Network Architectures

Question 1

Two-Tiered Architecture - Collapsed Core

Answer 1

A “collapsed core” is when the distribution layer and core layer functions are implemented by a single device. The primary motivation for the collapsed core design is reducing network cost, while maintaining most of the benefits of the three-tier hierarchical model.

Tier 2 = Core & distribution
Tier 1 = Access

Question 2

Three Tiered Architecture

Answer 2

Used CAN(Campus Area Networks)
1 building hoses Core switches that other buildings connect to
3: Core
2. Distribution
1: Access

Question 3

Spine-Leaf

Answer 3

Full mesh 2-tier architecture used it data centers for optimal speeds & redundancy

Question 4

_____ are private connections between businesses where one connection connects to one other site.

Answer 4

Leased Line

Question 5

WAN Architecture example

Answer 5

MPLS Multi-Protocol Label Switching

Question 6

What is used to connect MAN’s together?

Answer 6

MetroE