other site but at cost of needing
many virtual circuits.
Dual-homed Topology Answer: Two hub routers are dual-homed and redundantly attached to spoke
routers. (Double hub-and-spoke)
Small Office Answer: One location, One LAN
Campus Network Answer: One location, multiple LANs
Branch Networks Answer: Remote sites with multiple LANs each
Distributed Network Answer: Globally distributed network with complex WAN configuration
Customer Premises Equipment (CPE) Answer: Devices and wiring on enterprise side owned or
leased by subscriber
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