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Zorluk: OrtaNetwork Topologies and Types

A network administrator is designing a WAN architecture to connect 12 remote branch offices directly back to a central headquarters location. The business requirements mandate centralized security inspection at headquarters, minimal WAN link provisioning costs, and simple routing administration. Direct inter-branch communication is not required. Which topology best satisfies these requirements?

  1. Hub-and-spoke topologyCevap
  2. B
    Full mesh topology
  3. C
    Physical bus topology
  4. D
    Ring topology

Cevap

Hub-and-spoke topology is the optimal topology because it connects each remote site back to a central site, minimizing line costs and centralizing policy control.
The hub-and-spoke topology connects every remote site directly to a central hub (headquarters). Because branch offices only need to communicate with headquarters and not directly with each other, this minimizes WAN link costs (requiring only one link per site) and centralizes administration and security inspection.

Adım Adım Çözüm

1
Analyze requirement 1: Centralized traffic control and routing at headquarters.
Requires a centralized point through which all branch traffic flows.
Security monitoring and inspection policies must be enforced at a single hub.
2
Analyze requirement 2: Minimal connection costs without direct inter-branch traffic needs.
Eliminates the need for n(n−1)/2n(n-1)/2 full mesh or partial mesh links between branch offices.
Only nn point-to-point links (where nn is the number of branch offices) are needed to connect each branch to the central hub.
3
Match topology characteristics to requirements.
Hub-and-spoke provides centralized routing with minimum required WAN connections.
It fulfills all scenario constraints (cost, central management, scale) efficiently.

Anahtar Kavram

Hub-and-Spoke WAN Topology
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Konular

Network Topologies and Types

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