Fundamentals of networking ( Task 3)

Fundamentals of networking ( Task 3)

Week 3 – OSI Model

1. What does ISO stands for ?

2. What does OSI stands for?

3. List all of the OSI layers and name the devices and protocols that operates on each of them?

4. What does DNS do and what layer does it operates?

5. What does ARP stands for?

6. In which of the layers the three Han-shake happens?

Solution Preview

OSI
Q1
ISO stands for international Standards Organization, a model that defines networking models.
Q2
OSI stands for Open Systems Interconnection that is a model of the seven network layers.
Q3
The OSI model is made up of seven networking layers. The layers include the physical layer which is responsible for transmitting signals between the mediums of communication.

(215 words)