Cisco Three Tier Network Design Model

Question 1

Core Layer

Answer 1

• Typically provides the fastest switching path in the network.
• Considered the network backbone

Question 2

Distribution Layer

Answer 2

• Sometimes referred to as the aggregation layer.
• Provides route filtering and inter VLAN routing
• This is the place for security policies and to perform packet manipulation.

Question 3

Access Layer

Answer 3

• Servs as a media termination point for servers and Endpoints
• Ideal place to perform user authentication and port security.
• Consists of OSI Layer 2 switches.