1.0 Network Fundamentals

WAN Architectures Practice Questions

Leased lines, MPLS L3VPN, broadband, cellular backup, SD-WAN, and WAN topologies.

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Which WAN option is normally purchased as a dedicated point-to-point service with committed bandwidth, subject to the provider contract and SLA?

Leased line

A leased line is normally a dedicated provider service between endpoints with contracted capacity and service targets. Broadband and an internet VPN generally use shared, best-effort infrastructure, although exact guarantees always come from the service contract.

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