0-OSI_model

What is the OSI model?

1. Set of specifications that network hardware manufacturers must respect
2. The OSI model is a conceptual model that characterizes the communication functions of a telecommunication system without regard to their underlying internal structure and technology
3. The OSI model is a model that characterizes the communication functions of a telecommunication system with a strong regard for their underlying internal structure and technology How is the OSI model organized?

Alphabetically 2. From the lowest to the highest level 3. Randomly

1-types_of_network

LAN connect local devices together, WAN connects LANs together, and WANs are operating over the Internet.

Questions:

What type of network a computer in local is connected to?

1. Internet

2. WAN

3. LAN What type of network could connect an office in one building to another office in a building a few streets away?

4. Internet

5. WAN

6. LAN What network do you use when you browse www.google.com from your smartphone (not connected to the Wifi)?

7. Internet

8. WAN

9. LAN