Follow The Wire

3. Using someone else's datacenter and resources over the internet
4. Stores and shares data for multiple computers in a network that can be accessed remotely; File Level Data
6. Copy of the data that can be recovered at any point in time
8. Switches at the top of a rack that aggregate from the LAN to servers and devices and connects servers to rest of the network
11. Directs traffic in and out of the WAN/connects multiple networks to the WAN; "Post Office"
13. Connects the servers to the shared pools of storage devices; dedicated to moving storage traffic

1. Shared pools of storage that can be centrally managed and be accessed by multiple servers/computers; Block Level Data
2. Connects/transmits data from end users from the LAN to core switches (phones, laptops, access points)
5. Aggregate/consolidates servers and SAN storage; eliminates need for SAN switches
7. Central junction high capacity switch that is fast and directly aggregates the LAN and provides access to the WAN; "Backbone/Brain"
9. 24/7 running computers that hosts or servers applications that end users use (SQL, AD, Exchange, etc.)
10. First line of defense; prevents unauthorized access to and from the network; "Bouncer"
12. Provides access and are the gateway to using the internet