Layers

Layers...

• Simplify complex processes

• Add complexity to processes

Using layers we can...

• Break complex problems down into smaller chunks

• Deal with a complex problem as a whole

Layers make it...

• More difficult to identify and correct networking problems

• Easier to identify and correct networking problems

Each layer __________ care what the other layers do.

• does

• does not

Data can only be passed between adjacent layers (layers that are next to each other).

• True

• False

​ ​ (a)   layers rely on the functions of the ​ ​ (b)   layers to perform their tasks.​

• LOWER
• HIGHER

It is possible to make changes / improvements to one layer without affecting the others.

• True

• False

Each layer focuses on _____ aspect(s) of network communication.

• TWO

• THREE

• FOUR

• ONE

A protocol is a set of_______ on how to send data.

• Instructions

• Rules

To send a file from my laptop to a web server, I would use...

• SMTP

• FTP

• POP