Everything I need to know about OSI

[next-Jin]

I seen a few websites from a google search but nothing that is indepth on each layer.

 

[zacdl]

How deep do you got to go?
What protocols are included or just a description?

 

[next-Jin]

let me give you some examples of these questions. These are sample tests, we test out Friday and I'm looking for a good source for information that could cover these. I'm new to this so

Who developed the TCP/IP reference model?

Which OSI model layer are network interface cards (NICs) found on?

What is the name of layer 3 of the OSI reference model?

On which layer of the OSI model do bridges work?

Here is another few not on OSI

When do you use hubs on a network?

Choose more than one option.

When you want to create a central point of connection for wiring media
When you want to improve network reliability
When you want to create a network where the failure of one cable does not disrupt the network
When you want to distribute connection points for wiring media to contain failures
When you want to create a new collision domain

What caused the development of WANs?

Choose more than one option.

The advent of the Internet
The need to exchange information in global organizations
A desire to eliminate the duplication of equipment and services
A desire to centralize the management of resources in businesses

Why are hosts not considered part of any OSI layer?

Choose more than one option.

They operate on all seven OSI layers
They can exist independently of a network
They perform the entire process of encapsulation and decapsulation
OSI layers are performed inside them

Which device functions on layer 3 of the OSI model?

Choose an option.

Bridge
Switch
Router
Repeater

 

[next-Jin]

The problem is this is CBT training, there is no instructor teaching the class. We will only see him on friday. The CBT is not teaching me anything.

 

[zacdl]

That Wikipedia entry should have most of that information there.

 

[gr0m45]

Chapter 1 or 2 of any popular CCNA study guide will give you all of that info, and have it explained in more understandable terms than most stuff you'd find on the web.