What are the three parts of the Cisco Hierarchical Network Model?
- Aggregation
- Access
- Transport
- Distribution
- Core
The correct answer is 2, 4, and 5.
Cisco for years has been suggesting a design principle of a three layered hierarchy for scalability and policy implementation. The official layer naming from Cisco is access (what is connected to the end users, with policy for traffic for the users); distribution (used to aggregate the access devices and route the traffic to the core, with policy as to what can be routed to the core); core (that is used to interconnect the distribution devices on larger campuses).
Related Courses:
SPNGN1 — Building Cisco Service Provider Next-Generation Networks, Part 1
SPNGN2 — Building Cisco Service Provider Next-Generation Networks, Part 2
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